LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2021 >> Tahoe SSV >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Seat Belt System >> Diagnostic Information and Procedures >> DTC B1AD2 >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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 the appropriate scan tool Passenger Seat Belt Status parameter changes between Fastened and Unfastened when the seat belt is buckled and unbuckled.
    • If the parameter does not change 

      Refer to Circuit/System Testing

    • Go to next step: If the parameter changes 
  3. A fault is not currently present and may be an intermittent condition.