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Home >> Cadillac >> 2016 >> ELR >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Data Communication System - DTC B1000 To DTC U183B >> Diagnostic Information and Procedures >> DTC P16C1-P16C5: Battery Charger Control Module >> Circuit/System Verification
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Circuit/System Verification

  1. Vehicle in Service Mode.
  2. Verify that DTC P16C1, P16C2, P16C3, P16C4, or P16C5 is not set.
    • If any of the DTCs are set 
    1. Program the T18 Battery Charger.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the T18 Battery Charger.
      • If the DTC does not set
    3. All OK.
    • If none of the DTCs are set 
  3. All OK
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