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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Battery, Charging System And Starting System - Except Hybrid) >> Diagnostic Information and Procedures >> DTC P166F: Generator Information Not Programmed Engine Control Module (ECM) >> Circuit/System Verification
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Circuit/System Verification

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  1. Ignition ON.
    1. Configure the K20 Engine Control Module.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the K20 Engine Control Module.
      • If the DTC does not set
    3. All OK.
    • If DTC P166F is not set 
  2. All OK.