Circuit/System Testing
WARNING: This page is about a different car, the 2008 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, cruise control switch OFF, disconnect the harness connector X3 at the BCM.
- Ignition ON, verify that a test lamp does not illuminate between the cruise control indicator dimming signal circuit terminal 22 and ground.
- If the test lamp illuminates, test the cruise control indicator dimming signal circuit for a short to voltage. If the circuit tests normal, replace the steering wheel controls switch - left.
- If the circuits test normal, replace the BCM.