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P0508 — IAC System Circuit Low

Idle air control circuit voltage too low.

Severity: MediumRepair: $50-$400Difficulty: Easy

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Common symptoms of P0508

Common causes of P0508

Repair cost & difficulty

Typical cost to fix P0508: $50-$400 · Difficulty: Easy

Pro tip: Clean throttle body and IAC valve.

Vehicles commonly affected

All makes

Related trouble codes

P0505P0506P0509

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ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.