Possible Causes
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
- Fuse
- Wiring, terminals or connectors
- ABS module
- AT1: VERIFY THE NO COMMUNCATION DIAGNOSTICS HAVE BEEN PERFORMED NOTE: Diagnostics in the Module Communications Network article MUST BE CARRIED OUT before continuing with this pinpoint test.
- Has the appropriate pinpoint test in the Module Communications Network article 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 ABS module Removal and Installation procedure in the Anti-Lock Brake System (ABS) and Stability Control article.REFER to the Module Communications Network article and CARRY OUT the ABS module does not respond to the diagnostic scan tool pinpoint test.