Circuit/System Verification
WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON.
- Verify there are no DTCs set, except for DTC B390D.
- If any other DTCs are set
Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If no other DTCs are set
- If any other DTCs are set
- Calibrate the B174W Frontview Camera - Windshield. Refer to Front View Camera Module Learn .
- Verify DTC B390D is not set
- If DTC B390D is set
Replace the B174W Frontview Camera - Windshield.
- Go to next step: If DTC B390D is not set
- If DTC B390D is set
- All OK.
NOTE:
Before performing the calibration, verify that the B174W Frontview Camera - Windshield will not have difficulty seeing lane markings in front of the vehicle. If the view of the B174W Frontview Camera - Windshield is blocked with mud, dirt, snow, ice, or slush, if the windshield is damaged, or if weather limits visibility, such as while driving in fog, rain, or snow conditions, the calibration procedure may not be able to be completed.