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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 315 (Seat Belts) >> Diagnostic Information and Procedures >> DTC B191F >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
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.