GM OBD Trouble Code 35

Idle Air Control Valve Problem or Idle Error

The ECM commands the Idle Air Control Valve as necessary to maintain the correct engine idle. 

Fault Code Description

  • 35 - Idle Air Control Valve problem or idle error


  • Idle too high or too low
  • Engine stalling

Common Problems

  • Faulty Idle Air Control Valve
  • Deposits on throttle body or Idle Air Control Valve air passages

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