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Home >> Chevrolet >> 2021 >> Traverse LS, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 61 (Seat Belts) >> Diagnostic Information and Procedures >> DTC B1921 >> 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, with the passenger seat unoccupied, the scan tool Passenger Seat Occupancy Status parameter is Empty Seat.
    • If not Empty Seat 

      Refer to Circuit/System Testing

    • Go to next step: If Empty Seat 
  3. Verify, with the passenger seat occupied, the scan tool Passenger Seat Occupancy Status parameter is Occupied.
    • If not Occupied 

      Refer to Circuit/System Testing

    • Go to next step: If Occupied 
  4. All OK.