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 MANUALSJEEP2024GRAND CHEROKEE L LIMITED, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASCENTRAL ADAS DECISION MODULE (CADM2) - DTCS C00C1-4B TO C127A-00
2024 Jeep Grand Cherokee L Limited, RWD
Central ADAS Decision Module (CADM2) - DTCS C00C1-4B To C127A-00
2024 Jeep Grand Cherokee L Limited, RWDSECTION Central ADAS Decision Module (CADM2) - DTCS C00C1-4B To C127A-00
- DTC Troubleshooting
- C00C1-4B-Front Radar Module "B" - Over Temperature
- C00C1-54-Front Radar Module "B" - Missing Calibration
- C00C1-76-Front Radar Module "B" - Wrong Mounting Position
- C00C1-86-Front Radar Module "B" - Signal Invalid
- C00C1-87-Front Radar Module "B" - Missing Message
- C00C1-97-Front Radar Module "B" - Component Or System Operation Obstructed Or Blocked
- C00C4-11-Rear Radar Module "A" - Circuit Short To Ground
- C00C4-12-Rear Radar Module "A" - Circuit Short To Battery
- C00C4-13-Rear Radar Module "A" - Circuit Open
- C00C4-16-Rear Radar Module "A" - Circuit Voltage Below Threshold
- C00C4-17-Rear Radar Module "A" - Circuit Voltage Above Threshold
- C00C4-49-Rear Radar Module "A" - Internal Electronic Failure
- C00C4-4A-Rear Radar Module "A" - Incorrect Component Installed
- C00C4-4B-Rear Radar Module "A" - Over Temperature
- C00C4-76-Rear Radar Module "A" - Wrong Mounting Position
- C00C4-86-Rear Radar Module "A" - Signal Invalid
- C00C4-87-Rear Radar Module "A" - Missing Message
- C00C4-97-Rear Radar Module "A" - Component Or System Operation Obstructed Or Blocked
- C1240-00-Steering Angle Sensor Angle OVERTRAVEL Performance
- C127A-00-Esp Did Not Respond To Deceleration Request
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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.