Diagnostic Aids

2015 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN BSECTION Diagnostic Aids
  • Faulty wheel speed sensor will not set this DTC.
  • A vehicle using a space saver spare will not set this code.
  • Installing a tire of significantly different size on the vehicle causes this DTC to set.
  • Operating the vehicle with a tire that has very low air pressure may also set this DTC.
  • Inspect the vehicle for an incorrect or damaged wheel speed sensor or VSS if the tires and the EBCM and ECM calibrations are OK.
  • If the front tires are not the same size as the rear tires, the EBCM calibration must match the FRONT tire size and the ECM calibration must match the REAR tire size.
RENDER: 1.0x

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When to See a Mechanic

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

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