Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Yukon XL, 2015 GMC Yukon, 2015 Chevrolet Tahoe, 2015 Chevrolet Suburban, and 2015 Cadillac Escalade ESV. 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 .
- If no other DTCs are set
- If any other DTCs are set
- Calibrate the B174W Frontview Camera - Windshield. Refer to Front View Camera Module Calibration .
- Verify DTC B390D is not set
- If DTC B390D is set
Replace the B174W Frontview Camera - Windshield.
- 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.