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Home >> Buick >> 2016 >> Envision >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Object Detection System) >> Diagnostic Information and Procedures >> DTC B101D: Electronic Control Unit Hardware (with side blind zone alert, UFT) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the DTC B101D is not set.
    • If the DTC is set 
    1. Replace the B218L Side Object Sensor Module - Left.
    2. Verify no new DTCs set and the side blind zone alert operates properly.
      • If there are no new DTCs and the side object system operates properly
    3. All OK.
    • If the DTC is not set 
  3. All OK
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