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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G1500, VAN CARGO, 5.0 MREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS SELF-DIAGNOSTICS - 5.0L & 5.7LDIAGNOSTIC TESTSDTC P0506: IDLE CONTROL SYSTEM - LOW RPMCODE ENABLE CRITERIA
2001 Chevrolet Chevy Express G1500, Van Cargo, 5.0 M

Code Enable Criteria

2001 Chevrolet Chevy Express G1500, Van Cargo, 5.0 MSECTION Code Enable Criteria
  • Engine Coolant Temperature (ECT) is more than 140°F (60°C).
  • Barometric (BARO) pressure is more than 65 kPa.
  • Engine run time is more than 60 seconds.
  • TP sensor is less than 0.7 percent.
  • Vehicle Speed Sensor (VSS) is less than one MPH.
  • Ignition voltage is 9-18 volts.
  • Intake Air Temperature (IAT) is more than 14°F (-10°C).
  • DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0117, P0118, P0121, P0122, P0123, P0125, P0128, P0171, P0172, P0174, P0175, P0200, P0300, P0401, P0404, P0405, P0440, P0442, P0443, P0446, P0449, P1111, P1112, P1114, P1115, P1121, P1122, P1380, P1381, P1404, or P1441 are not set.
  • Conditions are present for 2 seconds.

DTC sets when actual engine speed is 100 RPM less than desired engine speed.

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.