Test D: DTC C1233, C1234, C1235 & C1236 - Wheel Speed Sensor (WSS) Input Signal Missing
- Inspect suspect WSS mounting. Inspect WSS for excessive dirt, metal obstructions or damage. If WSS is okay, go to next step. If WSS is damaged, repair or replace WSS as needed.
- Inspect ABS sensor indicator for damage, correct mounting and alignment with WSS. Check for consistent air gap. If ABS sensor indicator is damaged, replace ABS sensor indicator. If ABS sensor indicator is okay, clear DTCs and repeat self-test. If DTC C1233, C1234, C1235 or C1236 is retrieved, replace ABCM. If no DTC is retrieved, system is okay.