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.
  • Minimum intake air temperature is 19°F (-7°C) or more.
  • Start-up coolant temperature is less than 104°F (40°C).
  • Engine has been running more than 2 minutes and less than 17 minutes.
  • Vehicle speed is more than 5 MPH for more than 0.5 mi.
  • MAF average reading is more than 15 grams/second.
  • DTCs P0100, P0101, P0103, P0110, P0111, P0112, P0113, P0117, P0118, P0125, P0500, P0501, P0503, P1114, or P1115 are not set.

DTC sets when closed loop coolant temperature of 104°F (40°C) is not reached within a predetermined time.

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:

  • 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.