Code Enable Criteria

2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Code Enable Criteria
WARNING: This page is about a different variant/trim than selected.
  • Engine is running.
  • Engine speed is 400-5000 RPM.
  • Change in engine speed is less than 100 RPM.
  • Traction control is not active.
  • Throttle position is 0-100 percent.
  • Change in idle air is less than 10 grams/second.
  • Change in EGR position is less than 20 percent.
  • No change in A/C clutch status.
  • No change in power steering switch status.
  • Power Take-Off is not active.
  • No change in clutch status (M/T).
  • No change in brake switch status.
  • DTCs P0101, P0102, P0103, P0107, P0108, P0121, P0122, P0123, P0401, P0404, P0405, P0410, P0440, P0442, P0443, and P0446 are not set.
  • All conditions are stable for 2 seconds.

DTC sets when actual MAP sensor signal is not within predicted range for 1.5 seconds.

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.