Mike's Workshop Manuals: Service manuals for every vehicle
Home >> GMC >> 2021 >> Acadia SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 342 (Driver Assistance Systems) >> Diagnostic Information and Procedures >> DTC B1A04 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify there are no DTCs set, except for DTC B1A04.
    • Go to next step: If no other DTCs are set 
  3. Verify DTC B1A04 is not set
    • If DTC B1A04 is set 

      Replace the B174W Frontview Camera - Windshield.

    • Go to next step: If DTC B1A04 is not set 
  4. All OK.
scientia non olet · About Mike's Workshop Manuals