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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Driver Assistance Systems) >> Diagnostic Information and Procedures >> DTC B101D >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. 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.
      • Go to next step: If there are no new DTCs and the side object system operates properly
    3. All OK.
    • Go to next step: If the DTC is not set 
  3. All OK
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