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HOMESERVICE MANUALSCHEVROLET2019EXPRESS 2500 BASE, VAN CARGO EXTENDED, 6.0L ENG VIN GREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 35 (ANTILOCK BRAKE SYSTEM)REPAIR INSTRUCTIONSBRAKE PRESSURE MODULATOR VALVE ADAPTIVE PRESSURE CALIBRATION
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN G

Brake Pressure Modulator Valve Adaptive Pressure Calibration

2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN GSECTION Brake Pressure Modulator Valve Adaptive Pressure Calibration
WARNING: This page is about a different car, the 2018 GMC Savana 3500, 2018 GMC Savana 2500, 2018 Chevrolet Express 3500, and 2018 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

The adaptive pressure control learn is not required the learn will automatically perform a maintenance run every 200 - 300 ignition cycles at vehicle speeds between (40 - 50 mph). If a customer is concerned about an intermittent humming or buzzing noise perform this adaptive pressure control learn to determine if this is what the customer heard.

The adaptive pressure control learn can be completed with a scan tool using the following steps:

  1. Place the vehicle on a flat level surface.
  2. Maintain the system voltage by connecting a battery charger.
  3. Apply the parking brake, or set the transmission in the Park.
  4. Release the brake pedal.
  5. Install the scan tool to the data link connector.
  6. Engine running
  7. Turn Off or disable systems that may put a load on the vehicles battery such as; interior lights, exterior lights (including daytime running lights), HVAC, radio, etc.
  8. Select Adaptive Pressure Control Learn in the Brake System Control Module Configuration/Reset Functions list.
  9. Follow the scan tool directions to complete the calibration learn procedure.
  10. Clear any DTCs that may be set.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.