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P0503 — Vehicle Speed Sensor Intermittent/Erratic/High

VSS signal is intermittent or erratically high.

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

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Common symptoms of P0503

Common causes of P0503

Repair cost & difficulty

Typical cost to fix P0503: $50-$400 · Difficulty: Medium

Pro tip: An intermittent VSS can cause very annoying driveability issues. Replace the sensor.

Vehicles commonly affected

All makes

Related trouble codes

P0500P0501P0502

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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.