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Home >> GMC >> 2012 >> Acadia Denali, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 273 (Object Detection System) >> Diagnostic Information and Procedures >> DTC B101D: Electronic Control Unit Hardware (with side blind zone alert, UFT) >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2015 Cadillac SRX. 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 
    1. Replace the B218L Side Object Sensor Module - Left.
    2. Verify no new DTCs set and side object system operates properly.
      • If there are no new DTCs and the side object system operates properly
    • If DTC B101D is not set 
  3. All OK