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Home >> Chevrolet >> 2021 >> Traverse L >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (Vehicle Access System) >> Diagnostic Information and Procedures >> DTC B11BB >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the scan tool Right Front Door Ajar Switch parameter changes between Ajar and Closed when opening and closing the passenger door.
    • Go to next step: If the parameter changes 
  3. Verify the scan tool Passenger Door Open Switch parameter changes between Open and Closed when opening and closing the passenger door.
    • If the parameter does not change 

      Refer to Circuit/System Testing

    • Go to next step: If the parameter changes 
  4. All OK.