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Home >> Cadillac >> 2019 >> CT6 V >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> DTC P166F >> Circuit/System Verification

Circuit/System Verification

  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.
      • Go to next step: If the DTC does not set
    3. All OK.
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