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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 P1AEC-P1AEF >> Circuit/System Verification
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Circuit/System Verification

  1. Vehicle ON.
  2. Verify DTC P0ABB, P0ABC, or P0ABD is not set.
    • Go to next step: If none of the DTCs are set 
  3. Verify DTC P1AEC, P1AED, P1AEE, or P1AEF is not set.
    • If any of the DTCs are set 

      Replace the T6 Power Inverter Module.

    • Go to next step: If none of the DTCs are set 
  4. All OK