Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2023CHEROKEE TRAILHAWKREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESDRIVETRAIN CONTROL MODULE (DTCM) - DIAGNOSTIC CODE INDEXDIAGNOSTIC CODE INDEX
2023 Jeep Cherokee Trailhawk
Diagnostic Code Index
2023 Jeep Cherokee TrailhawkSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| C008E-00 | ECU INTERNAL PERFORMANCE |
| C1078-00 | TIRE REVOLUTIONS RANGE PERFORMANCE |
| C14A7-97 | PTU MOTOR - COMPONENT OR SYSTEM OPERATION OBSTRUCTED OR BLOCKED |
| C14A8-97 | RDU MOTOR - COMPONENT OR SYSTEM OPERATION OBSTRUCTED OR BLOCKED |
| C140B-11 | TRANSFER CASE MOTOR - CIRCUIT SHORT TO GROUND |
| C140B-12 | TRANSFER CASE MOTOR - CIRCUIT SHORT TO BATTERY |
| C140B-13 | TRANSFER CASE MOTOR - CIRCUIT OPEN |
| C140B-4B | TRANSFER CASE MOTOR - OVER TEMPERATURE |
| C1415-92 | TRANSFER CASE MOTOR CURRENT - PERFORMANCE OR INCORRECT OPERATION |
| C1440-11 | TRANSFER CASE CLUTCH PRESSURE SENSOR - CIRCUIT SHORT TO GROUND |
| C1440-12 | TRANSFER CASE CLUTCH PRESSURE SENSOR - CIRCUIT SHORT TO BATTERY |
| C1440-1C | TRANSFER CASE CLUTCH PRESSURE SENSOR - CIRCUIT VOLTAGE OUT OF RANGE |
| C1440-64 | TRANSFER CASE CLUTCH PRESSURE SENSOR - SIGNAL PLAUSIBILITY FAILURE |
| C1472-92 | TRANSFER CASE CLUTCH CONTROL - PERFORMANCE OR INCORRECT OPERATION |
| C1477-4B | TRANSFER CASE CLUTCH - OVER TEMPERATURE |
| C1492-00 | PTU INTERNAL PERFORMANCE |
| C1493-00 | RDM INTERNAL PERFOMANCE |
| C1494-92 | PTU FORK POSITION - PERFORMANCE OR INCORRECT OPERATION |
| C1495-16 | PTU - CIRCUIT VOLTAGE BELOW THRESHOLD |
| C1495-17 | PTU - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| C1495-98 | PTU - COMPONENT OR SYSTEM OVER TEMPERATURE |
| C1496-92 | PTU MOTOR POSITION - PERFORMANCE OR INCORRECT OPERATION |
| C1498-92 | RDM FORK POSITION - PERFORMANCE OR INCORRECT OPERATION |
| C1499-92 | RDM MOTOR POSITION - PERFORMANCE OR INCORRECT OPERATION |
| C149B-16 | RDM - CIRCUIT VOLTAGE BELOW THRESHOLD |
| C149B-17 | RDM - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| C149B-98 | RDM - COMPONENT OR SYSTEM OVER TEMPERATURE |
| C14A7-97 | PTU MOTOR - COMPONENT OR SYSTEM OPERATION OBSTRUCTED OR BLOCKED |
| C14A8-97 | RDU MOTOR - COMPONENT OR SYSTEM OPERATION OBSTRUCTED OR BLOCKED |
| C2129-16 | BATTERY VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD |
| C2129-17 | BATTERY VOLTAGE - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| C2206-00 | VEHICLE CONFIGURATION MISMATCH |
| C2223-00 | ECU CONFIGURATION MISMATCH |
| U0002-00 | CAN C BUS OFF PERFORMANCE |
| U0100-00 | LOST COMMUNICATION WITH ECM/PCM |
| U0101-00 | LOST COMMUNICATION WITH TCM |
| U0121-00 | LOST COMMUNICATION WITH ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE |
| U0131-00 | LOST COMMUNICATION WITH ELECTRIC POWER STEERING CONTROL MODULE |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0151-00 | LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER (ORC) |
| U0401-00 | INVALID DATA RECEIVED FROM ECM/PCM "A" |
| U0402-00 | IMPLAUSIBLE DATA RECEIVED FROM TCM |
| U0415-00 | INVALID DATA RECEIVED FROM ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE |
| U0420-00 | INVALID DATA RECEIVED FROM POWER STEERING CONTROL MODULE |
| U0422-00 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE |
| U0452-00 | IMPLAUSIBLE DATA RECEIVED FROM RESTRAINTS CONTROL MODULE |
| U1203-00 | PTU LOST COMMUNICATION WITH DTCM |
| U1204-00 | RDM LOST COMMUNICATION WITH DTCM |
| U1206-00 | LOST COMMUNICATION WITH ELECTRONIC PARK BRAKE MODULE |
| U1484-00 | IMPLAUSIBLE DATA RECEIVED FROM ELECTRONIC PARK BRAKE MODULE |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.