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Home >> Chevrolet >> 2017 >> SS Standard Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Diagnostic Information and Procedures >> DTC C0242 or P0856: Powertrain Control Module Indicated Traction Control, Traction Control Torque Request Circuit >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON.
  2. Verify that no other DTCs are set except for C0242 or P0856.
    • If no other DTCs are set 
  3. Replace the K20 Engine Control Module.
  4. Verify that DTC C0242 or P0856 does not set while operating the vehicle within the Conditions for Running the DTC.
    • If DTC C0242 or P0856 sets 

      Replace the K17 Electronic Brake Control Module.

    • If DTC C0242 or P0856 does not set 
  5. All OK.
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