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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (Antilock Brake System - Except Hybrid (Hp4)) >> Diagnostic Information and Procedures >> DTC C0131 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Apply the brake pedal.
  3. Verify the function:The stop lamps, also known as brake lamps, are activated when the driver applies the vehicle's brakes.
    • Go to next step: If the function is executed as expected 
  4. Verify DTC C0131 is not set.
    • If DTC C0131 is set 
    1. Calibrate the brake pressure modulator valve pressure sensor.
    2. Verify the DTC does not set.
      • If the DTC sets - Replace the component:K17 Electronic Brake Control Module & Q5 Brake Pressure Modulator
      • Go to next step: If the DTC is not set
    3. All OK.
    • Go to next step: If the DTC is not set 
  5. All OK.
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