Circuit/System Verification
WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
Ignition ON, perform the engine coolant gauge sweep test with the scan tool, verify that the engine coolant temperature gauge sweeps from its low to high position.
- If the engine coolant gauge does not sweep, replace the IPC.