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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C0242 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify that no other DTCs are set except for C0242.
    • Go to next step: 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.

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