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Home >> Cadillac >> 2015 >> CTS V, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 6.2L (LSA) - DTC P0340 To DTC P2635 And Diagnostic Information And Procedures (Coupe) >> Diagnostic Information and Procedures >> DTC P2548: Vehicle Dynamics System Torque Request Signal Message Counter >> Circuit/System Testing
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Circuit/System Testing

  1. Verify that no other DTCs are set except for DTC P2548.
    • If only DTC P2548 is set 
  2. Replace the K17 Electronic Brake 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 K20 Engine Control Module.

    • If DTC does not set 
  4. All OK.
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