Circuit/System Verification

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, verify that DTC C0186, C0196, or C0455 is not set.
- If any of the DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle
Verify the yaw/lateral accelerometer is mounted properly.
- If not mounted properly, refer to Vehicle Yaw Sensor with Vehicle Lateral and Longitudinal Accelerometer Replacement .
Clear DTC, test drive vehicle under normal driving conditions.
Verify DTC C0252 is not set
- If the DTC is set replace the EBCM. If the DTC resets, replace the brake pressure modulator valve (BPMV).