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Home >> GMC >> 2018 >> Terrain SL >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Antilock Brake System >> Diagnostic Information And Procedures >> DTC P1513: Traction Control Drag Reduction Request Circuit >> Circuit/System Testing

Circuit/System Testing

  1. Verify that no other DTCs are set except for P1513.
    • Go to next step: If only DTC P1513 is set 
  2. Replace the K20 Engine Control Module.
  3. Verify the DTC does not set while operating the vehicle within the Conditions for Running the DTC.
    • If DTC sets 

      Replace the K17 Electronic Brake Control Module.

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