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Home >> Buick >> 2019 >> Regal Base >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> DTC P100C or P100D >> Circuit/System Verification

Circuit/System Verification

  1. Ignition 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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