LEMON Manuals: Even more car manuals for everyone
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 C0274, C0275, or C0280 >> 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.
NOTE:

Since most occurrences of this DTC are caused by excessive ABS or traction control usage, review with the customer the conditions under which the DTC set.

  1. Ignition ON.
  2. Verify that DTC C0186, C0187, C0196, C0287, or C0710 is not set.
    • Go to next step: If none of the DTCs are set 
  3. Ignition OFF, allow the hydraulic brake pressure modulator to cool down to ambient temperature.
  4. Ignition ON.
  5. Verify that DTC C0274 54, C0275 54, or C0280 54 are not set while driving the vehicle within normal braking conditions.
    • If any of the DTCs are set 

      Replace the K17 Electronic Brake Control Module with Brake Pressure Modulator.

    • Go to next step: If none of the DTCs are set 
  6. All OK.
scientia non olet · About LEMON Manuals