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Home >> Chevrolet >> 2013 >> Spark LS, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 42 (Data Communication System) >> Diagnostic Information and Procedures >> DTC B101D: Electronic Control Unit Hardware >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2014 Chevrolet Spark. 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 with symptom byte 43 
    1. Program the device that set the DTC.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the device that set the DTC.
      • If the DTC does not set
    3. All OK.
    • If DTC B101D is set with any symptom byte, except symptom byte 43 

      Replace the device that set the DTC.

    • If DTC B101D is not set 
  3. All OK
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