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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Hybrid/EV System Controls >> Diagnostic Information and Procedures >> DTC P1B0D or P1B0E: Drive Motor 1 Control Module Drive Motor Overspeed >> Circuit/System Verification
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Circuit/System Verification

  1. Vehicle ON.
  2. Verify no other Hybrid Transmission DTCs are set.
    • If no other Hybrid Transmission DTCs are set 
  3. Verify DTC P1B0D or P1B0E is not set.
    • If any of the DTCs are set 
    1. Program the T6 Power Inverter Module.
    2. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
    3. Verify the DTC does not set.
      • If the DTC sets, replace the T6 Power Inverter Module.
      • If the DTC does not set.
    4. All OK
    • If none of the DTCs are set 
  4. All OK
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