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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis >> Electrical >> Charging Systems >> Plug-In Charging >> Diagnostic Information and Procedures >> DTC P1ECE >> Circuit/System Verification
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Circuit/System Verification

  1. Connect the drive motor battery charger cable. Vehicle in Service Mode.
  2. Perform the scan tool control function: Battery Charging System Efficiency Test (Active Test) @ K114B Hybrid/EV Powertrain Control Module 2 - On. Wait for test to complete.
  3. Verify DTC P1ECE is not set.
    • If the DTC is set 

      Replace the T18 Battery Charger.

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