LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2021 >> Yukon AT4 >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Seat Belts >> Diagnostic Information and Procedures >> DTC B1920 >> Circuit/System Verification

Circuit/System Verification

NOTE:

The condition may be intermittent and require driving the vehicle, then reviewing the snapshot to verify resistance parameters do not drop out or spike. Refer to Testing for Intermittent Conditions and Poor Connections

  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. A fault is not currently present and may be an intermittent condition.
scientia non olet · About LEMON Manuals