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Home >> GMC >> 2018 >> Terrain SL >> Repair and Diagnosis >> Electrical >> Charging Systems >> 12 V Starting And Charging System >> Diagnostic Information And Procedures >> DTC P166F: Generator Information Not Programmed Engine Control Module (ECM) >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

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.
      • If the DTC does not set
    3. All OK.
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