GM Service Manual Online
For 1990-2009 cars only

Object Number: 161037  Size: SF
Steering Controls Components
Steering Assist Schematics
Handling ESD Sensitive Parts Notice

Circuit Description

The Variable Effort Steering System (VES), incorporates its controller into the EBCM. If any of the steering wheel position sensor circuit wires should become open or shorted, a DTC C1243 will set.

Action Taken When the DTC Sets

A malfunction DTC is stored. No ABS indicator lamp is turned ON but VES is disabled. ABS remains functional. For diagnosis of DTC C1243, refer to DTC C1243 Variable Effort Steering Steering Wheel Sensor Circuit Malfunction in Variable Effort Steering.