| P0657 |
- |
Transaxle Solenoid Power Control |
Transaxle solenoid power control electrical circuit failure |
Transaxle solenoid power control provides power to all the solenoids. This DTC sets if the transaxle solenoid power control circuit is open. |
- No voltage to solenoids.
- Defaults to 5th gear.
- Only REVERSE and NEUTRAL available.
- Will turn on Malfunction Indicator Lamp (MIL).
|
GO to PINPOINT TEST E |
| P0705 |
P0705, P1702 |
Transmission Range (TR) |
TR
sensor circuit failure |
PCM is received an invalid combination of the 4-bit signal from the TR
sensor. |
- Possible no crank.
- Only PARK, REVERSE, NEUTRAL and 5th gear available.
- Harsh engagements.
- Extremely delayed engagements (until a DTC is set).
- After a DTC is set and the high side opened.
- Harsh engagements.
- Poor performance (due to a 5th gear drive away).
- No shifts.
- Will turn on MIL
.
|
GO to PINPOINT TEST D |
| P0706 |
P0706, P0709 |
TR
Sensor |
TR
sensor range failure |
TR
sensor A circuit range/performance. TR
sensor stuck in transition zone (possible wiring, connector or TR
sensor issue). |
- Possible no crank.
- Only PARK, REVERSE, NEUTRAL and 5th gear available.
- Harsh engagements.
- Extremely delayed engagements (until a DTC is set).
- After a DTC is set and the high side opened.
- Harsh engagements.
- Poor performance (due to a 5th gear drive away).
- No shifts.
- Will turn on MIL
.
|
GO to PINPOINT TEST D |
| P0708 |
P0708, P1702 |
TR
Sensor |
TR
sensor circuit failure |
PCM is received all 4 TR
sensor bits open (potential sensor disconnected, wiring, connector or TR
sensor issue). |
- Possible no crank.
- Only PARK, REVERSE, NEUTRAL and 5th gear available.
- Harsh engagements.
- Extremely delayed engagements (until a DTC is set).
- After a DTC is set and the high side opened.
- Harsh engagements.
- Poor performance (due to a 5th gear drive away).
- No shifts.
- Will turn on MIL
.
|
GO to PINPOINT TEST D |
| P0709 |
P0709 or P0706, P0709 |
TR
Sensor |
TR
sensor range failure |
TR
sensor A circuit range/performance. TR
sensor stuck in transition zone (possible wiring, connector or TR
sensor issue). |
- Possible no crank.
- Only PARK, REVERSE, NEUTRAL and 5th gear available.
- Harsh engagements.
- Extremely delayed engagements (until a DTC is set).
- After a DTC is set and the high side opened.
- Harsh engagements.
- Poor performance (due to a 5th gear drive away).
- No shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST D |
| P0710 |
- |
Transmission Fluid Temperature (TFT) |
TFT
sensor circuit voltage input too low or too high |
- TFT
sensor input indicates a short to ground or an open circuit (could be a wiring, connector or sensor issue).
- Also see P0712 and P0713
.
|
- Torque Converter Clutch (TCC) and stabilized shift schedule may be enabled sooner after cold start.
- Harsh or soft shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST B |
| P0710 |
P0710, P0712 |
TFT |
TFT
sensor circuit voltage input too low |
TFT
sensor input indicates a short to ground or an open circuit (could be a wiring, connector or sensor issue). |
- TCC
and stabilized shift schedule may be enabled sooner after cold start.
- Harsh or soft shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST B |
| P0710 |
P0710, P0713 |
TFT |
TFT
sensor circuit voltage too high |
TFT
sensor input indicates a short to ground or an open circuit (could be a wiring, connector or sensor issue). |
- TCC
and stabilized shift schedule may be enabled sooner after cold start.
- Harsh or soft shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST B |
| P0711 |
- |
TFT |
No change in TFT
sensor input |
PCM has detected no TFT
change at low-range or high-range during operation. |
- TCC
and stabilized shift schedule may be enabled sooner after a cold start.
- Harsh or soft shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST B |
| P0712 |
P0710, P0712 |
TFT |
TFT
sensor circuit voltage input too low |
TFT
sensor input indicates a short to ground or an open circuit (could be a wiring, connector or sensor issue). |
- TCC
and stabilized shift schedule may be enabled sooner after cold start.
- Harsh or soft shifts.
- Will turn on MIL
.
|
GO to PINPOINT TEST B |
| P0713 |
P0710, P0713 |
TFT |
TFT
sensor circuit voltage too high |
TFT
sensor input indicates a short to ground or an open circuit (could be a wiring, connector or sensor issue). |
- TCC
and stabilized shift schedule may be enabled sooner after cold start.
- Harsh or soft shifts.
- Will turn on MIL
.
|
GO to PINPOINT TEST B |
| P0715 |
P0715, P0717 |
Turbine Shaft Speed (TSS) Sensor |
Insufficient input from TSS
sensor |
- PCM has detected TSS
sensor signal failed to 0 speed when vehicle conditions (mainly output speed) indicate TSS
sensor output should be present.
- Electrical failures (open, short) of the TSS
sensor wiring, connector or a failure of the sensor itself will cause this failure.
|
- Failure Mode Effects Management action opens transaxle solenoid power control (removes power from all solenoids).
- Provides PARK, REVERSE, NEUTRAL and 5th gear with maximum line pressure and open TCC
available (controlled by the manual lever).
- Harsh engagements (due to maximum line pressure).
- Poor launch performance (due to 5th gear drive away).
- Will turn on MIL
.
|
GO to PINPOINT TEST C |
| P0717 |
P0717 or P0715, P0717 |
TSS |
Insufficient input from TSS
sensor |
- PCM has detected TSS
sensor signal failed to 0 speed when vehicle conditions (mainly output speed) indicate TSS
sensor output should be present.
- Electrical failures (open, short) of the TSS
sensor wiring, connector or a failure of the TSS
sensor itself will cause this failure.
|
- Failure Mode Effects Management action opens transaxle solenoid power control (removes power from all solenoids).
- Provides PARK, REVERSE, NEUTRAL and 5th gear with maximum line pressure and open TCC
available (controlled by the manual lever).
- Harsh engagements (due to maximum line pressure).
- Poor launch performance (due to 5th gear drive away).
- Will turn on wrench lamp.
|
GO to PINPOINT TEST C
. |
| P0718 |
- |
TSS |
TSS
signal intermittent |
PCM has detected an erratic or no TSS
signal. |
Will turn on wrench lamp. |
GO to PINPOINT TEST C
. |
| P072C |
- |
Low/Reverse Clutch and One-Way Clutch (OWC) Faults (covers just the clutches) |
Low/reverse clutch or OWC
failed on |
- Low/reverse clutch or OWC
failed on (transmits torque both directions).
- 1st gear is the only available gear with this failure.
|
Customer might notice:
- Decelerations on attempted upshifts (since tie-ups occur).
- Stuck in 1st gear.
- High engine RPM.
- Low maximum vehicle speed.
- No TCC
apply.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P072E |
P072E, P073A or P072E, P073A, P0757 |
Direct Clutch System Faults |
Shift Solenoid B (SSB) failed on |
The codes:
- P072E Stuck in 3rd gear.
- P073A Stuck in 5th gear.
These codes set together mean SSB
is failed on, causing the direct clutch to be stuck on, 3rd and 5th gear are the only available gears. Since the hydraulic controls prevent direct clutch and low/reverse clutch on together in the forward ranges, the solenoid can be isolated from the clutch. These codes set if:
- Non-electrical failures where SSB
(direct clutch Variable Force Solenoid (VFS)) is stuck on (pressure).
- Direct clutch regulator valve stuck in spring compress position.
|
- Customer may notice a vehicle deceleration on a shift into 2nd, 4th or 6th gears (direct clutch failing to release will cause a tie-up in these gears).
- Customer might notice a harsh 1-3 shift.
- Customer might notice erratic shifting while the test is confirming direct clutch is failed on.
- After a code is stored, all gears but 3rd and 5th gear are disabled.
- Since only 3rd and 5th gears are allowed, the customer might notice poor launch performance, lack of shifts and harsh engagements.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P072F |
P072F, P073A, P073B or P072F, P073A, P073B, P0767 |
Overdrive (O/D) Clutch System Faults (includes non-electrical SSD
faults, main control valve body and clutch) |
O/D
clutch failed on (clutch, SSD
or main control valve body) |
The codes:
- P072F stuck in 4th gear.
- P073A stuck in 5th gear.
- P073B stuck in 6th gear.
Set together to indicate the O/D
clutch is failed on. O/D
clutch failed on, could be due to:
- Low/reverse clutch/O/D
clutch VFS
(SSD
) non-electrical failed stuck on (pressure).
- O/D
clutch stuck on due to mechanical failure.
- Low/reverse clutch, O/D
clutch regulator valve stuck in the spring compressed position.
|
- Customer may notice a vehicle deceleration on a shift into 2nd or 3rd gear (O/D
clutch failing to release will cause a tie-up in 2nd or 3rd gears).
- Customer might notice harsh engagements, erratic shifting.
- First gear with engine braking, 1st gear without engine braking, 2nd and 3rd gears are disabled.
- Poor launch due to 4th gear drive away.
- Harsh engagements.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0720 |
P0720, P0722 |
Output Shaft Speed (OSS) Sensor |
Insufficient input from OSS
sensor |
- PCM has detected OSS
sensor signal failed to 0 speed when vehicle conditions (mainly turbine speed) indicate OSS
sensor output should be present.
- Electrical failures (open, short) of the OSS
sensor wiring, connector or a failure of the OSS
sensor itself will cause this failure.
|
- Failure Mode Effects Management action opens transaxle solenoid power control (removes power from all solenoids).
- Provides PARK, REVERSE, NEUTRAL and 5th gear with maximum line pressure and open TCC
available (controlled by the manual lever).
- Harsh engagements (due to maximum line pressure).
- Poor launch performance (due to 5th drive away).
- Will turn on MIL
.
|
GO to PINPOINT TEST C
. |
| P0721 |
- |
OSS |
OSS
sensor signal noisy |
PCM has detected an erratic or no OSS
sensor signal. |
Will turn on wrench lamp. |
GO to PINPOINT TEST C
. |
| P0722 |
P0722 or P0720, P0722 |
OSS |
Insufficient input from OSS sensor |
- PCM has detected OSS
sensor signal failed to 0 speed when vehicle conditions (mainly turbine speed) indicate OSS
output should be present.
- Electrical failures (open, short) of the OSS
sensor wiring, connector or a failure of the sensor itself will cause this failure.
|
- Failure Mode Effects Management action opens transaxle solenoid power control (removes power from all solenoids).
- Provides PARK, REVERSE, NEUTRAL and 5th gear with maximum line pressure and open TCC
available (controlled by the manual lever).
- Harsh engagements (due to maximum line pressure).
- Poor launch performance (due to 5th gear drive away).
- Will turn on wrench lamp.
|
GO to PINPOINT TEST C
. |
| P0729 |
P0729, P0734, P0735 or P0729, P0734, P0735, P0766 |
O/D
Clutch System Faults (includes non-electrical Shift Solenoid D (SSD) faults, main control valve body and clutch) |
SSD
stuck off (SSD
or main control valve body) |
Sixth gear ratio error. SSD
stuck off, both low/reverse clutch and O/D
clutch failed off. This code sets for:
- Low/reverse clutch/O/D
clutch Variable Force Solenoid (VFS) non-electrical fault.
- Low/reverse clutch/O/D
clutch regulator valve stuck in default position.
- Low/reverse clutch/O/D
clutch boost valve stuck in default position.
|
- Customer may notice flares or neutral conditions on shifts into 4th, 5th or 6th gears.
- Customer might notice erratic shifting, flares, neutral conditions while the code is being set.
- First gear with engine braking.
- Fourth, 5th and 6th gears are disabled.
- Also might get delayed or no reverse engagement (need low/reverse clutch on to achieve reverse).
- Customer might notice high engine speeds (since 3rd gear is the highest available gear).
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P073A |
P072F, P073A, P073B or P072F, P073A, P073B, P0767 |
O/D
Clutch System Faults (includes non-electrical SSD
faults, main control valve body and clutch) |
O/D
clutch failed on (clutch, SSD
or main control valve body) |
O/D
clutch failed on, could be due to:
- P072F - stuck in 4th gear.
- P073A - stuck in 5th gear.
- P073B - stuck in 6th gear.
Set together to indicate the O/D
clutch is failed on. O/D
clutch failed on, could be due to:
- Low/reverse clutch, O/D
clutch, VFS
(SSD
) non-electrical failed stuck on (pressure).
- O/D
clutch stuck on due to mechanical failure.
- Low/reverse clutch, O/D
clutch regulator valve stuck in the spring compressed position.
|
- Customer may notice a vehicle deceleration on a shift into 2nd or 3rd gear (O/D
clutch failing to release will cause a tie-up in 2nd or 3rd gear).
- Customer might notice harsh engagements, erratic shifting).
- 1st gear with engine braking, 1st gear without engine braking, 2nd and 3rd gears are disabled.
- Poor launch due to 4th gear drive away.
- Harsh engagements.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P073A |
P072E, P073A or P072E, P073A, P0757 |
Direct Clutch System Faults |
SSB
failed on |
The codes:
- P072E - stuck in 3rd gear.
- P073A - stuck in 5th gear.
These codes set together mean SSB
is failed on, causing the direct clutch to be stuck on, 3rd and 5th gear are the only available gears. Since the hydraulic controls prevent direct clutch and low/reverse clutch on together in the forward ranges, the solenoid can be isolated from the clutch. These codes set if:
- non-electrical failures where SSB
(direct clutch VFS
) is stuck on (pressure).
- Direct clutch regulator valve stuck in spring compress position.
|
- Customer may notice a vehicle deceleration on a shift into 2nd, 4th or 6th gears (direct clutch failing to release will cause a tie-up in these gears).
- Customer might notice a harsh 1-3 shift.
- Customer might notice erratic shifting while the test is confirming direct clutch is failed on.
- After a code is stored, all gears but 3rd and 5th are disabled.
- Since only 3rd and 5th gears are allowed, the customer might notice poor launch performance, lack of shifts and harsh engagements.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P073B |
P072F, P073A, P073B or P072F, P073A, P073B, P0767 |
O/D
Clutch System Faults (includes non-electrical SSD
faults, valve body and clutch) |
O/D
clutch failed on (clutch, SSD
or valve body) |
O/D
clutch failed on, could be due to:
- P072F - stuck in 4th gear.
- P073A - stuck in 5th gear.
- P073B - stuck in 6th gear.
Set together to indicate O/D
clutch is failed on. O/D
clutch failed on, could be due to:
- Low/reverse clutch, O/D
clutch, VFS
(SSD
) non-electrical failed stuck on (pressure).
- O/D
clutch stuck on due to mechanical failure.
- Low/reverse clutch/O/D
clutch regulator valve stuck in the spring compressed position.
|
- Customer may notice a vehicle deceleration on a shift into 2nd or 3rd gears (O/D
clutch failing to release will cause a tie-up in 2nd or 3rd gears).
- Customer might notice harsh engagements, erratic shifting.
- 1st gear with engine braking, 1st gear without engine braking, 2nd and 3rd gears are disabled.
- Poor launch due to 4th gear drive away.
- Harsh engagements.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0733 |
P0733, P0735 or P0733, P0735, P0756 |
Direct Clutch System Faults (includes non-electrical SSB
faults, valve body and clutch) |
Direct clutch failed off |
The codes:
- P0733 - 3rd gear ratio error.
- P0735 - 5th gear ratio error.
Set together if direct clutch is detected failed off. Direct clutch failed off, could be due to:
- Non-electrical failures where SSB
(direct clutch VFS
) is stuck off (no pressure).
- Direct clutch regulator valve stuck in default position.
- Direct clutch mechanical failure.
|
- Customer may notice flares or neutral conditions on shifts into 3rd or 5th gears.
- PCM will command 3 shifts into 3rd or 5th gear and if the direct clutch is failed off the customer will notice flares or neutral conditions that last one second or so.
- Third and 5th gear are disabled, customer might notice transmission hangs in 2nd gear on acceleration until customer tips out to closed pedal (done to protect O/D
clutch).
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0734 |
P0729, P0734, P0735 or P0729, P0734, P0735, P0766 |
O/D
Clutch System Faults (includes non-electrical SSD
faults, valve body and clutch) |
SSD
stuck off (SSD
or valve body) |
The codes:
- P0734 - 4th gear ratio error.
- P0735 - 5th gear ratio error.
- P0729 - 6th gear ratio error.
Set together mean SSD
is stuck off (see P0766 for details
). |
- Customer may notice flares or neutral conditions on shifts into 4th, 5th or 6th gears.
- Customer might notice erratic shifting, flares, neutral conditions while the code is being set.
- First gear with engine braking, 4th, 5th and 6th gears are disabled.
- Customer might notice high engine speeds (since 3rd gear is highest available gear).
- Also might get delayed or no REVERSE engagement (need low/reverse clutch on to achieve reverse).
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0735 |
P0729, P0734, P0735 or P0729, P0734, P0735, P0766 |
O/D
Clutch System Faults (includes non-electrical SSD
faults, valve body and clutch) |
SSD
stuck off (SSD
or valve body) |
SSD
stuck off, both low/reverse clutch and O/D
clutch failed off. This code sets for:
- Low/reverse clutch/O/D
clutch VFS
non-electrical fault.
- Low/reverse clutch/O/D
clutch regulator valve stuck in default position.
- Low/reverse clutch/O/D
clutch boost valve stuck in default position.
Set together mean SSD
is stuck off (see P0766 for details
). |
- Customer may notice flares or neutral conditions on shifts into 4th, 5th or 6th gears.
- Customer might notice erratic shifting, flares, neutral conditions while the code is being set.
- 1st gear with engine braking, 4th, 5th and 6th gears are disabled.
- Customer might notice high engine speeds (since 3rd gear is highest available gear).
- Also might get delayed or no reverse engagement (need low/reverse clutch on to achieve reverse).
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0735 |
P0733, P0735 or P0733, P0735, P0756 |
Direct Clutch System Fault (includes non-electrical SSB
faults, valve body and clutch) |
Direct clutch failed off |
The codes:
- P0733 - 3rd gear ratio error.
- P0735 - 5th gear ratio error.
Set together if direct clutch is detected failed off. Direct clutch failed off, could be due to:
- Non-electrical failures where SSB
(direct clutch VFS
) is stuck off (no pressure).
- Direct clutch regulator valve stuck in default position.
- Direct clutch mechanical failure.
|
- Customer may notice flares or neutral conditions on shifts into 3rd or 5th gears.
- PCM will command 3 shifts into 3rd or 5th gear and if the direct clutch is failed off the customer will notice flares or neutral conditions that last approximately one second.
- Third and 5th gears are disabled.
- Customer might notice transmission hangs in 2nd gear on acceleration until customer tips out to closed pedal (done to protect the O/D
clutch).
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0740 |
P0740, P0743 |
TCC
Solenoid Electrical Faults |
TCC
circuit is open |
Open circuit in solenoid or wiring. |
- TCC
failed off - vehicle might run hotter, lose fuel economy.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0741 |
P0741, P1744 |
TCC
System Faults (includes TCC
, main control valve body and non-electrical solenoid |
TCC
failed off faults) |
TCC
is mechanically stuck off. |
P0741 and P1744 mean the same thing: a non-electrical failure that caused the TCC
to fail to apply. This code sets for:
- Non-electrical TCC
solenoid stuck off.
- TCC
mechanical failure.
- TCC
regulator apply valve stuck in TCC
release position.
- TCC
control valve stuck in TCC
release position.
- TCC
functional failure MIL
code.
- TCC
failed to apply (less than 80 RPM slip error lasting at least 3 seconds when TCC
is commanded on) 3 consecutive times.
- Will turn on MIL
.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0742 |
P0742, P0743 |
TCC
Solenoid Electrical Faults |
TCC
circuit is shorted to ground |
Short to ground in the solenoid or wiring. |
- Failure Mode Effects Management action opens the transaxle solenoid power control, removing power from all solenoids (get PARK, REVERSE, NEUTRAL and 5th gear as the only forward gear with TCC
open).
- Harsh engagements.
- Poor launch performance (due to 5th gear drive away).
- No TCC
apply.
- No shifts.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0743 |
- |
TCC
Solenoid Electrical Faults |
TCC
is open, shorted to ground or shorted to voltage |
Open, short to ground or short to power in solenoid or wiring. |
- See P0740, P0742 or P0744
.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0743 |
P0740, P0743 |
TCC
Solenoid Electrical Faults |
TCC
circuit is open |
Open circuit in solenoid or wiring. |
- TCC
failed off - vehicle might run hotter, lose fuel economy.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0743 |
P0742, P0743 |
TCC
Solenoid Electrical Faults |
TCC
circuit is shorted to ground |
Short to ground in the solenoid or wiring. |
- Failure Mode Effects Management action opens the transaxle solenoid power control, removing power from all solenoids (get PARK, REVERSE, NEUTRAL and 5th gear as the only forward gear with TCC
open).
- Harsh engagements.
- Poor launch performance (due to 5th gear drive away).
- No TCC
apply.
- No shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0743 |
P0743, P0744 |
TCC
Solenoid Electrical Faults |
TCC
is shorted to voltage |
Short to power in the wiring or solenoid. |
- TCC
failed off - vehicle might run hotter, lose fuel economy.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0744 |
P0743, P0744 |
TCC
Solenoid Electrical Faults |
TCC
is shorted to voltage |
Short to power in the wiring or solenoid. |
- TCC
failed off - vehicle might run hotter, lose fuel economy.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0748 |
- |
Line Pressure Control (LPC) Solenoid Electrical Faults |
LPC
is open circuit, shorted to ground or shorted to voltage |
Open, short to ground or short to power in solenoid or wiring. |
- See P0960, P0962 and P0963
.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0748 |
P0748, P0960 |
LPC
Solenoid Electrical Faults |
LPC
circuit is open |
Open circuit in solenoid or wiring. |
- Failed to maximum line pressure - harsh engagements.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0748 |
P0748, P0962 |
LPC
Solenoid Electrical Faults |
LPC
circuit is shorted to ground |
Short to ground in the solenoid or wiring. |
- Failed to minimum line pressure.
- Failure Mode Effects Management action opens the transaxle solenoid power control, removing power from all solenoids (get PARK, REVERSE, NEUTRAL and 5th as the only forward gear with TCC
open).
- Harsh engagements.
- Poor launch performance (due to 5th gear drive away).
- No TCC
apply.
- No shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0748 |
P0748, P0963 |
LPC
Solenoid Electrical Faults |
LPC
is shorted to voltage |
Short to power in the wiring or solenoid. |
- Failed to maximum line pressure - harsh engagements.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0750 |
P0750, P0753 |
Shift Solenoid A (SSA) Electrical Faults |
SSA
circuit is open |
Open circuit in solenoid or wiring. |
- Forward clutch is failed off - 5th and 6th gears only available forward gears.
- Neutral condition or flare when fault occurs.
- Poor launch due to 5th gear drive away.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0751 |
P0751, P2700 |
Forward Clutch System Faults (includes non-electrical SSA
faults, valve body and clutch) |
Forward clutch failed off |
Forward clutch failed off, could be due to:
- Forward clutch VFS
(SSA
) non-electrical failed stuck off (no pressure).
- Forward clutch stuck off due to mechanical failure.
- Forward clutch regulator valve stuck in the default position.
- Forward clutch boost valve stuck in the default position.
|
- Customer may notice neutral conditions or flares on downshifts from 5th or 6th gears as the test is determining forward is failed off.
- Once a code is stored, all gears with forward on are disabled - leaving 5th and 6th gears as the only forward gears.
- Customer might notice erratic shifting, harsh engagements, neutral conditions, flares, poor launch performance (due to 5th gear drive away), harsh reverse engagements.
- Will turn on MIL
.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0752 |
P0752, P2700 |
Forward Clutch System Faults (includes non-electrical SSA
faults, valve body and clutch) |
Forward clutch failed on |
Forward clutch failed on, could be due to:
- Forward clutch VFS
(SSA
) non-electrical failed stuck on (pressure).
- Forward clutch stuck on due to mechanical failure.
- Forward clutch regulator valve stuck in the default position.
- Forward clutch regulator valve stuck in the spring compressed position.
|
- Customer may notice a vehicle deceleration on a shift into 5th or 6th (forward clutch failing to release will cause a tie-up in 5th or 6th).
- Customer might notice erratic shifting or being stuck in 4th gear while the test is confirming forward clutch is failed on.
- After a code is stored 5th and 6th are disabled.
- Customer might notice higher than normal engine speeds and loss of fuel economy.
- Will turn on MIL
.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0753 |
- |
SSA
Electrical Faults |
SSA
is open, shorted to ground or shorted to voltage |
Open, short to ground or short to power in solenoid or wiring. |
- See P0750, P0973, P0974
.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0753 |
P0750, P0753 |
SSA
Electrical Faults |
SSA
circuit is open |
Open circuit in solenoid or wiring. |
- Forward clutch is failed off - 5th and 6th only available forward gears.
- Neutral condition or flare when fault occurs.
- Poor launch due to 5th gear drive away.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0753 |
P0750, P0973 |
SSA
Electrical Faults |
SSA
circuit is shorted to ground |
Short to ground in the solenoid or wiring. |
- Failure Mode Effects Management action opens the transaxle solenoid power control, removing power from all solenoids (get PARK, REVERSE, NEUTRAL and 5th gear as the only forward gear with TCC
open).
- Harsh engagements.
- Poor launch performance (due to 5th gear drive away).
- No TCC
apply.
- No shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0753 |
P0750, P0974 |
SSA
Electrical Faults |
SSA
is shorted to voltage |
Short to power in the wiring or solenoid. |
- Forward clutch is failed off - 5th and 6th gear only available forward gears.
- Neutral condition or flare when fault occurs.
- Poor launch performance (due to 5th gear drive away).
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0755 |
P0755, P0758 |
SSB
Electrical Faults |
Open circuit in solenoid or wiring |
SSB
circuit is open. |
- Direct clutch failed on - only 3rd and 5th gear available.
- Harsh engagements.
- Poor launch performance (due to 5th gear drive away).
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0756 |
P0733, P0735, P0756 |
Direct Clutch System Fault (includes non-electrical SSB
faults, valve body and clutch) |
Direct clutch failed off |
Direct clutch failed off, could be due to:
- Non-electrical failures where SSB
(direct clutch VFS
) is stuck off (no pressure).
- Direct clutch regulator valve stuck in default position.
- Direct clutch mechanical failure.
|
- Customer may notice flares or neutral conditions on shifts into 3rd or 5th gear.
- PCM will command 3 shifts into 3rd or 5th gear, and if direct clutch is failed off the customer will notice flares or neutral conditions that last one second or so.
- 3rd and 5th gear are disabled, customer might notice transmission hangs in 2nd on accelerate until customer tips out to closed pedal (done to protect O/D
clutch).
- Will turn on MIL
.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0757 |
P072E, P073A, P0757 |
Direct Clutch System Fault (includes non-electrical SSB
faults, main control valve body and clutch) |
SSB
failed on |
SSB
(direct clutch VFS
) failed on, causing direct clutch failed on. Since the hydraulic controls prevent direct clutch and low/reverse clutch on together in the forward ranges we can isolate the solenoid from the clutch. This code sets if:
- Non-electrical failures where SSB
(direct clutch VFS
) is stuck on (pressure).
- Direct clutch regulator valve stuck in spring compress position.
|
- Customer may notice a vehicle deceleration on a shift into 2nd, 4th or 6th gears (direct clutch failing to release will cause a tie-up in these gears).
- Customer might notice a harsh 1-3 shift.
- Since only 3rd and 5th gears are allowed customer might notice poor launch performance lack of shifts, harsh engagements.
- Will turn on MIL
.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0758 |
- |
SSB
Electrical Faults |
SSB
is open, shorted to ground or shorted to voltage |
Open, short to ground or short to power in solenoid or wiring. |
- See P0755, P0976, P0977
.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0758 |
P0755, P0758 |
SSB
Electrical Faults |
Open circuit in solenoid or wiring |
SSB
circuit is open. |
- Direct clutch failed on - only 3rd and 5th gears available.
- Harsh engagements.
- Poor launch performance (due to 3rd gear drive away).
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0758 |
P0758, P0976 |
SSB
Electrical Faults |
SSB
circuit is shorted to ground |
Short to ground in the solenoid or wiring. |
- Failure Mode Effects Management action opens the transaxle solenoid power control, removing power from all solenoids (get PARK, REVERSE, NEUTRAL and 5th gear as the only forward gear with TCC
open).
- Harsh engagements.
- Poor launch performance (due to 5th gear drive away).
- No TCC
apply.
- No shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0758 |
P0758, P0977 |
SSB
Electrical Faults |
SSB
is shorted to voltage |
Short to power in the wiring or solenoid. |
- Direct clutch failed on - only 3rd and 5th gear available.
- Harsh engagements.
- Poor launch performance (due to 3rd gear drive away).
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0760 |
P0760, P0763 |
Shift Solenoid C (SSC) Electrical Faults |
SSC
circuit is open |
Open circuit in solenoid or wiring. |
Incorrect gear selection depending on condition mode and manual lever position. See SOLENOID OPERATION CHART
.
- Intermediate clutch is failed off - if fault occurs while in 2nd or 6th gear customer might notice a neutral condition before diagnostics disables 2nd and 6th gear.
- Customer might notice erratic, delayed or harsh shifts.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0761 |
P0761, P2702 |
Intermediate Clutch System Faults (includes clutch, valve body and non-electrical SSC
faults) |
Intermediate clutch failed off |
Intermediate clutch failed off, could be due to:
- Intermediate clutch VFS SSC
non-electrical failed stuck off (no pressure).
- Intermediate clutch stuck off due to mechanical failure.
- Intermediate clutch regulator valve stuck in the default position.
|
- Customer may notice neutral conditions or flares on shifts to 2nd or 6th gear as the test is determining intermediate clutch is failed off.
- Once a code is stored, all gears with intermediate clutch on are disabled (2nd and 6th gear) leaving 1st gear without engine braking, 1st gear with engine braking, 3rd, 4th and 5th gears.
- Customer might notice erratic shifting, neutral conditions, flares, higher engine speeds on highway (due to 6th gear being disabled).
- Will turn on MIL
.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0762 |
P0762, P2702 |
Intermediate Clutch System Faults (includes clutch, valve body and non-electrical SSC
faults) |
Intermediate clutch failed on |
Intermediate clutch failed on, could be due to:
- Intermediate clutch VFS SSC
non-electrical failed stuck on (pressure).
- Intermediate clutch stuck on due to mechanical failure.
- Intermediate clutch regulator valve stuck in the spring compressed position.
|
- Customer may notice a vehicle deceleration on a shift into 3rd or 5th gears (intermediate clutch failing to release will cause a tie-up in 3rd or 5th gears).
- Customer might notice erratic shifting or being stuck in 6th gear while the test is confirming C26 is failed on.
- After a code is stored 1st gear with engine braking, 1st gear without engine braking, 3rd, 4th and 5th gears are disabled.
- Customer might notice hanging in 2nd on acceleration since 2nd-6th upshifts only occur at closed pedal (due to energy limitations of O/D
clutch), harsh reverse engagements (since low/reverse clutch is not on in 2nd gear).
- Will turn on MIL
.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0763 |
- |
SSC
Electrical Faults |
SSC
is open, shorted to ground or shorted to voltage |
Open, short to ground or short to power in solenoid or wiring. |
- See P0760, P0979, P0980
.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0763 |
P0760, P0763 |
SSC
Electrical Faults |
SSC
circuit is open |
Open circuit in solenoid or wiring. |
- Intermediate clutch is failed off - if fault occurs while in 2nd or 6th gears, customer might notice a neutral condition before diagnostics disables 2nd and 6th gears.
- Customer might notice erratic, delayed or harsh shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0763 |
P0760, P0797 |
SSC
Electrical Faults |
SSC
circuit is shorted to ground |
Short to ground in the solenoid or wiring. |
- Failure Mode Effects Management action opens the transaxle solenoid power control, removing power from all solenoids (get PARK, REVERSE, NEUTRAL and 5th gear as the only forward gear with TCC
open).
- Harsh engagements.
- Poor launch performance (due to 5th gear drive away).
- No TCC
apply.
- No shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0763 |
P0760, P0980 |
SSC
Electrical Faults |
SSC
is shorted to voltage |
Short to power in the wiring or solenoid. |
- Intermediate clutch is failed off - if fault occurs while in 2nd or 6th gear, customer might notice a neutral condition before diagnostics disables 2nd and 6th gear.
- Customer might notice erratic, delayed or harsh shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0765 |
P0765, P0768 |
SSD
Electrical Faults |
SSD
circuit is open |
Open circuit in solenoid or wiring. |
- O/D
clutch failed on, only 4th, 5th and 6th gears available.
- Harsh engagements.
- Poor launch due to 4th gear drive away.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0766 |
P0729, P0734, P0735, P0766 |
O/D
Clutch System Faults (includes non-electrical SSD
faults, main control valve body and clutch) |
SSD
stuck off (SSD
or main control valve body) |
SSD
stuck off, both low/reverse clutch and O/D
clutch failed off. This code sets for:
- Low/reverse clutch/O/D
clutch VFS
non-electrical fault.
- Low/reverse clutch/O/D
clutch regulator valve stuck in default position.
- Low/reverse clutch/O/D
clutch boost valve stuck in default position.
|
- Customer may notice flares or neutral conditions on shifts into 4th, 5th or 6th gears.
- Customer might notice erratic shifting, flares, neutral conditions while the code is being set.
- 1st gear with engine braking, 4th, 5th and 6th gears are disabled - customer might notice high engine speeds (since 3rd is highest available gear).
- Also might get delayed or no reverse engagement (need low/reverse clutch on to achieve reverse).
- Will turn on MIL
.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0767 |
P072F, P073A, P073B, P0767 |
O/D
Clutch System Faults (includes non-electrical SSD
faults, valve body and clutch) |
O/D
clutch failed on (clutch, SSD
or valve body) |
O/D
clutch failed on, could be due to:
- Low/reverse clutch/O/D
clutch, VFS SSD
non-electrical failed stuck on (pressure).
- O/D
clutch stuck on due to mechanical failure.
- Low/reverse clutch/O/D
clutch regulator valve stuck in the spring compressed position.
|
- Customer may notice a vehicle deceleration on a shift into 2nd or 3rd gears (overdrive clutch failing to release will cause a tie-up in 2nd or 3rd gears).
- First gear with engine braking, 1st gear without engine braking, 2nd and 3rd gears are disabled.
- Poor launch due to 4th gear drive away.
- Harsh engagements.
- Will turn on MIL
.
|
|
| P0768 |
- |
SSD
Electrical Faults |
SSD
is open, shorted to ground or shorted to voltage |
Open, short to ground or short to power in solenoid or wiring. |
- See P0765, P0982, P0983
.
- Will turn on wrench lamp.
|
|
| P0768 |
P0765, P0768 |
SSD
Electrical Faults |
SSD
circuit is open |
Open circuit in solenoid or wiring. |
- O/D
clutch failed on, only 4th, 5th and 6th gear available.
- Harsh engagements.
- Poor launch due to 4th gear drive away.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0768 |
P0765, P0982 |
SSD
Electrical Faults |
SSD
circuit is shorted to ground |
Short to ground in the solenoid or wiring. |
- Failure Mode Effects Management action opens the transaxle solenoid power control, removing power from all solenoids (get PARK, REVERSE, NEUTRAL and 5th gear as the only forward gear with TCC
open).
- Harsh engagements.
- Poor launch performance (due to 5th gear drive away).
- No TCC
apply.
- No shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0768 |
P0765, P0983 |
SSD
Electrical Faults |
SSD
is shorted to voltage |
Short to power in the wiring or solenoid. |
- O/D
clutch failed on, only 4th, 5th and 6th gears available.
- Harsh engagements, poor launch due to 4th gear drive away.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0770 |
P0770, P0773 |
Shift Solenoid E (SSE) Electrical Faults |
SSE
circuit failure |
Open, short to ground or short to power in solenoid or wiring. |
SSE
controls routing SSD
pressure to low/reverse clutch or O/D
clutch. For SSE
failed off (no pressure):
- Customer might notice 4th gear drive away (when 1st gear is commanded).
- After it is determined on/off is failed to no pressure then 1st gear with engine braking is disabled.
- Customer may notice nothing or may notice 2nd gear provided when 1st gear selected in low manual lever range.
- Harsh reverse engagements since low/reverse clutch does not apply in neutral or drive in this failure mode.
For SSE
failed on (pressure):
- High side is turned off.
- Poor launch performance (due to 5th gear drive away).
- Harsh engagements.
- No TCC
apply.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0771 |
P0771, P0774 |
SSE
Non-Electrical Faults (SSE
and main control valve body) |
SSE
stuck off |
- The on/off solenoid (SSE
) controls the multiplexing of SSD
(low/reverse clutch/O/D
clutch VFS
). If this solenoid fails off (no pressure), then 1st gear with engine braking is failed to 4th gear.
- Also, if clutch select valve 2 sticks in the default position, then 1st gear with engine braking is failed to 4th gear and reverse is failed to neutral.
- It is not necessary to distinguish SSE
stuck off from valve 2 stuck default. This code means either:
- Non-electrical SSE
(on/off solenoid) failed off (no pressure).
- Valve 2 stuck in default position.
|
- If the on/off solenoid (SSE
) is failed off or valve 2 is stuck in default position, then the customer will get 4th gear when 1st gear with engine braking is selected.
- Customer might notice 4th gear drive away in automatic range since the control system commands 1st gear with engine braking at a stop (turns low/reverse clutch on) in case the customer moves the manual lever to reverse. Also, for valve 2 failures, the customer might get a no engagements when selecting reverse.
- Will turn on MIL
.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0772 |
P0772, P0774 |
SSE
Non-Electrical Faults (SSE
and valve body) |
SSE
stuck on |
- The on/off solenoid (SSE
) controls the multiplexing of SSD
(low/reverse clutch/O/D
clutch VFS
). If this solenoid fails on (pressure) then 1st gear without engine braking, 1st gear with engine braking and 2nd gear are the only available gears. Third gear is failed to 1st gear without engine braking, 4th gear is failed to 1st gear with engine braking, 5th gear is failed to neutral and 6th gear is a tie-up.
- Also, if clutch select valve 2 sticks in the spring compressed position the same ratio pattern will occur. This code means either:
- Non-electrical SSE
(on/off solenoid) failed on (pressure).
- Valve 2 stuck in spring compressed position.
|
- If the on/off solenoid (SSE
) is failed on or valve 2 is stuck in spring compressed position, then 1st and 2nd gears are the only available gears.
- Customer might notice flares (on shifts into 3rd gear), deceleration (on shifts into 4th gear) or neutral conditions (on shifts into 5th gear). High engine RPM (since 2nd gear is top available gear).
- Will turn on MIL
.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0773 |
P0770, P0773 |
SSE
Electrical Faults |
SSE
circuit failure |
Open, short to ground or short to power in solenoid or wiring. |
SSE
controls routing SSD
pressure to low/reverse clutch or O/D
clutch. For SSE
failed off (no pressure):
- Customer might notice 4th gear drive away (when 1st gear commanded).
- After it is determined on/off is failed to no pressure then 1st gear with engine braking is disabled.
- Customer may notice nothing or may notice 2nd gear provided when 1st gear selected in low manual lever range.
- Harsh reverse engagements since low/reverse clutch does not apply in neutral or drive in this failure mode.
For SSE
failed on (pressure):
- High side is turned off.
- Poor launch performance (due to 5th gear drive away).
- Harsh engagements.
- No TCC
apply.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0774 |
- |
SSE
Electrical Faults |
SSE
stuck on or off |
See P0771 and P0772
. |
- See P0771 and P0772
.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST A
. |
| P0774 |
P0771, P0774 |
SSE
Non-Electrical Faults (SSE
and valve body) |
SSE
stuck off |
- The on/off solenoid (SSE
) controls the multiplexing of SSD
(low/reverse clutch/O/D
clutch VFS
). If this solenoid fails off (no pressure) then 1st gear with engine braking is failed to 4th.
- Also, if clutch select valve 2 sticks in the default position, then 1st gear with engine braking is failed to 4th gear and reverse is failed to neutral.
- Do not distinguish SSE
stuck off from valve 2 stuck default. This code means either:
- Non-electrical SSE
(on/off solenoid) failed off (no pressure).
- Valve 2 stuck in default position.
|
- If the on/off solenoid (SSE
) is failed off or valve 2 is stuck in default position, then the customer will get 4th gear when 1st gear with engine braking is selected.
- Customer might notice 4th gear drive away in automatic range since the control system commands 1st gear with engine braking at a stop (turns low/reverse clutch on) in case the customer moves the manual lever to REVERSE. Also, for valve 2 failures the customer might get a no engagements when selecting reverse.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0774 |
P0772, P0774 |
SSE
Non-Electrical Faults (SSE
and valve body) |
SSE
stuck on |
- The on/off solenoid (SSE
) controls the multiplexing of SSD
(low/reverse clutch/O/D
clutch VFS
). If this solenoid fails on (pressure) then 1st gear without engine braking, 1st gear with engine braking and 2nd gear are the only available gears. 3rd gear is failed to 1st gear without engine braking, 4th gear is failed to 1st gear with engine braking, 5th gear is failed to neutral and 6th gear is a tie-up.
- Also, if clutch select valve 2 sticks in the spring compressed position the same ratio pattern will occur. This code means either:
- Non-electrical SSE
(on/off solenoid) failed on (pressure).
- Valve 2 stuck in spring compressed position.
- Will turn on wrench lamp.
|
- If the on/off solenoid (SSE
) is failed on or valve 2 is stuck in spring compressed position then 1st and 2nd are the only available gears.
- Customer might notice flares (on shifts into 3rd gear), deceleration (on shifts into 4th gear) or neutral conditions (shifts into 5th gear). High engine RPM (since 2nd gear is top available gear).
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P0960 |
P0960, P0748 |
LPC
Solenoid Electrical Faults |
LPC
circuit is open |
Open circuit in solenoid or wiring. |
- Failed to maximum line pressure.
- Harsh engagements.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0962 |
P0962, P0748 |
LPC
Solenoid Electrical Faults |
LPC
circuit is shorted to ground |
Short to ground in the solenoid or wiring. |
Failed to minimum line pressure:
- Failure Mode Effects Management action opens the transaxle solenoid power control removing power from all solenoids (get PARK, REVERSE, NEUTRAL and 5th gear as the only forward gear with TCC
open).
- Harsh engagements.
- Poor launch performance (due to 5th gear drive away).
- No TCC
apply.
- No shifts.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0963 |
P0963, P0748 |
LPC
Solenoid Electrical Faults |
LPC
is shorted to voltage |
Short to power in the wiring or solenoid. |
- Failed to maximum line pressure.
- Harsh engagements.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0973 |
P0973, P0753 |
SSA
Electrical Faults |
SSA
circuit is shorted to ground |
Short to ground in the solenoid or wiring. |
- Failure Mode Effects Management action opens the transaxle solenoid power control, removing power from all solenoids (get PARK, REVERSE, NEUTRAL and 5th gear as the only forward gear with TCC
open).
- Harsh engagements.
- Poor launch performance (due to 5th gear drive away).
- No TCC
apply.
- No shifts.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0974 |
P0974, P0753 |
SSA
Electrical Faults |
SSA
is shorted to voltage |
Short to power in the wiring or solenoid. |
- Forward clutch is failed off - 5th and 6th gears only available forward gears.
- Neutral condition or flare when fault occurs.
- Poor launch due to 5th gear drive away
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0976 |
P0976, P0758 |
SSB
Electrical Faults |
SSB
circuit is shorted to ground |
Short to ground in the solenoid or wiring. |
- Failure Mode Effects Management action opens the transaxle solenoid power control, removing power from all solenoids (get PARK, REVERSE, NEUTRAL and 5th gear as the only forward gear with TCC
open).
- Harsh engagements.
- Poor launch performance (due to 5th gear drive away).
- No TCC
apply.
- No shifts.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0977 |
P0977, P0758 |
SSB
Electrical Faults |
SSB
is shorted to voltage |
Short to power in the wiring or solenoid. |
- Direct clutch failed on - only 3rd and 5th gear available.
- Harsh engagements.
- Poor launch due to 3rd gear drive away.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0979 |
P0979, P0763 |
SSC
Electrical Faults |
SSC
circuit is shorted to ground |
Short to ground in the solenoid or wiring. |
- Failure Mode Effects Management action opens the transaxle solenoid power control, removing power from all solenoids (get PARK, REVERSE, NEUTRAL and 5th gear as the only forward gear with TCC
open).
- Harsh engagements.
- Poor launch performance (due to 5th gear drive away).
- No TCC
apply.
- No shifts.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0980 |
P0980, P0763 |
SSC
Electrical Faults |
SSC
is shorted to voltage |
Short to power in the wiring or solenoid. |
Intermediate clutch is failed off:
- If fault occurs while in 2nd or 6th gear, customer might notice a neutral condition before diagnostics disables 2nd and 6th gears.
- Customer might notice erratic, delayed or harsh shifts.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0982 |
P0982, P0768 |
SSD
Electrical Faults |
SSD
circuit is shorted to ground |
Short to ground in the solenoid or wiring. |
- Failure Mode Effects Management action opens the transaxle solenoid power control removing power from all solenoids (get PARK, REVERSE, NEUTRAL and 5th as the only forward gear with TCC
open), harsh engagements.
- Poor launch performance (due to 5th gear drive away).
- No TCC
apply.
- No shifts.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P0983 |
P0983, P0768 |
SSD
Electrical Faults |
SSD
is shorted to voltage |
Short to power in the wiring or solenoid. |
- O/D
clutch failed on, only 4th, 5th and 6th gears available.
- Harsh engagements.
- Poor launch due to 4th gear drive away.
- Will turn on MIL
.
|
GO to PINPOINT TEST A
. |
| P163E |
- |
Transmission Identification Block (solenoid strategy data programmed into the PCM) |
Transmission identification version |
- Transmission identification version incorrect (transmission identification version does not match version in PCM calibration).
- 7-digit service banding code checksum or total transmission identification block checksum invalid.
- Solenoid and Clutch characterization data unavailable.
- Failure Mode Effects Management will increase pressure and allow only PARK, REVERSE, NEUTRAL, 1st gear without engine braking and 3rd.
|
- Failure Mode Effects Management action of limits function to 1st gear without engine braking and 3rd could cause high engine RPM, lack of shifts complaints.
- No TCC
apply.
- Will turn on MIL
.
|
Refer to SOLENOID BODY STRATEGY
. |
| P163F |
- |
Transmission Identification Block (solenoid characterization data programmed into the PCM) |
Transmission identification block corrupted, not programmed |
- Transmission identification data not programmed.
- Solenoid and Clutch strategy data unavailable.
- Failure Mode Effects Management will increase pressure and allow only PARK, REVERSE, NEUTRAL, 1st gear without engine braking and 3rd.
|
- Failure Mode Effects Management action of limits function to 1st gear without engine braking and 3rd could cause high engine RPM, lack of shifts complaints.
- No TCC
apply.
- Will turn on MIL
.
|
Refer to SOLENOID BODY STRATEGY
. |
| P1636 |
- |
ADLR Faults |
ADLR chip communication error |
- Lost communication with ADLR solenoid driver.
- ADLR is an internal PCM chip that controls the solenoids. The main micro communicates with the ADLR over a serial interface, sending out the desired solenoid state and receiving back a circuit fault status.
- If communication is lost with the ADLR, the solenoid states become unknown, so the control system forces the transaxle solenoid power control off.
|
- Transaxle solenoid power control turned off, providing PARK, REVERSE, NEUTRAL and 5th gear with TCC
open and maximum line pressure.
- Harsh engagements.
- Poor performance launch (due to 5th drive away).
- No TCC
apply.
- No shifts.
- Will turn on MIL
.
|
Install a new PCM. Refer to
ELECTRONIC ENGINE CONTROLS
. |
| P1700 |
- |
Other Main Control Valve Body Faults (stuck valves) |
Multiplex manual valve (valve 3) |
This DTC is set if the multiplex manual valve sticks in the default position for reverse while the manual valve is in the drive or low position. Neutral will be the default condition in all forward gear ranges with SSE
on. Once the PCM sees this fault, the PCM turns off SSE
(SSE
off) and allows the transaxle to achieve 1st, 2nd, and 3rd gears only. |
- Customer might notice neutral conditions when 1st gear with engine braking, 1st gear without engine braking or 2nd are commanded.
- Erratic shifting as the OBD isolate the cause of the neutral condition to multiplex manual valve (valve 3).
- High engine speeds since 3rd is top available gear, harsh reverse engagements (since low/reverse clutch is not on in drive at low speed with this failure).
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P1702 |
- |
TR
Sensor Electrical Faults |
TR
sensor circuit failure |
P1702 - see P0705 and P0708
. |
- Possible no crank, only PARK, REVERSE, NEUTRAL and 5th gear available, harsh engagements.
- Extremely delayed engagements (until a DTC is set).
- After a DTC is set and the high side opened - harsh engagements, poor performance (due to a 5th gear drive away), no shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST D
. |
| P1702 |
P0705, P1702 |
TR
Sensor |
TR
sensor circuit failure |
PCM is received an invalid combination of the 4-bit signal from the TR
sensor (wiring, connector or TR
sensor issue). |
- Possible no crank, only PARK, REVERSE, NEUTRAL and 5th gear available, harsh engagements.
- Extremely delayed engagements (until a DTC is set).
- After a DTC is set and the high side opened - harsh engagements, poor performance (due to a 5th gear drive away), no shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST D
. |
| P1702 |
P0708, P1702 |
TR
Sensor |
TR
sensor circuit failure |
PCM is received all 4 TR
sensor bits open (potential sensor disconnected, wiring, connector or TR
sensor issue). |
- Possible no crank, only PARK, REVERSE, NEUTRAL and 5th gear available, harsh engagements.
- Extremely delayed engagements (until a DTC is set).
- After a DTC is set and the high side opened - harsh engagements, poor performance (due to a 5th gear drive away), no shifts.
- Will turn on wrench lamp.
|
GO to PINPOINT TEST D
. |
| P1705 |
- |
TR
Sensor |
TR
sensor |
TR
sensor not indicating Park or Neutral during Key ON Engine OFF (KOEO) or Key ON Engine Running (KOER) self-test. |
Carry out KOEO
or KOER
only. |
GO to PINPOINT TEST D
. |
| P1711 |
- |
TFT |
TFT
sensor |
TFT
out of self-test range (less than -1°C [30°F] or greater than 105°C [220°F]). |
Carry out KOEO
or KOER
only. |
GO to PINPOINT TEST B
. |
| P1744 |
P0741, P1744 |
TCC
System Faults (includes TCC
, main control valve body and non-electrical solenoid faults) |
TCC
failed off |
TCC
is mechanically stuck off. |
P0741 and P1744 mean the same thing non-electrical failure that caused the TCC
to fail to apply. This code sets for:
- Non-electrical TCC
solenoid stuck off.
- TCC
mechanical failure.
- TCC
regulator apply valve stuck in TCC
release position.
- TCC
control valve stuck in TCC
release position.
- TCC
functional failure MIL
code.
- TCC
failed to apply (less than 80 RPM slip error lasting at least 3 seconds when TCC
is commanded on) 3 consecutive times.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P1780 |
- |
Transmission Control Switch (TCS) |
TCS |
TCS
did not change states during KOER
Self Test. |
Customer cannot cancel O/D
. |
Refer to
AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS
. |
| P1783 |
- |
Transmission Over Temperature |
Transmission over temperature |
Transmission over temperature condition (greater than 135°C [275°F] for at least 5 seconds). |
- Torque converter lockup happens earlier than expected.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P1910 |
- |
Reverse Lamp Control |
Reverse lamp control |
Reverse lamp control circuit fault. |
- Reverse lamps do not function correctly.
- Will turn on wrench lamp.
|
Refer to
EXTERIOR LIGHTING
. |
| P2700 |
- |
Forward Clutch System Fault (includes non-electrical SSA
faults, main control valve body and forward clutch) |
Forward clutch failed on or off |
See P0751 and P0752
. |
- See P0751 and P0752
.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P2700 |
P0751, P2700 |
Forward Clutch System Faults (includes non-electrical SSA
faults, valve body and clutch) |
Forward clutch failed off |
Forward clutch failed off, could be due to:
- Forward clutch VFS
(SSA
) non-electrical failed stuck off (no pressure).
- Forward clutch stuck off due to mechanical failure.
- Forward clutch regulator valve stuck in the default position.
- Forward clutch boost valve stuck in the default position.
|
- Customer may notice neutral conditions or flares on downshifts from 5th or 6th as the test is determining Forward is failed off.
- Once a code is stored, all gears with Forward on are disabled - leaving 5th and 6th as the only Forward gears.
- Customer might notice erratic shifting, harsh engagements, neutral conditions, flares, poor launch performance (due to 5th drive away), harsh reverse engagements.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P2700 |
P0752, P2700 |
Forward Clutch System Faults (includes non-electrical SSA
faults, valve body and clutch) |
Forward clutch failed on |
Forward clutch failed on, could be due to:
- Forward clutch VFS
(SSA
) non-electrical failed stuck on (pressure).
- Forward clutch stuck on due to mechanical failure.
- Forward clutch regulator valve stuck in the default position.
- Forward clutch regulator valve stuck in the spring compressed position.
|
- Customer may notice a vehicle deceleration on a shift into 5th or 6th gears (forward clutch failing to release will cause a tie-up in 5th or 6th gears).
- Customer might notice erratic shifting or being stuck in 4th gear while the test is confirming forward clutch is failed on.
- After a code is stored 5th and 6th are disabled. Customer might notice higher than normal engine speeds and loss of fuel economy.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P2701 |
- |
Direct Clutch System Fault (includes non-electrical SSB
faults, valve body and clutch) |
Direct clutch failed on |
- Direct clutch failed on due to a mechanical fault.
- Due to the hydraulic controls the clutch can be isolated from the solenoid - this failure code means direct clutch is on in 1st gear under conditions where the SSB
(direct clutch VFS
) cannot cause it to apply.
|
- Customer may notice a vehicle deceleration on a shift into 2nd, 4th or 6th gear (direct clutch failing to release will cause a tie-up in these gears).
- Customer might notice erratic shifting while the test is confirming direct clutch is failed on.
- After a code is stored all gears but 3rd and 5th are disabled.
- Since only 3rd and 5th gears are allowed the customer might notice:
- poor launch performance.
- lack of shifts.
- harsh engagements.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P2702 |
- |
Intermediate Clutch System Faults (includes clutch, valve body and non-electrical SSC
faults) |
Intermediate clutch failed on or off |
See P0761 and P0762
. |
- See P0761 and P0762
.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P2702 |
P0761, P2702 |
Intermediate Clutch System Faults (includes clutch, valve body and non-electrical SSC
faults) |
Intermediate clutch failed off |
Intermediate clutch failed off, could be due to:
- Intermediate clutch VFS
(SSC
) non-electrical failed stuck off (no pressure).
- Intermediate clutch stuck off due to mechanical failure.
- Intermediate clutch regulator valve stuck in the default position.
|
- Customer may notice neutral conditions or flares on shifts to 2nd or 6th as the test is determining intermediate clutch is failed off.
- Once a code is stored, all gears with intermediate clutch on are disabled (2nd and 6th gears) leaving 1st gear without engine braking, 1st gear with engine braking, 3rd, 4th and 5th gears.
- Customer might notice erratic shifting, neutral conditions, flares, higher engine speeds on highway (due to 6th gear being disabled).
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P2702 |
P0762, P2702 |
Intermediate Clutch System Faults (includes clutch, valve body and non-electrical SSC
faults) |
Intermediate clutch failed on |
Intermediate clutch failed on, could be due to:
- Intermediate clutch VFS
(SSC
) non-electrical failed stuck on (pressure).
- Intermediate clutch stuck on due to mechanical failure.
- Intermediate clutch regulator valve stuck in the spring compressed position.
|
- Customer may notice a vehicle deceleration on a shift into 3rd or 5th gears (intermediate clutch failing to release will cause a tie-up in 3rd or 5th gears).
- Customer might notice erratic shifting or being stuck in 6th gear while the test is confirming C26 is failed on.
- After a code is stored 1st gear with engine braking, 1st gear without engine braking, 3rd, 4th and 5th gears are disabled.
- Customer might notice hanging in 2nd gear on acceleration since 2nd gear - 6th gear upshifts only occur at closed pedal (due to energy limitations of O/D
clutch), harsh reverse engagements (since low/reverse clutch is not on in 2nd gear).
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P2703 |
- |
Low/Reverse Clutch and OWC
Faults (covers just the clutches) |
Low/reverse clutch failed off |
Low/reverse clutch provides engine braking in 1st gear and is required to achieve reverse. |
- Low/reverse clutch is only tested for failed off in the low manual lever position.
- The customer might notice not getting engine braking in 1st gear with engine braking, and erratic shifting as the OBD isolates the fault to low/reverse clutch failed off.
- Once a code is stored 2nd gear will be provided in place of 1st in the Low manual lever range.
- Customer might also experience delayed or no reverse engagement.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P2704 |
- |
O/D
Clutch System Faults (includes non-electrical SSD
faults, valve body and clutch) |
O/D
clutch failed off (clutch fault only) |
- O/D
clutch failed off.
- Since SSD
(low/reverse clutch/O/D
clutch VFS
) is multiplexed we can isolate O/D
clutch failed off mechanical faults (set P2704) from SSD
failed to no pressure (sets P0766).
|
- Customer may notice neutral conditions or flares on shifts into 4th, 5th, or 6th gear.
- 4th, 5th and 6th gears are disabled.
- Customer might notice erratic shifting, neutral conditions, flares, high engine RPM (since 3rd gear is top available gear).
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P2705 |
- |
OWC
Faults (covers just the clutches) |
OWC
failed off |
- OWC
holds in 1st gear without engine braking. If the OWC
fails off, 1st gear without engine braking is failed to neutral.
- First gear with engine braking is disabled for this failure since low/reverse clutch is not intended to hold power on torque in 1st gear.
|
- Customer might notice neutral conditions when 1st gear without engine braking is commanded.
- Erratic shifting as the OBD isolates the cause of the neutral condition to the OWC
being failed.
- Might also notice poor launch performance (due to 2nd gear drive away).
- Harsh engagements.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |
| P2783 |
- |
Other Main Control Valve Body Faults (stuck valves) |
TCC
control valve |
- TCC
control valve stuck in the apply position. When the TCC
is commanded open there will be no flow through the TCC
(both apply and release circuits will be exhausted).
- Test will run in 3rd or higher (when valve 2 is in the latched position, pointing SSD
at O/D
clutch) when the TCC
is commanded open. SSE
is turned on, if the control valve is stuck this will cause the TCC
to apply even though the TCC VFS
is off.
|
- Erratic shifts, vehicle disengages at a stop while in drive or low, early TCC
apply.
- Will turn on wrench lamp.
|
Refer to DIAGNOSIS BY SYMPTOM
. |