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Automatic Transaxle/Transmission - 6R80 Systems DTCS

TRANSMISSION CONTROL MODULE (TCM) 4.6L/5.4L 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 .
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
 MONITOR the VPWR TCM PID to verify module supply voltage to the TCM  . REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART .
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 
 MONITOR the VPWR TCM PID to verify module supply voltage to the TCM  . REFER to the DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART and the INTRODUCTION - GASOLINE MODELS .
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 .
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
 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 mechatronics 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 mechatronics 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 mechatronics 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
 INSPECT and clean the shift solenoid terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 INSPECT and clean the shift solenoid terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronics 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. MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. REPROGRAM the TCM  first. If the DTC returns, INSTALL a new mechatronics 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
 MONITOR the appropriate PID to validate that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronics 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 mechatronics 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 mechatronics 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 mechatronics 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 mechatronics 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 mechatronics 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
 MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronics 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
 MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronics 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 mechatronics 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 MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronics 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 MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronics 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
 MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new mechatronics 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. MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 272. REFER to DIAGNOSIS BY SYMPTOM .
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. MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 215. REFER to DIAGNOSIS BY SYMPTOM .
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. MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . 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 .
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. MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 221 or 223. REFER to DIAGNOSIS BY SYMPTOM .
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. MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 222 or 271. REFER to DIAGNOSIS BY SYMPTOM .
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. MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 270 or 273. REFER to DIAGNOSIS BY SYMPTOM .
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. MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 202 or 205. REFER to DIAGNOSIS BY SYMPTOM .
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 
 INSTALL a new mechatronics 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 .
P0770 Shift Solenoid E (SSE) SSE  SSE  circuit or solenoid failure.
  • MIL  ON
  • TCIL  ON
  • Default to 3rd or 5th gear
 INSPECT and clean the SSE  terminals at the lead frame for metallic contamination. INSTALL a new SSE  solenoid, REFER to MECHATRONIC ASSEMBLY .
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
 MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 220 or 225. REFER to DIAGNOSIS BY SYMPTOM .
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
 MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 221 or 224. REFER to DIAGNOSIS BY SYMPTOM .
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
 MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 222 or 223. REFER to DIAGNOSIS BY SYMPTOM .
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
 MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 270 or 271. REFER to DIAGNOSIS BY SYMPTOM .
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
 MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, see diagnostic Routine 272 or 273. REFER to DIAGNOSIS BY SYMPTOM .
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
 INSTALL a new mechatronics 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
 INSTALL a new mechatronics 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
 INSTALL a new mechatronics 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
 MONITOR the SSA  PID to verify and monitor SSA  electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the SSA  terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 MONITOR the SSA  PID to verify and monitor SSA  electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the SSA  terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 MONITOR the SSA  PID to verify and monitor SSA  electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the SSA  terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 MONITOR the SSB  PID to verify and monitor SSB  electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the SSB  terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 MONITOR the SSB  PID to verify and monitor SSB electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the SSB  terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 MONITOR the SSB  PID to verify and monitor SSB  electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the SSB  terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 MONITOR the SSC  PID to verify and monitor SSC  electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the SSC  terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 MONITOR the SSC  PID to verify and monitor SSC  electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the SSC  terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 MONITOR the SSC  PID to verify and monitor SSC  electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the SSC  terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 MONITOR the SSD  PID to verify and monitor SSD  electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the SSD  terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 MONITOR the SSD  PID to verify and monitor SSD  electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the SSD  terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 MONITOR the SSD  PID to verify and monitor SSD  electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the SSD  terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 MONITOR the SSE  PID to verify and monitor SSE  electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the SSE  terminals at the lead frame for metallic contamination. INSTALL a new SSE  solenoid if no debris was found, REFER to MECHATRONIC ASSEMBLY .
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
 MONITOR the SSE  PID to verify and monitor SSE electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the SSE terminals at the lead frame for metallic contamination. INSTALL a new SSE solenoid if no debris was found, REFER to MECHATRONIC ASSEMBLY .
P1707 Transmission Park/Neutral (P/N) switch circuit failure Circuit or sensor failure high. Circuit or sensor failure low.
  • Engine will not crank in P or N or engine will crank in all gears
  • TCIL  ON
 MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. CHECK the shift linkage. If the DTC returns, INSTALL a new mechatronics unit. After installing the new mechatronic unit, it must be programmed with the latest calibration.
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
 MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST system for normal operation. If DTC returns, REFER to EXTERIOR LIGHTING .
P1911 Reverse lamp circuit Reverse lamp control circuit shorted to ground. Circuit low Circuit or sensor failure. - MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST system for normal operation. If DTC returns, REFER to EXTERIOR LIGHTING .
P1912 Reverse lamp circuit Reverse lamp control circuit shorted to power. Circuit high Circuit or sensor failure.
  • Park lock or interlock switched OFF
 MONITOR the appropriate PID to verify that an error is present. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST system for normal operation. If DTC returns, REFER to EXTERIOR LIGHTING .
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
 MONITOR the TCC  PID to verify and monitor TCC  electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the TCC  terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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
 MONITOR the TCC  PID to verify and monitor TCC  electrical operation. REFER to DIAGNOSTIC PARAMETERS IDENTIFICATION (PID) CHART . CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSPECT and clean the TCC  terminals at the lead frame for metallic contamination. INSTALL a new mechatronics unit only if no debris was found. 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 mechatronics unit. After installing the new mechatronics 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 - GASOLINE MODELS .
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 - GASOLINE MODELS .
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 - GASOLINE MODELS .
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