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 (CADM2) - DTCS C008E-00 TO C00C4-97DTC TROUBLESHOOTINGC00C1-86 FRONT RADAR MODULE "B" - SIGNAL INVALIDDIAGNOSTIC TEST
2023 Jeep Grand Cherokee Laredo X, AWD
Diagnostic Test
2023 Jeep Grand Cherokee Laredo X, AWDSECTION Diagnostic Test
- CHECK FOR ANY SERVICE BULLETINS OR MODULE SOFTWARE UPDATES
- Check for any applicable Service Bulletins or Flash updates related to the DTC.
Are there any applicable Service Bulletins or Flash updates?
Yes
- Make the applicable repair.
- Perform the CENTRAL ADAS DECISION MODULE 2 (CADM2) VERIFICATION TEST. Refer to CENTRAL ADAS DECISION MODULE 2 (CADM2) VERIFICATION TEST .
No
- Go To 2
- Check for any applicable Service Bulletins or Flash updates related to the DTC.
- READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR THE DTC TO RETURN
- With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
- For future reference, with the scan tool, run and save a vehicle Scan Report and all related recorded data.
- With the scan tool, erase all DTCs.
- Turn the ignition off for a minimum of 10.0 seconds.
- Turn the ignition on.
- Using the When Monitored and Set Conditions above and recorded data, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read DTCs.
Did the DTC return?
Yes
- Go To 3
No
- Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
- CHECK THE CADM2 AND RADAR HARNESS CONNECTORS AND TERMINALS
- Turn the ignition off.
- Check the CADM2 and Radar harness connectors for proper connection at both the CADM2 and the Radar.
- Verify that the connector is completely plugged in and locked prior to disconnecting.
- Disconnect the CADM2 and the Radar harness connectors and check for pushed out or spread terminals, brinelling on terminals, discoloration from excessive heat, or corrosion and water intrusion.
Were any issues found with the connectors or terminals?
Yes
- Repair the found issues in accordance with the Service Information or properly connect and lock the CADM2 and the Radar harness connectors.
- Perform the CENTRAL ADAS DECISION MODULE 2 (CADM2) VERIFICATION TEST. Refer to CENTRAL ADAS DECISION MODULE 2 (CADM2) VERIFICATION TEST .
No
- Replace the Radar in accordance with the Service Information. Refer to RADARS, REMOVAL AND INSTALLATION .
- Perform the CENTRAL ADAS DECISION MODULE 2 (CADM2) VERIFICATION TEST. Refer to CENTRAL ADAS DECISION MODULE 2 (CADM2) VERIFICATION TEST .
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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.