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SAE P0xxx-DTCs: Transmission

WARNING: This page is about a different variant/trim than selected.
DTC Error Message Diagnostic Procedure Monitor Strategy Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P0700 Transmission Control System (MIL Request) Watchdog check, MC components check. Check, failed   0 Seconds
  • Continuous
  • 2 DCY
P0706 Transmission Range Sensor A Circuit Range/Performance Position switch check. 4 bit position code, incorrect
  • Sensor supply, 5.5-8 V
  • Status, OK
 0.1 Seconds
  • Continuous
  • 2 DCY
P0710 Transmission Fluid Temperature Sensor A Circuit Signal range check. Sensor short circuit:
  • U_sensor (+), 2.3 u+ 2.7 v
  • U_sensor (-), 2.3 u- 2.7 v
   1.5 Seconds
  • Continuous
  • 2 DCY
P0711 Transmission Fluid Temperature Sensor A Circuit Range/Performance Rationality check. Discontinual temperature:
  • ATF temperature delta T between 2 measurements, >20°C
Sensor stuck:
  • Comparison ATF vs. chip temperature, ATF temp. must follow chip temp. in certain ranges, 20-40°C
  • Temperature fault, no other fault detected
  • Chip temperature, status OK
  • Engine speed or input speed, > 400 RPM
  • Signal status, OK
 1.5 Seconds
  • Continuous
  • 2 DCY
P0712 Transmission Fluid Temperature Sensor A Circuit Low Signal range check. Circuit low:
  • U_sensor (+), 4.5 V
  • U_sensor (-), 0.5 V
   1.5 Seconds
  • Continuous
  • 2 DCY
P0713 Transmission Fluid Temperature Sensor A Circuit High Signal range check. Circuit high:
  • U_sensor (+), > 4.5 V
  • U_sensor (-), > 0.5 V
   1.5 Seconds
  • Continuous
  • 2 DCY
P0714 Transmission Fluid Temperature Sensor A Circuit Intermittent Signal range check. Circuit high:
  • U_sensor (+), > 4.5 V
  • U_sensor (-), 0.5 V
   1.5 Seconds
  • Continuous
  • 2 DCY
P0716 Input/Turbine Speed Sensor A Circuit Range/Performance Rationality check. Signal higher or lower than threshold
  • Higher, > + 8000 RPM
  • Lower, 20 RPM
 Higher:
  • Sensor supply, OK
  • Sensor, no electrical error
Lower:
  • Sensor supply, OK
  • Engine speed, >600 RPM
  • Status engine speed, OK
  • Output speed, >500 RPM
  • Status output speed, OK or substitute value
  • Range position, OK or substitute value
  • Sensor, no electrical error
  • Transmission condition, friction-locked
  • Error flag fnabvra_err, not set
 0.6 Seconds
  • Continuous
  • 2 DCY
P0717 Input/Turbine Speed Sensor A Circuit No Signal
  • Short to Ground (GND)
  • Short to Battery (+)
  • Open circuit
 Hardware detection Sensor supply, OK 0.6 Seconds
  • Continuous
  • 2 DCY
P0721 Output Speed Sensor Circuit Range/Performance Rationality check.
  • Signal> threshold, > 1000 RPM
  • Difference between last and actual value >threshold, -1000 RPM
  • Difference to wheel speeds, > 500 RPM and input speed, > 200 RPM
  • Sensor supply, OK
  • Sensor, no electrical error
  • Transmission condition, friction-locked
  • Input speed sensor, OK
  • Difference between output speed and input speed, > 200 RPM
  • Transmission condition, friction-locked backwards or forwards
  • Shift flag, = 0 (no shift)
  • Input speed, OK
  • Sensor supply, OK
  • Wheel speeds, OK
  • 0.8 Seconds
  • 1 Second
  • 2 DCY
  • 2 DCY
P0722 Output Speed Sensor Circuit No Signal
  • Short to Ground (GND)
  • Short to Battery (+)
  • Open circuit
 Hardware detection Sensor supply, OK 0.6 Seconds
  • Continuous
  • 2 DCY
P0727 Engine Speed Input Circuit No Signal
  • Check wiring connection Between Engine Control Module (ECM) J623 and the Transmission Control Module (TCM) J217 according to wiring diagrams
  • Check Engine Speed (RPM) Sensor G28 → Engine Speed (RPM) Sensor G28 , checking .
 Rationality check. CAN message signal error flag, =1
  • Ignition, on
  • CAN Bus, OK
  • DME CAN connection, OK
 1 Second
  • Continuous
  • Immediate
P0729 Gear 6 Incorrect Ratio Rationality check. Speed difference between
  • Output speed, > characteristic speed difference = f (output speed), output speed 100; 1400; 8150 RPM
  • Input speed, speed difference 200; 200 RPM
  • Transmission oil temp, > -20°C
  • Forward gear (1 to 6), activated
  • Output speed, > 0 RPM
  • Engine speed, >550 RPM
  • Input speed, > 300 RPM
  • Input speed, OK
  • Stand by control, inactive
  • Time after gear switch, 0.2 s
 3 Symptoms
  • Continuous
  • 2 DCY
P0731 Gear 1 Incorrect Ratio Rationality check. Speed difference between
  • Output speed, > characteristic speed difference = f (output speed), output speed 0; 250; 2000 RPM
  • Input speed, speed difference 500; 200; 200 RPM
  • Transmission oil temp, > -20°C
  • Forward gear (1 to 6), activated
  • Output speed, > 0 RPM
  • Engine speed, >550 RPM
  • Input speed, > 300 RPM
  • Input speed, OK
  • Stand by control, inactive
  • Time after gear switch, 0.2 s
 3 Symptoms
  • Continuous
  • 2 DCY
P0732 Gear 2 Incorrect Ratio Rationality check. Speed difference between
  • Output speed, > characteristic speed difference = f (output speed), output speed 0; 400; 3500 RPM
  • Input speed, speed difference 300; 200; 200 RPM
  • Transmission oil temp, > -20°C
  • Forward gear (1 to 6), activated
  • Output speed, > 0 RPM
  • Engine speed, >550 RPM
  • Input speed, > 300 RPM
  • Input speed, OK
  • Stand by control, inactive
  • Time after gear switch, 0.2 s
 3 Symptoms
  • Continuous
  • 2 DCY
P0733 Gear 3 Incorrect Ratio Rationality check. Speed difference between
  • Output speed, > characteristic speed difference = f (output speed), output speed 100; 650; 5500 RPM
  • Input speed, speed difference 200; 200; 200 RPM
  • Transmission oil temp, > -20°C
  • Forward gear (1 to 6), activated
  • Output speed, > 0 RPM
  • Engine speed, >550 RPM
  • Input speed, > 300 RPM
  • Input speed, OK
  • Stand by control, inactive
  • Time after gear switch, 0.2 s
 3 Symptoms
  • Continuous
  • 2 DCY
P0734 Gear 4 Incorrect Ratio Rationality check. Speed difference between
  • Output speed, > characteristic speed difference = f (output speed), output speed 100; 850; 7500 RPM
  • Input speed, speed difference 200; 200; 200 RPM
  • Transmission oil temp, > -20°C
  • Forward gear (1 to 6), activated
  • Output speed, > 0 RPM
  • Engine speed, >550 RPM
  • Input speed, > 300 RPM
  • Input speed, OK
  • Stand by control, inactive
  • Time after gear switch, 0.2 s
 3 Symptoms
  • Continuous
  • 2 DCY
P0735 Gear 5 Incorrect Ratio Rationality check. Speed difference between
  • Output speed, > characteristic speed difference = f (output speed), output speed 100; 1100; 8150 RPM
  • Input speed, speed difference 200; 200; 200 RPM
  • Transmission oil temp, > -20°C
  • Forward gear (1 to 6), activated
  • Output speed, > 0 RPM
  • Engine speed, >550 RPM
  • Input speed, > 300 RPM
  • Input speed, OK
  • Stand by control, inactive
  • Time after gear switch, 0.2 s
 3 Symptoms
  • Continuous
  • 2 DCY
P0736 Reverse Incorrect ratio Rationality check. Speed difference between
  • Output speed, > characteristic speed difference = f (output speed), output speed 100; 250; 2000 RPM
  • Input speed, speed difference 500; 500; 300 RPM
  • Transmission oil temp, > -20°C
  • Reverse gear, activated
  • Output speed, > 0 RPM
  • Engine speed, >550 RPM
  • Input speed, > 300 RPM
  • Input speed, OK
  • Stand by control, inactive
  • Time after gear switch, 0.2 s
 3 Symptoms
  • Continuous
  • 2 DCY
P0741 Torque Converter Clutch Circuit Performance or Stuck Off Rationality check. Rate of (setting of nominal value) - actual value, > 50 RPM Status of clutch, closed or closed loop control 15 Seconds
  • Continuous
  • 2 DCY
P0746 Pressure Control Solenoid 'A Performance or Stuck Off Short to Ground (GND)/open circuit. PWM hardware detection, 0 or 100%
  • Low side and high side FET, activated
  • Power supply, > 9 V
  • Voltage drop at FET, = 1 V
  • Solenoid supply, > 9 V
 0.05 Seconds
  • Continuous
  • 2 DCY
P0747 Pressure Control Solenoid 'A Stuck On Short to Battery (+). PWM hardware detection, 0 or 100%
  • Low side and high side FET, activated
  • Power supply, > 9 V
  • Voltage drop at FET, = 1 V
  • Solenoid supply, > 9 V
 0.05 Seconds
  • Continuous
  • 2 DCY
P0748 Pressure Control Solenoid 'A Electrical Rationality check. Current higher or lower than threshold, > (50 + 170) mA
  • Low side and high side FET, activated
  • Power supply, > 9 V
  • Voltage drop at FET, = 1 V
  • Solenoid supply, > 9 V
 0.05 Seconds
  • Continuous
  • 2 DCY
P0751 Shift Solenoid A Performance or Stuck Off
  • Short to Ground (GND)
  • Open circuit
  • If PWM = 0%, diagnosis by ASIC
  • If 0% = PWM , 7.6% voltage return lead (low), 0.15 V
  • If 7.6% = PWM , 92.4% voltage return lead (high), 0.15 V
  • If 7.6% = PWM , 92.4% voltage return lead (low), 0.15 V
  • High side FET voltage drop, = 1 V
  • High side FET, enabled
  • Low side FET, enabled
 0.05 Seconds
  • Continuous
  • 2 DCY
P0752 Shift Solenoid Stuck On Short to Battery (+).
  • If PWM = 100%, diagnosis by ASIC
  • If 7.6% = PWM = 100% voltage return lead (high), >0.3 V
  • High side FET voltage drop, = 1 V
  • High side FET, enabled
  • Low side FET, enabled
 0.05 Seconds
  • Continuous
  • 2 DCY
P0776 Pressure Control Solenoid B Performance or Stuck Off Short to Ground (GND). PWM hardware detection, 0 or 100%
  • Low side and high side FET, activated
  • Power supply, > 9 V
  • Voltage drop at FET, = 1 V
  • Solenoid supply, > 9 V
 0.05 Seconds
  • Continuous
  • 2 DCY
P0777 Pressure Control Solenoid B Stuck On Short to Battery (+)/open circuit. PWM hardware detection, 0 or 100%
  • Low side and high side FET, activated
  • Power supply, > 9 V
  • Voltage drop at FET, = 1 V
  • Solenoid supply, > 9 V
 0.05 Seconds
  • Continuous
  • 2 DCY
P0778 Pressure Control Solenoid B Electrical Rationality check. Current higher or lower than threshold, (850 - 120) mA
  • Low side and high side FET, activated
  • Power supply, > 9 V
  • Voltage drop at FET, = 1 V
  • Solenoid supply, > 9 V
 0.05 Seconds
  • Continuous
  • 2 DCY
P0781 1-2 Shift
  • Mechanical malfunction in transmission
  • Fault detection during gear changes 1-2A
  • Fault detection during gear changes 1-2B
  • Input speed - output speed> threshold, > 500 RPM
  • Input speed - output speed x ratio (0)-
  • Input speed - output speed x ratio (0) threshold
, -30 calculated value 30 RPM
  • Transmission oil temperature, > =- 10°C
  • Engine speed, >=600RPM
  • Range position, no P,R,N
  • Output speed, >=300 RPM
Depending on monitoring function procedure: monitoring function A: at x detected symptoms. Refer to DTC Monitoring function B: at y detected symptom . Refer to DTC		 >=5
  • Continuous
  • 2 DCY
P0781 Load control
  • Mechanical malfunction in transmission
  • Fault detection during gear changes 2-1B
  • Input speed - output speed> threshold
  • Input speed - output speed x ratio (t)-
  • Input speed - output speed x ratio (0) threshold
, -30 calculated value 30 RPM
  • Transmission oil temperature, > =- 10°C
  • Engine speed, >=600RPM
  • Range position, no P,R,N
  • Output speed, >=250 RPM
 >=5
  • Continuous
  • 2 DCY
P0782 2-3 Shift
  • Mechanical malfunction in transmission
  • Fault detection during gear changes 2-3A
  • Fault detection during gear changes 2-3B
  • Input speed - output speed> threshold, > 500 RPM
  • Input speed - output speed x ratio (t)-
  • Input speed - output speed x ratio (0) threshold
, -30 calculated value 30 RPM
  • Transmission oil temperature, > =- 10°C
  • Engine speed, >=600RPM
  • Range position, no P,R,N
  • Output speed, >=300 RPM
Depending on monitoring function procedure: monitoring function A:at x detected symptoms. Refer to DTC Monitoring function B: at y detected symptom . Refer to DTC		 >=5
  • Continuous
  • 2 DCY
P0782 Load control
  • Mechanical malfunction in transmission
  • Fault detection during gear changes 3-2B
  • Input speed - output speed> threshold
  • Input speed - output speed x ratio (t)-
  • Input speed - output speed x ratio (0) threshold
, -30 calculated value 30 RPM
  • Transmission oil temperature, > =- 10°C
  • Engine speed, >=600RPM
  • Range position, no P,R,N
  • Output speed, >=500 RPM
 >=5
  • Continuous
  • 2 DCY
P0783 3-4 Shift
  • Mechanical malfunction in transmission
  • Fault detection during gear changes 3-4A
  • Fault detection during gear changes 3-4B
  • Input speed - output speed> threshold, > 500 RPM
  • Input speed - output speed x ratio (t)-
  • Input speed - output speed x ratio (0) threshold
, -30 calculated value 30 RPM
  • Transmission oil temperature, > =- 10°C
  • Engine speed, >=600RPM
  • Range position, no P,R,N
  • Output speed, >=300 RPM
Depending on monitoring function procedure: monitoring function A:at x detected symptoms. Refer to DTC Monitoring function B: at y detected symptom . Refer to DTC		 >=5
  • Continuous
  • 2 DCY
P0783 Load control
  • Mechanical malfunction in transmission
  • Fault detection during gear changes 4-3B
  • Input speed - output speed> threshold
  • Input speed - output speed x ratio (t)-
  • Input speed - output speed x ratio (0) threshold
, -30 calculated value 30 RPM
  • Transmission oil temperature, > =- 10°C
  • Engine speed, >=600RPM
  • Range position, no P,R,N
  • Output speed, >=700 RPM
 >=5
  • Continuous
  • 2 DCY
P0784 4-5 Shift
  • Mechanical malfunction in transmission
  • Fault detection during gear changes 4-5A
  • Fault detection during gear changes 4-5B
  • Input speed - output speed> threshold, > 500 RPM
  • Input speed - output speed x ratio (t)-
  • Input speed - output speed x ratio (0) threshold
, -30 calculated value 30 RPM
  • Transmission oil temperature, > =- 10°C
  • Engine speed, >=600RPM
  • Range position, no P,R,N
  • Output speed, >=300 RPM
Depending on monitoring function procedure: monitoring function A:at x detected symptoms. Refer to DTC Monitoring function B: at y detected symptom . Refer to DTC		 >=5
  • Continuous
  • 2 DCY
P0784 Load control
  • Mechanical malfunction in transmission
  • Fault detection during gear changes 5-4B
  • Input speed - output speed> threshold
  • Input speed - output speed x ratio (t)-
  • Input speed - output speed x ratio (0) threshold
, -30 calculated value 30 RPM
  • Transmission oil temperature, > =- 10°C
  • Engine speed, >=600RPM
  • Range position, no P,R,N
  • Output speed, >=1200 RPM
 >=5
  • Continuous
  • 2 DCY
P0796 Pressure Control Solenoid C Performance or Stuck Off Short to Ground (GND)/open circuit. PWM hardware detection, 0 or 100%
  • Low side and high side FET, activated
  • Power supply, > 9 V
  • Voltage drop at FET, = 1 V
  • Solenoid supply, > 9 V
 0.05 Seconds
  • Continuous
  • 2 DCY
P0797 Pressure Control Solenoid C Stuck On Short to Battery (+). PWM hardware detection, 0 or 100%
  • Low side and high side FET, activated
  • Power supply, > 9 V
  • Voltage drop at FET, = 1 V
  • Solenoid supply, > 9 V
 0.05 Seconds
  • Continuous
  • 2 DCY
P0798 Pressure Control Solenoid C Electrical Rationality check. Current higher or lower than threshold, > (50 + 170) mA
  • Low side and high side FET, activated
  • Power supply, > 9 V
  • Voltage drop at FET, = 1 V
  • Solenoid supply, > 9 V
 0.05 Seconds
  • Continuous
  • 2 DCY
P0829 Load control
  • Mechanical malfunction in transmission
  • Fault detection during gear changes 6-5B
  • Input speed - output speed> threshold
  • Input speed - output speed x ratio (t)-
  • Input speed - output speed x ratio (0) threshold
, -30 calculated value 30 RPM
  • Transmission oil temperature, > =- 10°C
  • Engine speed, >=600RPM
  • Range position, no P,R,N
  • Output speed, >=1800 RPM
 >=5
  • Continuous
  • 2 DCY
P0889 TCM Power Relay Sense Circuit Range/Performance Rationality check. FET drive, not possible
  • Filtered battery voltage, > 7 V
  • High side and low side FET, enabled
  • Status counter initialization, 0 or 1
 0.03 Seconds
  • Continuous
  • 2 DCY
P0890 TCM Power Relay Sense Circuit Low Short to Ground (GND).
  • Solenoid power supply voltage, 5.5 V
  • Drop voltage over high side FET, > 0.1 V
  • Filtered battery voltage, > 7 V
  • High side and low side FET, enabled
  • Status counter initialization, 0 or 1
 0.03 Seconds
  • Continuous
  • 2 DCY
P0891 TCM Power Relay Sense Circuit High Short to Battery (+). Hardware detection
  • Filtered battery voltage, > 7 V
  • High side and low side FET, enabled
  • Status counter initialization, 0 or 1
 0.03 Seconds
  • Continuous
  • 2 DCY
P0892 TCM Power Relay Sense Circuit Intermittent Open circuit. Hardware detection
  • Filtered battery voltage, > 7 V
  • High side and low side FET, enabled
  • Status counter initialization, 0 or 1
 0.03 Seconds
  • Continuous
  • 2 DCY
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