Possible Causes
- Fuse
- Wiring, terminals or connectors
- ABS module
- AT1: VERIFY THE NO COMMUNICATION DIAGNOSTICS HAVE BEEN PERFORMED NOTE: Diagnostics in MODULE COMMUNICATIONS NETWORK (2 OF 2) MUST BE CARRIED OUT before continuing with this pinpoint test.
- Has the appropriate pinpoint test in MODULE COMMUNICATIONS NETWORK (2 OF 2) been carried out for the no communication concern?
Yes No INSTALL a new ABS module.
CHECK OASIS for any service articles: TSB, GSB, SSM or FSA.
If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions.
If no service articles address this concern, INSTALL a new ABS module. REFER to the Anti-Lock Brake System (ABS) Module .REFER to MODULE COMMUNICATIONS NETWORK (2 OF 2) and CARRY OUT the ABS module does not respond to the diagnostic scan tool pinpoint test.