Diagnostic Work Flow
WARNING: This page is about a different variant/trim than selected.
- Verify Concern
Get a detailed description of problem including symptom, frequency of occurrence, driving and environmental conditions. Test drive vehicle under similar conditions as fault occurs. Bring customer along if possible. - Retrieve DTCs
Verify ABS warning light operates with bulb check. Perform the Diagnostic Trouble Code (DTC) retrieval procedure. See RETRIEVING DIAGNOSTIC TROUBLE CODES . Clear DTCs then recheck for DTCs. If DTC does not immediately return after being cleared from memory, test drive vehicle and recheck for DTC or ABS warning lamp flashing. - DTC Testing
If DTC code was retrieved, proceed to corresponding DTC test procedure. Repair or replace any faulty parts as described in DTC test. - Intermittent Faults
If fault is not found during DTC testing, inspect probable sources or intermittent faults (e.g. wiring harness connectors, wheel sensors, etc.). - Final Confirmation
After repair has been performed, test drive vehicle and check for symptom. Clear and recheck for DTCs. Ensure a system okay DTC is given (DTC 12).