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Home >> Buick >> 2019 >> Regal TourX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Automatic Transmission - 9T50 (M3D) And 9T60 (M3T) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P175F >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On/Vehicle - In Service Mode
  2. Verify there are no DTCs set related to the following component/system: Serial Data
    • If no other DTCs are set 
    1. Ignition/Vehicle - Off
    2. Replace the component: K17 Electronic Brake Control Module
    3. Operate the vehicle within the Conditions for Running the DTC.

      Verify the DTC does not set.

      • If the DTC sets - Replace the component: K71 Transmission Control Module
      • Go to next step: If the DTC is not set
    4. All OK.
    • Go to next step: If no DTC is set 
  3. All OK.
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