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 SUMMIT 4XEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCECENTRAL ADAS DECISION MODULE (CADM2) - DTCS C1240-00 TO U3033-00
2023 Jeep Grand Cherokee Summit 4xe
Central ADAS Decision Module (CADM2) - DTCS C1240-00 To U3033-00
2023 Jeep Grand Cherokee Summit 4xeSECTION Central ADAS Decision Module (CADM2) - DTCS C1240-00 To U3033-00
- DTC Troubleshooting
- C1240-00 Steering Angle Sensor Angle OVERTRAVEL Performance
- C127A-00 Esp Did Not Respond To Deceleration Request
- C2129-16 Battery Voltage - Circuit Voltage Below Threshold
- C2129-17 Battery Voltage - Circuit Voltage Above Threshold
- C2203-00 Current VIN Missing/Mismatch
- C2210-00 Ecu Over Temperature
- C2212-00 Ecu In Plant Mode
- C2219-00 Ecu Unable To Configure/Configuration Not Learned
- P0602-00 Control Module Programming Error/Not Programmed
- U0131-00 Lost Communication With Power Steering Control Module "A"
- U0140-00 Lost Communication With Body Control Module
- U0149-00 Lost Communication With Security Gateway
- U0151-00 Lost Communication With Occupant Restraint Controller (Orc)
- U015C-00 Lost Communication With Automated Driving System Control Module "A"
- U01B4-00 Lost Communication With Brake System Control Module 2
- U0243-00 Lost Communication With Central Vision Park Assist Module
- U02B4-00 Lost Communication With Front Radar Module "A"
- U02B5-00 Lost Communication With Front Radar Module "B"
- U02B6-00 Lost Communication With Rear Radar Module "A"
- U02BC-00 Lost Communication With Localization And Mapping Module
- U0420-00 Invalid Data Received From Power Steering Control Module "A"
- U0422-00 Implausible Data Received From Body Control Module-
- U044A-00 Implausible Data Received From Security Gateway
- U0452-00 Implausible Data Received From Restraints Control Module
- U04B5-00 Invalid Data Received From Brake System Control Module 2
- U0544-00 Invalid Data Received From Central Vision Park Assist Module
- U05B5-00 Invalid Data Received From Front Radar Module "A"
- U05B6-00 Invalid Data Received From Front Radar Module "B"
- U05B7-00 Invalid Data Received From Rear Radar Module "A"
- U05BD-00 Invalid Data Received From Localization And Mapping Module
- U104D-00 High Speed FD-Can2 Communication Bus
- U1073-00 Private Can Communication Bus 2
- U1074-00 Private Can Communication Bus 3
- U1600-00 Ecu Application Software Mismatch
- U3033-00 Control Module Security Certificate Missing/Invalid
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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.