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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 135 (12 V Starting And Charging - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P100C or P100D >> Circuit/System Verification

Circuit/System Verification

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  1. Vehicle in Service Mode ON.
  2. Verify DTC P100C or P100D is not set.
    • If the DTC is set 

      Replace the B110 Battery Monitor Module

    • Go to next step: If the DTC is not set 
  3. A fault is not currently present and may be an intermittent condition. Refer to Diagnostic Instructions.
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