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.
2012 Jeep Compass Limited, FWD, StandardFACTORY OEM SERVICE PROCEDURE
Module, All Wheel Drive (AWD)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| C1456 | AWD CLUTCH POWER CONTROL CIRCUIT LOW |
| C145A | AWD CLUTCH RETURN CONTROL CIRCUIT LOW |
| C145D | AWD CLUTCH POWER/RETURN CONTROL CIRCUIT OPEN |
| C145F | AWD SYSTEM TEMPORARILY DISABLED - OVERTEMPERATURE |
| C1460 | AWD SWITCH CIRCUIT PERFORMANCE |
| C2100 | BATTERY VOLTAGE LOW |
| C2101 | BATTERY VOLTAGE HIGH |
| C211C | IGNITION RUN/START INPUT CIRCUIT LOW |
| C211D | IGNITION RUN/START INPUT CIRCUIT HIGH |
| C211E | BATTERY SUPPLY VOLTAGE LOW |
| C211F | BATTERY SUPPLY VOLTAGE HIGH |
| C2208 | AWD ECU INTERNAL |
| U0001 | CAN C BUS |
| U0002 | CAN C BUS OFF PERFORMANCE |
| U0100 | LOST COMMUNICATION WITH THE ECM/PCM |
| U0121 | LOST COMMUNICATION WITH ABS |
| U0141 | LOST COMMUNICATION WITH IPM (FCM/TIPM) |
| U0401 | IMPLAUSIBLE DATA RECEIVED FROM ECM/PCM |
| U0415 | IMPLAUSIBLE DATA RECEIVED FROM ABS |
| U0423 | IMPLAUSIBLE DATA RECEIVED FROM CLUSTER/CCN |
| U1113 | U1113C-LOST WHEEL SPEED MESSAGES |
| U1415 | IMPLAUSIBLE/MISSING VEHICLE CONFIGURATION RECEIVED |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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