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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 C0131 >> 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. Apply and release brake pedal. Verify the brake stop lamps operate properly.
    • Go to next step: If the brake stop lamps operate properly 
  3. Verify that DTC C0131 is not set.
    • If the DTC is set 
    1. Perform the Brake Pressure Modulator Valve Pressure Sensor Calibration .
    2. Verify the DTC does not set.
      • If the DTC sets, replace the K17 Electronic Brake Control Module with the Brake Pressure Modulator.
      • Go to next step: If the DTC does not set
    3. All OK.
    • Go to next step: If the DTC is not set 
  4. All OK.