Circuit/System Verification
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON/Vehicle In Service Mode.
- Verify DTC U007C is not set.
- If the DTC is set
Refer to Scan Tool Does Not Communicate with Gateway Isolated High Speed GMLAN Device .
- Go to next step: If the DTC is not set
- If the DTC is set
- All OK.