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 DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCECENTRAL ADAS DECISION MODULE (CADM) - MID LEVEL - DTCS U0155-00 TO U1600-00
2023 Jeep Grand Cherokee Laredo X, AWD
Central ADAS Decision Module (CADM) - Mid Level - DTCS U0155-00 To U1600-00
2023 Jeep Grand Cherokee Laredo X, AWDSECTION Central ADAS Decision Module (CADM) - Mid Level - DTCS U0155-00 To U1600-00
- DTC Troubleshooting
- U0155-00 Lost Communication With Cluster/CCN
- U015D-00 Lost Communication With Automated Driving System Control Module "B"
- U01B4-00 Lost Communication With Brake System Control Module 2
- U01C0-00 Lost Communication With Front Radar Module "C"
- U0243-00 Lost Communication With Central Vision Park Assist Module
- U0265-00 Lost Communication With Front Camera
- U0293-00 Lost Communication With Hybrid Control Module "A"
- U02B3-00 Lost Communication With Driver Monitoring System Module
- U02B5-00 Lost Communication With Front Radar Module "B"
- U02B7-00 Lost Communication With Rear Radar Module "B"
- U02BC-00 Lost Communication With Localization And Mapping Module
- U0401-00 Implausible Data Received From ECM/Pcm "A"
- U0402-00 Implausible Data Received From TCM
- U0418-00 Implausible Data Received From Brake System Control Module 1
- U041E-00 Invalid Data Received From All Wheel Drive Control Module
- U0420-00 Invalid Data Received From Power Steering Control Module "A"
- U0422-00 Implausible Data Received From Body Control Module-
- U0423-00 Implausible Data Received From Cluster/CCN
- U044A-00 Implausible Data Received From Security Gateway
- U0452-00 Implausible Data Received From Restraints Control Module
- U045E-00 Invalid Data Received From Automated Driving System Control Module "B"
- U04B5-00 Invalid Data Received From Brake System Control Module 2
- U04C1-00 Invalid Data Received From Front Radar Module "C"
- U0544-00 Invalid Data Received From Central Vision Park Assist Module
- U0594-00 Implausible Data Received From Hybrid Control Module
- U05B4-00 Invalid Data Received From Driver Monitoring System Module
- U05B6-00 Invalid Data Received From Front Radar Module "B"
- U05B8-00 Invalid Data Received From Rear Radar Module "B"
- U05BD-00 Invalid Data Received From Localization And Mapping Module
- U1056-00 High Speed FD-Can3 Communication Bus
- U106F-00 High Speed FD-Can14 Communication Bus
- U1072-00 Private Can Communication Bus 1
- U1600-00 Ecu Application Software Mismatch
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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.