Diagnostic Test
WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- With a scan tool, read DTCs.
Is the DTC active?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to .
- CHECK THE ANTI-LOCK BRAKE MODULE FOR WHEEL SPEED SENSOR FAULTS
- With the scan tool, read DTCs in the ABS Module.
Is the ABS Module setting any DTCs against a Wheel Speed Sensor?
Yes
- Perform the diagnostic procedure in the ABS Module. Refer to DIAGNOSIS AND TESTING .
No
- Replace the ABS Module in accordance with the Service Information. (Refer to 08 - Electrical/8E - Electronic Control Modules/MODULE, Anti-Lock Brake System/Removal and Installation).
- With the scan tool, read DTCs in the ABS Module.