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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 324 (Seat Belt System) >> Diagnostic Information and Procedures >> Seat Belt Indicator Malfunction - Rear >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that all connectors are fully seated.
  2. With the scan tool monitor the 2nd Row Seat Belt Status parameter while buckling and unbuckling the seat belt. The parameter should display Buckled and Unbuckled when buckling and unbuckling the seat belt.
    • If the parameter does not display Buckled and Unbuckled when buckling and unbuckling the seat belt 

      Replace the P16 Instrument Cluster.

    • If the parameter does display Buckled and Unbuckled when buckling and unbuckling the seat belt 

      Refer to Circuit/System Testing.

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