TorqueMech Beta
TorqueMech OBD Code Guide

P0505 - Idle Air Control System Malfunction

Idle control is not operating as expected.

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Code Meaning

Idle control is not operating as expected.

Common Causes

Dirty throttle body
IAC valve failure (if equipped)
Vacuum leak

Quick Checks

  • Clean throttle body
  • Check for vacuum leaks
  • Perform idle relearn if applicable

Likely Repairs

Use test results to confirm the fault before pricing the repair.

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Related Codes

P0507
Idle Control System RPM Higher Than Expected
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Next Steps

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