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 MANUALSJEEP2023GRAND CHEROKEE LAREDO X, AWDREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANS(ELECTRONIC SHIFT MODULE (ESM) - ELECTRICAL DIAGNOSTICS)DIAGNOSTIC CODE INDEX
2023 Jeep Grand Cherokee Laredo X, AWD
Diagnostic Code Index
2023 Jeep Grand Cherokee Laredo X, AWDSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B2204-00 | ECU CONFIGURATION MISMATCH |
| P0607-00 | ECU INTERNAL PERFORMANCE |
| P0814-00 | TRANSMISSION RANGE DISPLAY CIRCUIT |
| P0914-00 | GEAR SHIFT POSITION CIRCUIT (LIGHT FAULT) |
| P0919-00 | GEAR SHIFT POSITION CONTROL ERROR |
| P0929 | GEAR SHIFT LOCK SOLENOID/ACTUATOR CONTROL CIRCUIT 1 PERFORMANCE |
| P1C86-00 | PRNDL DISPLAY |
| P1C8B-16 | BATTERY VOLTAGE - CIRCUIT VOLTAGE BELOW THRESHOLD |
| P1C8B-17 | BATTERY VOLTAGE - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| P1C8C-16 | SYSTEM VOLTAGE - CIRCUIT VOLTAGE BELOW THRESHOLD |
| P1C8C-17 | SYSTEM VOLTAGE - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| P1DF3-00 | ECU NOT INITIALIZED |
| U0101-00 | LOST COMMUNICATION WITH TCM |
| U0129-00 | LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE 1 |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0155-00 | LOST COMMUNICATION WITH CLUSTER/CCN |
| U0402-00 | IMPLAUSIBLE DATA RECEIVED FROM TCM |
| U0415-00 | INVALID DATA RECEIVED FROM ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE "A" |
| U0422-00 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE |
| U1056-00 | HIGH SPEED FD-CAN3 COMMUNICATION BUS |
| U1069-00 | HIGH SPEED FD-CAN10 COMMUNICATION BUS |
| U114C-00 | LOST COMMUNICATION WITH PRNDL DISPLAY |
| U11C3-00 | ESM LOST COMMUNICATION WITH TCM ON D-PT CAN |
| U145D-00 | IMPLAUSIBLE DATA RECEIVED FROM TCM ON D-PT |
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.