Circuit/System Verification
WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
- Verify no other DTCs are present.
- If any other DTCs are present
Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If no other DTCs are present
- If any other DTCs are present
- Ignition ON, infotainment system ON.
- Using a scan tool, under control functions select Info Display Test.
- If the Info Display can not display the test image.
Refer to Circuit/System Testing.
- Go to next step: If the Info Display can display the test image.
- If the Info Display can not display the test image.
- All OK