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 DIAGNOSISSTEERINGSTEERING CONTROL SYSTEMS(STEERING COLUMN CONTROL MODULE (SCCM) ELECTRICAL DIAGNOSTICS)DIAGNOSTIC CODE INDEX
2023 Jeep Cherokee Trailhawk
Diagnostic Code Index
2023 Jeep Cherokee TrailhawkSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B178F-92 | TURN SIGNAL SWITCH - PERFORMANCE OR INCORRECT OPERATION |
| B2225-00 | SCM STEERING COLUMN MODULE INTERNAL |
| B2300-29 | FRONT WIPER MODE SWITCH-SIGNAL INVALID |
| B2306-2A | FRONT-WASHER-SWITCH-STUCK |
| B2309-29 | REAR WIPER SWITCH - SIGNAL INVALID |
| B232E-00 | REAR WASHER SWITCH STUCK |
| B232E-2A | REAR WASHER STUCK |
| B232F-00 | MIST SWITCH STUCK |
| B23A1-2A | FLASH TO PASS/OPTICAL HORNSWITCH - STUCK |
| C2129-16 | BATTERY VOLTAGE - CIRCUIT VOLTAGE BELOW THRESHOLD |
| C2129-17 | BATTERY VOLTAGE - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| P0815-2A | UPSHIFT SWITCH - STUCK |
| P0816-2A | DOWNSHIFT SWITCH-STUCK |
| P0826-11 | UP/DOWN SHIFT SWITCH - CIRCUIT SHORT TO GROUND |
| P0826-13 | UP-DOWN SHIFT SWITCH - CIRCUIT OPEN |
| P0826-15 | UP/DOWN SHIFT SWITCH - CIRCUIT SHORT TO BATTERY OR OPEN |
| U0001-00 | CAN C BUS |
| U0002-00 | CAN C BUS OFF PERFORMANCE |
| U0100-00 | LOST COMMUNICATION WITH ECM/PCM |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0401 | IMPLAUSIBLE DATA RECEIVED FROM ECM/PCM |
| U0422 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE |
| U1008-00 | LIN 1 BUS |
| U121E-00 | LOST COMMUNICATION WITH STEERING WHEEL CRUISE CONTROL SWITCH |
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.