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 DTC B390F 4B is not set.
- If the DTC is set
- Program the K157 Video Processing Control Module.
- Verify DTC B390F 4B is not set after programming.
- If the DTC sets after programming, replace the B174G Frontview Camera - Grille.
- If the DTC does not set
- All OK.
- If both DTCs are not set
- Verify DTC B390F 66 is not set.
- If the DTC is set
Remove the B174G Frontview Camera - Grille and reinstall
- If the DTC is not set
- If the DTC is set
- Verify DTC B390F 08 is not set.
- If DTC is set
Refer to Circuit/System Testing
- If DTC is not set
- If DTC is set
- All OK.