Possible Causes
WARNING: This page is about a different car, the 2017 Ford Police Interceptor Utility and 2017 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
- Wheel speed sensor input concern
- Wheel speed sensor
- AL1: CHECK FOR OTHER ABS MODULE DTCS
- Review the recorded results from the ABS module self-test.
- Are any wheel speed sensor DTCs present which are NOT shown in the ABS DTC Fault Trigger Conditions chart?
Yes No DIAGNOSE those DTCs first. REFER to the ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL . INSTALL a new wheel speed sensor for the one in question. REFER to the FRONT WHEEL SPEED SENSOR or REAR WHEEL SPEED SENSOR .