Description

Code C1102 is generated by the anti-lock electronic control module's detection of a circuit failure between the ABS control module and the G-switch and by a failed G-switch or internal ABS control module damage.

Possible Contributing Component/Vehicle Wiring Concerns
- Terminal backout in ABS control module wiring harness connector Pins 30, 31 and 32.
- Worn or damaged G-switch.
- Worn or damaged ABS control module.
- G-switch terminal backout, Pins 1, 2 and 3.
- Short to ground in Circuits 836 (O/W), 8B6 (O/BK) and 887 (Y).
- Module initialized on 4x4 vehicle then installed on 4x2 vehicle.

NOTE: The ECM can be reinitialized with the New Generation Star (NGS) Tester.