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 (CADM) - MID LEVEL - DTCS U0155-00 TO U1600-00DTC TROUBLESHOOTINGU05B8-00 INVALID DATA RECEIVED FROM REAR RADAR MODULE "B"WHEN MONITORED
2023 Jeep Grand Cherokee Summit 4xe
When Monitored
2023 Jeep Grand Cherokee Summit 4xeSECTION When Monitored
- With the ignition in the RUN position
- ECU input voltage between 6.0 and 16.0 volts
- Radar module HSD enabled
- No lost communication errors between radar module and ECU
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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.