Circuit/System Testing
WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, Retained Accessory Power OFF, disconnect the harness connector X4 at the K9 body control module.
- Test for 120-160 Ω between control terminal 14 and ground.
- If less than the specified value, test the control circuit for a short to ground.
- If greater than the specified value, test the control circuit for an open/high resistance or a short to voltage.
- If all circuits test normal, test or replace the K9 body control module.