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Home >> Cadillac >> 2017 >> Escalade Base, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Ignition Switch/Steering Lock >> Wiring Systems And Power Management - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC B1370, B1380, or B1441: Control Module Ignition Circuits >> Circuit/System Verification
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Circuit/System Verification

  1. Verify DTC U1814 is not set.
    • If DTC is not set 
  2. Ignition ON.
  3. Verify the scan tool power mode parameters change when cycling the S39 Ignition Switch between OFF, Accessory, ON, and Start.
    • If the power mode parameters do not change 

      Refer to Circuit/System Testing.

    • If the power mode parameters change 
  4. All OK.
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