Circuit/System Verification
WARNING: This page is about a different car, the 2010 Chevrolet HHR. However, it is still accessible from the selected car via links, so may be relevant.
Ignition On, observe the scan tool EBCM Stop Lamp parameter. The reading should be Released and change between Applied and Released when pressing and releasing the brake pedal, the stop lamps should turn on and off.
- If not within the specified value, refer to Symptoms - Lighting . If the circuits test normal, replace the EBCM.