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Home >> GMC >> 2017 >> Acadia SL >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Diagnostic Information and Procedures >> DTC C0242: Engine Control Module Indicated Traction Control >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON.
  2. Verify that no other DTCs are set except for C0242.
    • If no other DTCs are set 
  3. Replace the K20 Engine Control Module.
  4. Verify that DTC C0242 does not set while operating the vehicle within the Conditions for Running the DTC.
    • If DTC sets 

      Replace the K17 Electronic Brake Control Module.

    • If DTC does not set 
  5. All OK.
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