Circuit/System Testing

WARNING: This page is about a different car, the 2010 Saturn Sky and 2010 Pontiac Solstice. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, verify that DTC U2142 or U2143 are not set.
- If the DTC is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
Verify the yaw/lateral accelerometer sensor is mounted properly.
- If not mounted properly, refer to Vehicle Yaw Sensor with Vehicle Lateral Accelerometer Replacement .
Replace the yaw/lateral accelerometer sensor. If the DTC resets, replace the EBCM.