Diagnostic Test
WARNING: This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK ASD/MAIN RELAY OPERATION
- Check the correct operation of the ASD/Main Relay T07-50A in the front engine compartment PDC.
Is the ASD/Main relay T07-50A operating properly?
Yes
- Go To 2
No
- Replace the ASD/Main Relay T07-50A in the front engine compartment PDC.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Check the correct operation of the ASD/Main Relay T07-50A in the front engine compartment PDC.
- CHECK PCM OPERATION
- Check that the PCM is working properly.
Is the PCM operating properly?
Yes
- End of diagnosis.
No
- Replace the PCM.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Check that the PCM is working properly.