Diagnostic Test
- ABS DTCS PRESENT
- Ignition on, engine not running.
- With the scan tool, read DTCs in the Antilock Brake Controller.
Are there any DTCs present?
Yes
- Perform the appropriate diagnostic procedure. Refer to DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Diagnosis and Testing
No
- Replace the Final Drive Control Module (FDCM) in accordance with the Service Information.
- Perform TRANSFER CASE VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Final Drive Control (FDCM) - Standard Procedure .