LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Fiat >> 2013 >> 500c Pop, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics >> Diagnostic Code Index
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Code Index

DIAGNOSTIC CODE INDEX

DTC Description
P0561  SYSTEM VOLTAGE UNSTABLE
P0562  BATTERY/SYSTEM VOLTAGE LOW
P0563  BATTERY/SYSTEM VOLTAGE HIGH
P0601  INTERNAL CONTROL MODULE MEMORY CHECKSUM ERROR
P0603  INTERNAL CONTROL MODULE KEEP ALIVE MEMORY (KAM) ERROR
P0604  INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR
P0657  ACTUATOR SUPPLY VOLTAGE "A" CIRCUIT/OPEN
P0705  TRANSMISSION RANGE SENSOR "A" CIRCUIT (PRNDL INPUT)
P0707  TRANSMISSION RANGE SENSOR "A" CIRCUIT LOW
P0708  TRANSMISSION RANGE SENSOR "A" CIRCUIT HIGH
P0711  TRANSMISSION FLUID TEMPERATURE SENSOR "A" CIRCUIT RANGE/PERFORMANCE
P0712  TRANSMISSION FLUID TEMPERATURE SENSOR "A" CIRCUIT LOW
P0713  TRANSMISSION FLUID TEMPERATURE SENSOR "A" CIRCUIT HIGH
P0715  INPUT/TURBINE SPEED SENSOR "A" CIRCUIT
P0717  INPUT/TURBINE SPEED SENSOR "A" CIRCUIT NO SIGNAL
P0720  OUTPUT SPEED SENSOR CIRCUIT
P0722  OUTPUT SPEED SENSOR CIRCUIT NO SIGNAL
P0729  GEAR 6 INCORRECT RATIO
P072D  STUCK IN GEAR 2
P072E  STUCK IN GEAR 3
P072F  STUCK IN GEAR 4
P0731  GEAR 1 INCORRECT RATIO
P0732  GEAR 2 INCORRECT RATIO
P0733  GEAR 3 INCORRECT RATIO
P0734  GEAR 4 INCORRECT RATIO
P0735  GEAR 5 INCORRECT RATIO
P073A  STUCK IN GEAR 5
P073B  STUCK IN GEAR 6
P0741  TORQUE CONVERTER CLUTCH CIRCUIT PERFORMANCE/STUCK OFF
P0742  TORQUE CONVERTER CLUTCH CIRCUIT STUCK ON
P0748  PRESSURE CONTROL SOLENOID "A" ELECTRICAL
P0777  PRESSURE CONTROL SOLENOID "B" STUCK ON
P0778  PRESSURE CONTROL SOLENOID "B" ELECTRICAL
P0797  PRESSURE CONTROL SOLENOID "C" STUCK ON
P0798  PRESSURE CONTROL SOLENOID "C" ELECTRICAL
P0867  TRANSMISSION FLUID PRESSURE
P0868  TRANSMISSION FLUID PRESSURE LOW
P0949  AUTO SHIFT MANUAL ADAPTIVE LEARNING NOT COMPLETE
P0962  PRESSURE CONTROL SOLENOID "A" CONTROL CIRCUIT LOW
P0963  PRESSURE CONTROL SOLENOID "A" CONTROL CIRCUIT HIGH
P0965  PRESSURE CONTROL SOLENOID "B" CONTROL CIRCUIT RANGE/PERFORMANCE
P0966  PRESSURE CONTROL SOLENOID "B" CONTROL CIRCUIT LOW
P0967  PRESSURE CONTROL SOLENOID "B" CONTROL CIRCUIT HIGH
P0970  PRESSURE CONTROL SOLENOID "C" CONTROL CIRCUIT LOW
P0971  PRESSURE CONTROL SOLENOID "C" CONTROL CIRCUIT HIGH
P0973  SHIFT SOLENOID "A" CONTROL CIRCUIT LOW
P0974  SHIFT SOLENOID "A" CONTROL CIRCUIT HIGH
P0976  SHIFT SOLENOID "B" CONTROL CIRCUIT LOW
P0977  SHIFT SOLENOID "B" CONTROL CIRCUIT HIGH
P1C4F  ESM DTC PRESENT
P1C50  INCORRECT TRANSMISSION
P1C51  GEAR 1 INCORRECT RATIO DURING ENGINE BRAKING
P1C52  PRESSURE CONTROL SOLENOID "C" STUCK ON DURING GEAR 1 ENGINE BRAKING
P1C53  PRESSURE CONTROL SOLENOID "D" OR "E" STUCK ON DURING GEAR 1 ENGINE BRAKING
P1D84  ETC SYSTEM FAILURE
P2715  PRESSURE CONTROL SOLENOID "D" STUCK ON
P2716  PRESSURE CONTROL SOLENOID "D" ELECTRICAL
P2719  PRESSURE CONTROL SOLENOID "D" CONTROL CIRCUIT RANGE/PERFORMANCE
P2720  PRESSURE CONTROL SOLENOID "D" CONTROL CIRCUIT LOW
P2721  PRESSURE CONTROL SOLENOID "D" CONTROL CIRCUIT HIGH
P2724  PRESSURE CONTROL SOLENOID "E" STUCK ON
P2727  PRESSURE CONTROL SOLENOID "E" CONTROL CIRCUIT/OPEN
P2729  PRESSURE CONTROL SOLENOID "E" CONTROL CIRCUIT LOW
P2730  PRESSURE CONTROL SOLENOID "E" CONTROL CIRCUIT HIGH
P2761  TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT/OPEN
P2763  TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT
P2764  TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT LOW
U0077  CONTROL MODULE COMMUNICATION BUS OFF
U0100  LOST COMMUNICATION WITH ECM/PCM
U0103  LOST COMMUNICATION WITH ELECTRIC GEAR SHIFT MODULE
U0121  LOST COMMUNICATION WITH ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE
U0140  LOST COMMUNICATION WITH BODY CONTROL MODULE
U1106  CAN C SIGNAL MISSING
U11BD  IMPLAUSIBLE FRONT WHEEL SPEED SIGNAL RECEIVED
U11C0  IMPLAUSIBLE MANUAL SHIFT LEVER SIGNAL RECEIVED
U1400  IMPLAUSIBLE TPS SIGNAL RECEIVED
U1401  IMPLAUSIBLE ENGINE SPEED SIGNAL RECEIVED
U1402  IMPLAUSIBLE ENGINE TEMPERATURE SIGNAL RECEIVED
U1404  IMPLAUSIBLE STATIC ENGINE TORQUE SIGNAL RECEIVED
U1408  IMPLAUSIBLE BRAKE SIGNAL RECEIVED
U140B  IMPLAUSIBLE LEFT REAR WHEEL SPEED SIGNAL RECEIVED
U140C  IMPLAUSIBLE RIGHT REAR WHEEL SPEED SIGNAL RECEIVED