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Home › Cadillac › 2017 › CT6 Plug-In › Repair and Diagnosis › Electrical › Body Electrical › Hybrid/EV System Controls › Diagnostic Information and Procedures › DTC P1A4F, P1A50-P1A54, P1ADC or P1ADD: Drive Motor Control Module Memory › Circuit/System Verification

Circuit/System Verification

  1. Vehicle ON.
  2. Verify DTC P1A4F, P1A50, P1A51, P1A52, P1A53, P1A54, P1ADC and P1ADD is not set.
    • If any of the DTCs are set 
    1. Program the T6 Power Inverter Module.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the T6 Power Inverter Module.
      • If the DTC does not set.
    3. All OK
    • If none of the DTCs are set 
  3. All OK
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