Section 121 (Transmission Control Module (TCM) - Electrical Diagnostics)
WARNING: This page is about a different car, the 2012 Jeep Patriot and 2012 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
- Diagnostic Code Index
- DTC Troubleshooting
- P0219-Engine OVERSPEED
- P0562-Battery Voltage Low
- P0563-Battery Voltage High
- P0571-Brake Switch 1 Performance
- P0602-Control Module PROGRAMING Error/Not Programmed
- P0610-Ecu Vehicle Options Mismatch
- P0641-Sensor Reference Voltage 1 Circuit
- P0707-Transmission Range Sensor Circuit Low
- P0708-Transmission Range Sensor Circuit High
- P0711-Transmission Temperature Sensor Performance
- P0712-Transmission Temperature Sensor Low
- P0713-Transmission Temperature Sensor High
- P0716-Input Speed Sensor 1 Circuit Performance
- P0717-Input Speed Sensor 1 Circuit No Signal
- P0721-Output Speed Sensor Circuit Performance
- P0722-Output Speed Sensor Circuit No Signal
- P0730-Incorrect Gear Ratio
- P0741-Torque Converter Clutch Circuit Performance
- P0746-Line Pressure Solenoid Performance
- P0776-Secondary Pressure Solenoid Stuck Off (High Pressure)
- P0777-Secondary Pressure Solenoid Stuck On (Low Pressure)
- P0826-Up/Down Shift Switch Circuit
- P0842-Primary Oil Pressure Sensor Circuit Low
- P0843-Primary Oil Pressure Sensor Circuit High
- P0847-Secondary Oil Pressure Sensor Circuit Low
- P0848-Secondary Oil Pressure Sensor Circuit High
- P0962-Pressure Control Solenoid A Control Circuit Low
- P0963-Pressure Control Solenoid A Control Circuit High
- P0966-Pressure Control Solenoid B Control Circuit Low
- P0967-Pressure Control Solenoid B Control Circuit High
- P161B-Battery Disconnect / TCM Internal
- P1661-Sensor Ground Reference Circuit
- P1679-Calibration Not Learned
- P167A-Calibration Mismatch
- P1702-Primary Oil Pressure Sensor / Secondary Oil Pressure Sensor Correlation
- P1723-Lock Up / Select Control Circuit
- P1729-Transmission Ratio Control Circuit
- P1744-Torque Converter Lock-Up Clutch Heat Control
- P198A-AWD System Performance
- P2769-Torque Converter Clutch Circuit Low
- P2770-Torque Converter Clutch Circuit High
- U0001-Can C Bus
- U0100-Lost Communication With ECM/Pcm
- U0121-Lost Communication With Antilock Brake Module
- U0141-Lost Communication With IPM (FCM/TIPM)
- U1146-Lost Communication With External Memory
- U1400-Implausible TPS Signal Received
- U1401-Implausible Engine Speed Signal Received
- U1407-Implausible Engine Torque Request Signal Received
- U140F-Implausible Engine Variant Data
- U1410-Implausible FCM Variant Data
- U1412-Implausible Vehicle Speed Signal Received
- U1424-Implausible Engine Torque Signal Received
- U1425-Implausible Pedal Position Signal Received
- U1426-Implausible TCC Slip Request Signal Received
- U1428-Received Engine Torque Request Signal Stuck
- U1429-Received Engine Torque Signal Stuck
- Standard Procedure