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Home >> GMC >> 2017 >> Acadia SL >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 1 (Object Detection System And Pedestrian Protection System) >> Diagnostic Information and Procedures >> DTC B101D: Electronic Control Unit Hardware (with Pedestrian Impact Detection, B3T) >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify DTC B101D is not set.
    • If DTC B101D is set  

      Replace the K42 Pedestrian Impact Detection Module.

    • If DTC B101D is not set 
  3. All OK
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