No Messages From ABS
NOTE:
After making any repairs, perform BODY VERIFICATION TEST
under VERIFICATION TESTS.
Monitored & Set Condition
- When Monitored: With Ignition on.
- Set Condition: The instrument cluster does not receive an ABS message for 10 seconds.
Possible Causes:
- Attempt To Communicate With The Anti-Lock Brake Control Module
- Instrument Cluster
Testing
- Turn ignition off. Connect scan tool to Data Link Connector (DLC). Using scan tool, attempt to communicate with Controller Anti-lock Brake (CAB). If scan tool communicates with CAB, go to next step. If scan tool does not communicate with CAB, perform NO RESPONSE FROM CONTROLLER ANTI-LOCK BRAKE test under COMMUNICATIONS SYSTEM.
- Using scan tool, clear DTCs. Turn ignition off. Turn ignition on for approximately one minute. Using scan tool, retrieve DTCs. If NO MESSAGES FROM ABS DTC resets, replace instrument cluster. If NO MESSAGES FROM ABS DTC does not reset, fault may be intermittent. Check related wiring and connectors for poor connections or damage to wiring harness. See WIRING DIAGRAMS . Repair any problems found as necessary. If no problems are found, check if any Technical Service Bulletins (TSBs) apply to vehicle. If no TSBs apply, test is complete.