Circuit/System Verification
WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON.
- Verify the scan tool Park Brake Switch parameter changes between Released and Apply while pressing and releasing the B80 Park Brake Switch.
- If the parameter does not change
Refer to Circuit/System Test.
- If the parameter changes
- If the parameter does not change
- All OK.