Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Chevrolet >> 2021 >> Traverse L >> Repair and Diagnosis >> External Pages >> Different car >> Section 44 (Supplemental Restraints System) >> Diagnostic Information and Procedures >> DTC B1491 >> 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 / Vehicle In Service Mode
  2. Verify the scan tool parameter in the K85P Restraint Occupant Classification System Module: Passenger Automatic Locking Retractor Status
    1. Fully extract the passenger front seat belt
    2. Verify the scan tool parameter: Passenger Automatic Locking Retractor Status = Engaged
      • If the parameter state does not change, refer to: Circuit/System Testing
      • Go to next step: If Scan Tool Parameter changes
    3. Fully Retract the passenger front seat belt to the stowed state
    4. Verify the scan tool parameter: Passenger Automatic Locking Retractor Status = Not Engaged
      • If the parameter state does not change, refer to: Circuit/System Testing
      • Go to next step: If Scan Tool Parameter changes
  3. A fault is not currently present and may be an intermittent condition.
scientia non olet · About Mike's Workshop Manuals