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Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 149 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC P2548: Vehicle Dynamics System Torque Request Signal Message >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  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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