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Automatic Transmission DTCS: 6R80

DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Component Description Condition Symptom Action
P0218 Transmission Fluid Temperature (TFT) TFT  condition Transmission Control Module (TCM) has detected a TFT  that has exceeded a set temperature.
  • Aggressive lockup schedule
 PERFORM normal diagnostic for an overheating condition. Refer to DIAGNOSIS BY SYMPTOM in this information.
P0562 Battery System voltage low TCM  has detected a voltage level below minimum voltage to operate solenoids. Maintains current solenoid state.
  • Malfunction Indicator Lamp (MIL) ON
  • Transmission Control Indicator Lamp (TCIL) ON
  • No adaptive strategy
  • No self learning strategy
  • Default to 3rd or 5th gear
  • Battery voltage below 9 volts
 CONNECT the scan tool and monitor the VPWR TCM PID to verify module supply voltage to the TCM  . Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. Go to PINPOINT TEST A .
P0563 Battery System voltage high TCM  has detected a voltage level above maximum voltage.
  • No adaptive strategy
  • No self learning strategy
  • MIL  may turn ON
  • Default to 3rd or 5th gear
  • Battery voltage above 16 volts
  • Will turn on TCIL 
 CONNECT the scan tool and monitor the VPWR TCM PID to verify module supply voltage to the TCM  . Refer to the DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART and the INTRODUCTION .
P0605 TCM  The TCM  Read-Only Memory (ROM) has been corrupted TCM  has detected an internal software concern with ROM  .
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 REPROGRAM the original mechatronic to the latest calibration. CLEAR the DTCs. TEST the system for normal operation. If DTCs return, INSTALL a new mechatronic assembly. After installing the new mechatronic assembly, it must be programmed with the latest calibration. PERFORM the ROAD TEST - ADAPTIVE DRIVE CYCLE . Refer to SHIFT POINT ROAD TEST in this information.
P0613 TCM  TCM  processor TCM  has detected an internal software issue.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 INSTALL a new mechatronic assembly. After installing the new mechatronic assembly, it must be programmed with the latest calibration.
P0634 TCM  TCM  module temperature Internal temperature within TCM  too high.
Possible restriction in cooling circuit.
  • MIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the TFT  PID to verify that a high temperature is present. INSPECT the transmission fluid cooler tubes for possible restrictions (kinked or bent cooler tube). VERIFY correct operation/orientation of the thermal bypass valve. INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0641 TCM  TCM  module sensor voltage failed Sensor reference voltage A circuit open, voltage too high or too low.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
  • Low battery voltage under 9 volts. May also cause P0562
 INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0657 TCM  Actuator supply voltage A circuit open Power supply actuators open circuit.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0658 TCM  Actuator supply voltage A circuit low Power supply actuators short circuit to ground.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road Test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0659 TCM  Actuator supply voltage A circuit high Actuator power supply short circuit to power before key ON.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road Test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0667 TCM  PCM/ECM/ TCM  internal temperature sensor range/performance Substrate temperature sensor.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0701 Transmission control system Transmission control system range/performance TCM  has detected a concern with the operational strategy.
  • TCIL  ON
  • One or more DTCs set causing transmission default to a hydraulic limp-home mode
  • Default to 3rd or 5th gear
 Multiple DTC failure with conflicting failure mode actions. If other DTCs are present, REPAIR them first. CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. REPROGRAM the TCM  first. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0705 Transmission Range (TR) sensor TR  sensor circuit error TCM  has detected a TR  signal (P, R, N, D, 3, 2 or 1) is out of range.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the appropriate PID to validate that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0711 TFT  sensor TFT  sensor circuit range/performance TCM  has detected no TFT  change during operation.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
  • No TCC 
 INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0712 TFT  sensor TFT  sensor A circuit low TCM  has detected a voltage drop across the TFT  sensor exceeds scale set for temperature (grounded circuit).
  • MIL  ON
  • TCIL  ON
  • No TCC 
 INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0713 TFT  sensor TFT  sensor A circuit high TCM  has detected a voltage drop across the TFT  sensor; exceeds scale set for temperature.
  • MIL  ON
  • TCIL  ON
  • No TCC 
 INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0714 TFT  sensor TFT  sensor A circuit intermittent TCM  has detected no TFT  intermittent operation.
  • MIL  ON
  • TCIL  ON
  • No TCC 
 INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0715 Turbine Shaft Speed (TSS) sensor TSS  sensor A circuit TSS  has detected a short circuit to power.
  • MIL  ON
  • TCIL  ON
  • No TCC  engagements
  • Maximum line pressure
  • No adaptive learning strategy
  • Default to 3rd gear
 INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0716 TSS  sensor TSS  sensor A circuit range/performance TCM  has detected a loss or noisy TSS  signal during operation.
  • MIL  ON
  • TCIL  ON
  • No TCC 
  • Maximum line pressure
  • No adaptive learning strategy
  • Default to 3rd gear
 CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0717 TSS  sensor No TSS  sensor A circuit no signal TCM  has not detected a TSS  signal. No TSS  signal when Output Shaft Speed (OSS) signal is present.
  • MIL  ON
  • TCIL  ON
  • No TCC 
  • Maximum line pressure
  • No adaptive learning strategy
  • Default to 3rd gear
 CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0720 OSS  sensor No OSS  sensor circuit TCM  has detected an OSS  short circuit to power. MIL  ON INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0721 OSS  sensor OSS  sensor circuit range/performance TCM  has detected a loss or noisy OSS  signal during operation. MIL  ON CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0722 OSS  sensor No OSS  sensor no signal TCM  has not detected a OSS  signal. No OSS  signal when OSS  signal is present. MIL  ON CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0723 OSS  sensor No OSS  sensor circuit intermittent TCM  has detected an intermittent signal.
  • MIL  ON
  • TCIL  ON
  • No TCC 
  • Hold in gear currently selected
  • Maximum line pressure
  • No adaptive learning strategy
 CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0729 Transmission Gear 6 incorrect ratio No 6th gear ratio detected by the TCM  .
  • MIL  ON
  • TCIL  ON
  • No 6th gear
  • No TCC 
  • No adaptive learning strategy
  • Maximum line pressure
  • Default to 5th gear
  • FOLLOW preliminary diagnostics. CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 272. Refer to DIAGNOSIS BY SYMPTOM in this information.
P0731 Transmission Gear 1 incorrect ratio No 1st gear ratio detected by the TCM  .
  • MIL  ON
  • TCIL  ON
  • No 1st gear
  • No TCC 
  • No adaptive learning strategy
  • Default to 3rd gear
  • Maximum line pressure
 FOLLOW preliminary diagnostics. CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 215. Refer to DIAGNOSIS BY SYMPTOM in this information.
P0732 Transmission Gear 2 incorrect ratio No 2nd gear ratio detected by the TCM  .
  • MIL  ON
  • TCIL  ON
  • No TCC  engagements
  • No adaptive learning strategy
  • Default to 3rd gear
  • Maximum line pressure
 FOLLOW preliminary diagnostics. CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 220, 224 and 217. Refer to DIAGNOSIS BY SYMPTOM in this information.
P0733 Transmission Gear 3 incorrect ratio No 3rd gear ratio detected by the TCM  .
  • MIL  ON
  • TCIL  ON
  • No TCC 
  • No adaptive learning strategy
  • Default to 4th gear
  • Maximum line pressure
 FOLLOW preliminary diagnostics. CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 221 or 223. Refer to DIAGNOSIS BY SYMPTOM in this information.
P0734 Transmission Gear 4 incorrect ratio No 4th gear ratio detected by the TCM  .
  • MIL  ON
  • TCIL  ON
  • No TCC 
  • No adaptive learning strategy
  • Default to 3rd gear
  • Maximum line pressure
 FOLLOW preliminary diagnostics. CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 222 or 271. Refer to DIAGNOSIS BY SYMPTOM in this information.
P0735 Transmission Gear 5 incorrect ratio No 5th gear ratio detected by the TCM  .
  • MIL  ON
  • TCIL  ON
  • No TCC  No adaptive learning strategy
  • Default to 3rd gear
  • Maximum line pressure
 FOLLOW preliminary diagnostics. CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 270 or 273. Refer to DIAGNOSIS BY SYMPTOM in this information.
P0736 Transmission Reverse incorrect ratio No reverse gear ratio detected by the TCM  .
  • MIL  ON
  • No TCC 
  • No adaptive learning strategy
  • Default to 4th gear
  • Maximum line pressure
 FOLLOW preliminary diagnostics. CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 202 or 205. Refer to DIAGNOSIS BY SYMPTOM in this information.
P0740 TCC  solenoid TCC  solenoid circuit open TCC  solenoid VFS  6 circuit fails. Circuit open.
  • MIL  ON
  • TCIL  ON
  • No adaptive learning strategy
  • Default to 3rd or 5th gear
  • No TCC 
 CONNECT the scan tool and monitor the TCC  PID to verify TCC  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0741 TCC  TCC  solenoid circuit performance or stuck off TCC  solenoid VFS 6, clutch or circuit open.
  • MIL  ON
  • TCIL  ON
  • No TCC 
 PERFORM normal diagnostics for TCC  . FOLLOW diagnostic Routines 240, 241 and 242. Refer to DIAGNOSIS BY SYMPTOM in this information.
P0742 TCC  Solenoid TCC  solenoid circuit stuck on The TCM  has detected a TCC  solenoid control circuit shorted to ground.
  • MIL  ON
  • TCC  is disabled
  • Poor launch performance
  • Maximum line pressure
  • Default to 5th gear
  • DTC P0743 may be set
 CONNECT the scan tool and monitor the TCC  PID to verify TCC  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0743 TCC  Solenoid TCC  solenoid circuit electrical The TCM  has detected a TCC  solenoid circuit open, shorted to ground or an intermittent.
  • TCIL  ON
  • TCC  is disabled
  • Maximum line pressure
  • Poor launch performance
  • Default to 5th gear
  • DTCs P0740, P0742 or P0744 may be set
 CONNECT the scan tool and monitor the TCC  PID to verify TCC  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0744 TCC  Solenoid TCC  solenoid circuit intermittent The TCM  has detected the TCC  solenoid control circuit shorted to power.
  • MIL  ON
  • TCC  is disabled
  • DTC P0743 may be set
 CONNECT the scan tool and monitor the TCC  PID to verify TCC  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0748 Pressure Control Solenoid A (PCA) PCA  electrical The TCM  will set this DTC along with one or more specific electrical DTCs.
  • TCIL  ON
  • Maximum line pressure
  • Default to 5th gear
  • DTCs P0960, P0962 or P0963 may be set
 CONNECT the scan tool and monitor the PCA  PID to verify PCA  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0750 Shift Solenoid A (SSA) SSA  The TCM  has detected that the SSA  circuit failed open or shorted to power.
  • MIL  ON
  • 5th and 6th gear only
  • Poor launch performance
  • DTC P0753 may be set
 CONNECT the scan tool and monitor the SSA  PID to verify SSA  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0751 SSA  SSA  performance/stuck off The TCM  commanded SSA  ON but detected a ratio error (mechanical failure).
  • MIL  ON
  • 5th or 6th gear only
  • Harsh reverse engagement
  • Neutral or flair condition on downshift
  • Poor launch performance
  • DTC P2700 may be set
 DTC P0751 is a non-electrical DTC. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, refer to DIAGNOSIS BY SYMPTOM in this information.
P0752 SSA  SSA  stuck on The TCM  commanded SSA  OFF but detected a ratio error (mechanical failure).
  • MIL  ON
  • Disable 5th and 6th gear
  • Erratic shifts
  • Stuck in 4th gear
  • DTC P2700 may be set
 DTC P0752 is a non-electrical DTC. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, refer to DIAGNOSIS BY SYMPTOM in this information.
P0753 SSA  SSA  electrical The TCM  will set this DTC along with one or more specific electrical DTCs.
  • TCIL  ON
  • 5th and 6th gear only
  • DTCs P0750, P0973 or P0974 may be set
 CONNECT the scan tool and monitor the SSA  PID to verify SSA  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0754 SSA  SSA  intermittent The TCM  will set this DTC when an intermittent condition (open, short to power or ground) occurs three times for less than 5 seconds with each occurrence.
  • MIL  ON
  • Unexpected upshifts, downshifts, flairs or neutral conditions
 CONNECT the scan tool and monitor the SSA  PID to verify SSA  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0755 Shift Solenoid B (SSB) SSB  The TCM  has detected that the SSB  circuit has failed open or shorted to power.
  • MIL  ON
  • 3rd and 5th gear only
  • Harsh 1-3 shift
  • DTC P0758 may be set
 CONNECT the scan tool and monitor the SSB  PID to verify SSB  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0756 SSB  SSB  performance/stuck off The TCM  commanded SSB  ON but detected a ratio error (mechanical failure).
  • MIL  ON
  • Disable 3rd and 5th gear
  • Neutral or flair condition
  • Transmission hangs in 2nd on acceleration
  • DTC P2701 may be set
 DTC P0756 is a non-electrical DTC. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, refer to DIAGNOSIS BY SYMPTOM in this information.
P0757 SSB  SSB  stuck on The TCM  commanded SSB  OFF but detected a ratio error (mechanical failure).
  • MIL  ON
  • Disable 3rd and 5th gear
  • Neutral or flair condition
  • Erratic shifts
  • DTC P2701 may set
 DTC P0757 is a non-electrical DTC. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, refer to DIAGNOSIS BY SYMPTOM in this information.
P0758 SSB  SSB  electrical The TCM  will set this DTC along with one or more specific electrical DTCs.
  • TCIL  ON
  • Default to 3rd or 5th gear depending on the DTC
  • Minimum or maximum line pressure depending on the DTC (failed voltage high or voltage low)
  • DTCs P0755, P0976 or P0977 may be set
 CONNECT the scan tool and monitor the SSB  PID to verify SSB  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0759 SSB  SSB  intermittent The TCM  will set this DTC when an intermittent condition (open, short to power or ground) occurs three times for less than 5 seconds with each occurrence.
  • MIL  ON
  • Unexpected upshifts, downshifts, flairs or neutral conditions
 CONNECT the scan tool and monitor the SSB  PID to verify SSB  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0760 Shift Solenoid C (SSC) SSC  The TCM  detected that he SSC  circuit failed open.
  • MIL  ON
  • Disable 2nd and 6th gear
  • Erratic or harsh 1-3 shift
  • DTC P0763 may be set
 CONNECT the scan tool and monitor the SSC  PID to verify SSC  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0761 SSC  SSC  performance/stuck off The TCM  commanded SSC  ON but detected a ratio error (mechanical failure).
  • MIL  ON
  • Disable 2nd and 6th gear
  • Neutral or flair condition
  • DTC P2702 may be set
 DTC P0761 is a non-electrical DTC. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, refer to DIAGNOSIS BY SYMPTOM in this information.
P0762 SSC  SSC  stuck on The TCM  commanded SSC  OFF but detected a ratio error (mechanical failure).
  • MIL  ON
  • 2nd and 6th gear only
  • Harsh reverse engagement
  • Erratic shift or stuck in 6th
  • DTC P2702 may be set
 DTC P0762 is a non-electrical DTC. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, refer to DIAGNOSIS BY SYMPTOM in this information.
P0763 SSC  SSC  electrical The TCM  will set this DTC along with one or more specific electrical DTCs.
  • TCIL  ON
  • Default to 2nd and 6th gear or 1st and 3rd depending on the DTC
  • Minimum or maximum line pressure depending on the DTC (failed voltage high or voltage low)
  • DTCs P0760, P0979 or P0980 may be set
 CONNECT the scan tool and monitor the SSC  PID to verify SSC  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0764 SSC  SSC  intermittent The TCM  will set this DTC when an intermittent condition (open, short to power or ground) occurs three times for less than 5 seconds with each occurrence.
  • MIL  ON
  • Unexpected upshifts, downshifts, flairs or neutral conditions
 CONNECT the scan tool and monitor the SSC  PID to verify SSC  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0765 Shift Solenoid D (SSD) SSD  The TCM  detected that the SSD  circuit failed open.
  • MIL  ON
  • TCIL  ON
  • Disable 1st gear
  • DTC P0768 may be set
 CONNECT the scan tool and monitor the SSD  PID to verify SSD  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0766 SSD  SSD  performance/stuck off The TCM  commanded SSD  ON but detected a ratio error (mechanical failure).
  • MIL  ON
  • 2nd and 3rd gear only
  • Delayed or no reverse engagement
  • DTC P2703 and/or DTC P2704 may be set
 DTC P0766 is a non-electrical DTC. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, refer to DIAGNOSIS BY SYMPTOM in this information.
P0767 SSD  SSD  stuck on The TCM  commanded SSD  OFF but detected a ratio error (mechanical failure).
  • MIL  ON
  • 4th gear only
  • DTC P2704 may be set
 DTC P0767 is a non-electrical DTC. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, refer to DIAGNOSIS BY SYMPTOM in this information.
P0768 SSD  SSD  electrical The TCM  will set this DTC along with one or more specific electrical DTCs.
  • TCIL  ON
  • Disable 1st gear or 3rd gear only depending on the DTC
  • Minimum or maximum line pressure depending on the DTC (failed voltage high or voltage low)
  • DTCs P0765, P0982 or P0983 may be set
 CONNECT the scan tool and monitor the SSD  PID to verify SSD  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0769 SSD  SSD  intermittent The TCM  will set this DTC when an intermittent condition (open, short to power or ground) occurs three times for less than 5 seconds with each occurrence.
  • MIL  ON
  • Unexpected upshifts, downshifts, flairs or neutral conditions
 CONNECT the scan tool and monitor the SSD PID to verify SSD electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0770 Shift Solenoid E (SSE) SSE  SSE  circuit or solenoid failure.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSE  PID to verify SSE  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. MEASURE the resistance of SSE  . If the value is not between 9.5 to 10.5 ohms, INSTALL a new SSE  , refer to MECHATRONIC ASSEMBLY in this information. If the value is between 9.5 to 10.5 ohms, REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0771 SSE  SSE  performance/stuck off The TCM  commanded SSE  ON but detected a ratio error (mechanical failure).
  • MIL  ON
  • 1st, 2nd and 3rd gear only
  • Erratic shifting, flairs or neutral condition
  • DTC P0984 may be set
 DTC P0771 is a non-electrical DTC. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, refer to DIAGNOSIS BY SYMPTOM in this information.
P0772 SSE  SSE  stuck on The TCM  commanded SSE  OFF but detected a ratio error (mechanical failure).
  • MIL  ON
  • Disable 1st, 2nd and 3rd gear
  • 4th gear launch
  • DTC P0984 may be set
 DTC P0772 is a non-electrical DTC. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, refer to DIAGNOSIS BY SYMPTOM in this information.
P0773 SSE  SSE  electrical The TCM  will set this DTC along with one or more specific electrical DTCs.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
  • DTC P0770 may be set
 CONNECT the scan tool and monitor the SSE  PID to verify SSE  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. MEASURE the resistance of SSE  . If the value is not between 9.5 to 10.5 ohms, INSTALL a new SSE  , refer to MECHATRONIC ASSEMBLY in this information. If the value is between 9.5 to 10.5 ohms, REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0774 SSE  SSE  intermittent The TCM  will set this DTC when an intermittent condition (open, short to power or ground) occurs three times for less than 5 seconds with each occurrence.
  • TCIL  ON
  • Hangs In 1st gear
  • Default to 3rd or 5th gear
  • DTC P0770 may be set
 CONNECT the scan tool and monitor the SSE  PID to verify SSE  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. MEASURE the resistance of SSE  . If the value is not between 9.5 to 10.5 ohms, INSTALL a new SSE  , refer to MECHATRONIC ASSEMBLY in this information. If the value is between 9.5 to 10.5 ohms, REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P07A8 Friction Element D Friction element D performance/stuck off The Low/Reverse clutch failed off, ratio error (mechanical failure)
  • Disable 1st gear
  • Delayed or no reverse engagement
 DTC P07A8 is a non-electrical DTC. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, refer to DIAGNOSIS BY SYMPTOM in this information.
P07A9 Friction Element D Friction element D stuck on The Low/Reverse clutch failed on, ratio error (mechanical failure)
  • 1st gear only
  • High engine RPM
 DTC P07A9 is a non-electrical DTC. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, refer to DIAGNOSIS BY SYMPTOM in this information.
P07AA Friction Element E Friction element E performance/stuck off Clutch 4, 5, 6 failed off, ratio error (mechanical failure)
  • Disable 4th, 5th and 6th gear
  • Erratic shifts, neutral conditions, flair or high engine RPM
 DTC P07AA is a non-electrical DTC. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, refer to DIAGNOSIS BY SYMPTOM in this information.
P0781 Transmission 1-2 or 2-1 shift error Incorrect ratio calculated during shift 1-2 or 2-1.
  • Incorrect gear selection depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material)
  • MIL  ON
  • TCIL  ON
  • No TCC 
  • No adaptive learning strategy
  • Hold in 3rd, 2nd or 4th gear
 CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 220 or 225. Refer to DIAGNOSIS BY SYMPTOM in this information.
P0782 Transmission 2-3 or 3-2 shift error Incorrect ratio calculated during shift 2-3.
  • Incorrect gear selection depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material)
  • MIL  ON
  • TCIL  ON
  • No TCC 
  • No adaptive learning strategy
  • Hold in 4th, 3rd or 2nd gear
 CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 221 or 224. Refer to DIAGNOSIS BY SYMPTOM in this information.
P0783 Transmission 3-4 or 4-3 shift error Incorrect ratio calculated during shift 3-4 or 4-3.
  • Incorrect gear selection depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material)
  • MIL  ON
  • TCIL  ON
  • No TCC 
  • No adaptive learning strategy
  • Default to 3rd or 4th gear
 CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 222 or 223. Refer to DIAGNOSIS BY SYMPTOM in this information.
P0784 Transmission 4-5 or 5-4 shift error Incorrect ratio calculated during shift 4-5 or 5-4.
  • Incorrect gear selection depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material)
  • MIL  ON
  • TCIL  ON
  • No TCC 
  • No adaptive learning strategy
  • Default to 4th or 5th gear
 CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 270 or 271. Refer to DIAGNOSIS BY SYMPTOM in this information.
P0829 Transmission 5-6 or 6-5 shift error Incorrect ratio calculated during shift 5-6 or 6-5.
  • Incorrect gear selection depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material)
  • MIL  ON
  • TCIL  ON
  • No TCC 
  • Default to 2nd or 3rd gear
 CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 272 or 273. Refer to DIAGNOSIS BY SYMPTOM in this information.
P0960 Pressure Control Solenoid A (PCA) PCA  control circuit open PCA  circuit failed during operation.
  • MIL  ON
  • TCIL  ON
  • No adaptive strategy
  • Maximum line pressure
 CONNECT the scan tool and monitor the PCA  PID to verify PCA  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0962 PCA  PCA  control circuit low Voltage through PCA  was not detected when the solenoid was commanded on.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the PCA  PID to verify PCA  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0963 PCA  PCA  circuit high Voltage through PCA  was not detected when the solenoid was commanded on.
  • MIL  ON
  • TCIL  ON
  • Maximum line pressure
  • No adaptive strategy
 CONNECT the scan tool and monitor the PCA  PID to verify PCA  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0972 Shift Solenoid A (SSA) SSA  control circuit range/performance SSA  control circuit or solenoid failure.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSA  PID to verify SSA  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0973 SSA  SSA  control circuit low Voltage through SSA  was not detected when the solenoid was commanded off. Short to ground detected.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSA  PID to verify SSA  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0974 SSA  SSA  control circuit high Voltage through SSA  was not detected when the solenoid was commanded on. Open or short to power detected.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSA  PID to verify SSA  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0975 Shift Solenoid B (SSB) SSB  control circuit range/performance SSB  control circuit or solenoid failure.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSB  PID to verify SSB  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0976 SSB  SSB  circuit low Voltage through SSB  was not detected when the solenoid was commanded off. Short to ground detected.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSB  PID to verify SSB  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0977 SSB  SSB  circuit high Voltage through SSB  was not detected when the solenoid was commanded on. Open or short to power detected.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSB  PID to verify SSB  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0978 Shift Solenoid C (SSC) SSC  control circuit range/performance SSC  control circuit or solenoid failure.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSC  PID to verify SSC  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0979 SSC  SSC  control circuit low Voltage through SSC  was not detected when the solenoid was commanded off. Short to ground detected.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSC  PID to verify SSC  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0980 SSC  SSC  control circuit high Voltage through SSC  was not detected when the solenoid was commanded on. Open or short to power detected.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSC  PID to verify SSC  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0981 Shift Solenoid D (SSD) SSD  control circuit range/performance SSD  control circuit or solenoid failure.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSD  PID to verify SSD  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0982 SSD  SSD  control circuit low Voltage through SSD  was not detected when the solenoid was commanded off. Short to ground detected.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSD  PID to verify SSD  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0983 SSD  SSD  control circuit high Voltage through SSD  was not detected when the solenoid was commanded on. Open or short to power detected.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSD  PID to verify SSD  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0985 SSE  SSE  control circuit low Voltage through SSE  was not detected when the solenoid was commanded off. Short to ground detected.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSE  PID to verify SSE  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. MEASURE the resistance of SSE  . If the value is not between 9.5 to 10.5 ohms, INSTALL a new SSE  , refer to MECHATRONIC ASSEMBLY in this information. If the value is between 9.5 to 10.5 ohms, REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P0986 SSE  SSE  control circuit high Voltage through SSE  was not detected when the solenoid was commanded on. Open or short to power detected.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the SSE  PID to verify SSE  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the shift solenoid terminals at the leadframe for metallic contamination. MEASURE the resistance of SSE  . If the value is not between 9.5 to 10.5 ohms, INSTALL a new SSE  , refer to MECHATRONIC ASSEMBLY in this information. If the value is between 9.5 to 10.5 ohms, REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P1705 TR  sensor TR  circuit not indicating park/neutral during self-test TR  circuit not indicating park/neutral during Key ON Engine OFF (KOEO) or Key ON Engine Running (KOER) self-test. - VERIFY the selector lever is in PARK or NEUTRAL. CLEAR the DTC. RERUN the KOEO  and/or KOER  self-test. TEST the system for normal operation.
P1910 Reverse lamp circuit Reverse lamp control circuit open Control circuit or sensor failure.
  • Park lock or interlock switched OFF
  • Reverse lamps may be on at all times
  • Reverse may not come on
 CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST system for normal operation. If DTC returns, refer to EXTERIOR LIGHTING SYSTEM .
P1911 Reverse lamp circuit Reverse lamp control circuit shorted to ground. Circuit low Circuit or sensor failure. - CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST system for normal operation. If DTC returns, refer to EXTERIOR LIGHTING SYSTEM .
P1912 Reverse lamp circuit Reverse lamp control circuit shorted to power. Circuit high Circuit or sensor failure.
  • Park lock or interlock switched OFF
 CONNECT the scan tool and monitor the appropriate PID to verify that an error is present. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST system for normal operation. If DTC returns, refer to EXTERIOR LIGHTING SYSTEM .
P2763 TCC  TCC  pressure control solenoid control circuit high. Voltage through TCC  was not detected when the solenoid was commanded on. Short to power detected.
  • MIL  ON
  • TCIL  ON
  • No TCC 
  • No adaptive learning strategy
  • Default to 3rd or 5th gear
 CONNECT the scan tool and monitor the TCC  PID to verify TCC  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P2764 TCC  TCC  pressure control solenoid control circuit low. TCC  was not detected when the solenoid was commanded on. Short to ground detected.
  • MIL  ON
  • TCIL  ON
  • No TCC 
  • No adaptive learn strategy
 CONNECT the scan tool and monitor the TCC  PID to verify TCC  electrical operation. Refer to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART in this information. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, REMOVE the mechatronic unit. INSPECT and clean the solenoid terminals at the leadframe for metallic contamination. REINSTALL the mechatronic unit. CONNECT the scan tool and CLEAR the DTCs. Road test the vehicle and check for DTCs. If the DTC returns, INSTALL a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
P062F TCM  Internal control module EEPROM error Internal TCM  with Electrically Erasable Programmable Read-Only Memory (EEPROM) error.
  • MIL  ON
  • Mechanical limp-home mode
 CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, install a new mechatronic unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
U0073 Controller Area Network (CAN) Control module communication bus off CAN  communication bus off, short circuit CAN  high to CAN  low.
  • TCIL  ON
  • No TCC 
  • No adaptive learn strategy
  • Default to 3rd gear
  • Maximum line pressure
 Refer to INTRODUCTION .
U0100 CAN  Lost communication with ECM/PCM A CAN  link error detected by TCM  , between TCM  and PCM.
  • TCIL  ON
  • No TCC 
  • No adaptive learn strategy
  • Default to 3rd gear
  • Maximum line pressure
 Refer to INTRODUCTION .
U0155 CAN  Lost communication with Instrument Cluster (IC) control module CAN  link error detected by the TCM  and IC  .
  • No communication with the IC 
 Refer to INTRODUCTION .
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