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Home › Cadillac › 2018 › CT6 Plug-In › Repair and Diagnosis › Hybrid/Electric Powertrain › Electric Converters and Controllers › Hybrid/EV Control System › Diagnostic Information and Procedures › DTC P0C76 › Circuit/System Verification

Circuit/System Verification

  1. Verify the contactors are operating normally.
    • If the contactors are not operating properly 

      Repair as necessary.

    • Go to next step: If the contactors are operating properly 
  2. Vehicle ON.
  3. With a scan tool, perform the Clear Secured High Voltage DTCs reset function.
  4. Verify DTC P0C76 is not set.
    • If the DTC is set 

      Replace the T6 Power Inverter Module.

    • Go to next step: If the DTC is not set 
  5. All OK
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