2011 Cadillac STS AWDFACTORY OEM SERVICE PROCEDURE

Circuit/System Verification

WARNING: This page is about a different car, the 2015 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify there are no DTCs set, except for DTC B101E 4B in the B233B Radar Sensor Module - Long Rage or K109 Frontview Camera Module.
    • If no other DTCs are set 
    3. NOTE:

    Before conducting alignment, verify that the K109 Frontview Camera Module will not have difficulty seeing the lines on the road. If the view of the K109 Frontview Camera Module is blocked with mud, dirt, snow, ice, or slush, if the windshield is damaged, or if weather limits visibility, such as while driving in fog, rain, or snow conditions, the calibration procedure may not be able to be completed.

  3. Perform the calibration procedure. Refer to Front View Camera Module Calibration .
  4. Verify DTC B390D 66 is not set
    • If DTC B390D 66 is set 

      Replace and calibrate the K109 Frontview Camera Module.

    • If DTC B390D 66 is not set 
  5. All OK.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.