Fail Safe Operation: Notes

2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Notes
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

Operation of vehicle systems depends on power mode. There is a fail-safe plan in place should PMM fail to send a power mode message. Fail-safe plan covers modules using exclusively serial data control of power mode and modules with discrete IGNITION signal inputs.

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.