Diagnostic Aids: Notes

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Notes

If 2 or more wheel speed sensors are inoperative diagnose each wheel speed sensor individually.

An ECE 13 response may be required (this checks if the fault was set at last ignition key OFF, if it was set, upon vehicle key ON the status of the fault will be treated as a active fault), after repairs are made, and DTCs are cleared, operate the vehicle at speeds greater than 13 km/h (8 mph) to complete the self test, and the EBCM will turn off the ABS indicator.

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.