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Home >> Chevrolet >> 2016 >> Silverado 1500 SSV, 4WD, Part Time T/Case Control, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 2532 (Data Communication System) >> Diagnostic Information and Procedures >> DTC B101D: Electronic Control Unit Hardware >> Circuit/System Verification

Circuit/System Verification

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Sierra 3500 HD, 2015 GMC Sierra 2500 HD, 2015 GMC Sierra 1500, 2015 Chevrolet Silverado 3500 HD, and 2015 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify that DTC B101D is not set.
    • If DTC B101D is set in K9 Body Control Module with symptom byte F0 
    1. Verify that no other DTCs are set.
      • If no other DTCs are set
    2. Open the driver door to wake up the K9 Body Control Module.
    3. Ignition OFF, disconnect the battery negative cable and wait for 5 s.
    4. Reconnect the battery negative cable.
    5. Ignition ON, clear DTC B101D.
    6. Verify that DTC B101D is not set in K9 Body Control Module again.
      • If the DTC sets, replace the K9 Body Control Module.
      • If the DTC does not set
    7. All OK.
    • If DTC B101D is set in K9 Body Control Module with any symptom byte except F0 

      Replace the K9 Body Control Module.

    • If DTC B101D is set in other devices 

      Replace the device that set the DTC.

    • If DTC B101D is not set 
  3. All OK
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