Diagnostic Test

1) CHECK IF FCM CAN BUS DTCs ARE PRESENT
With the scan tool, read FCM DTCs.

Are there any FCM CAN BUS DTCs present?

Yes
1. Refer to DIAGNOSIS AND TESTING and diagnose the appropriate symptom.
2. Perform ABS VERIFICATION TEST .
No
1. Go to 2).
2) CHECK IF ENGINE DTCS ARE PRESENT
With the scan tool, read Engine DTCs.

Are there any Engine DTCs present?

Yes
1. Refer to appropriate Engine ELECTRICAL DIAGNOSTICS article and diagnose the appropriate symptom.
2. Perform ABS VERIFICATION TEST .
No
1. Replace the Anti-Lock Brakes Module in accordance with the Service Information.
2. Perform ABS VERIFICATION TEST .