OBD-II diagnostic trouble code
P0501Caution
Vehicle Speed Sensor Range/Performance
The speed sensor is producing a signal, but it doesn't track plausibly with the rest of the car's data, often from a damaged tone ring rather than full sensor failure.
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Code names are compiled from open/standardized SAE and ISO references. Explanations, symptoms, causes and fixes are original. Covers generic (P0/C0/B0/U0) codes only — manufacturer-specific codes are planned for a future update.
Frequently asked questions
Can I drive with P0501?
You can usually keep driving with P0501, but don't put it off — the underlying cause can get worse or lead to further damage the longer it goes unaddressed. Get it diagnosed as soon as you reasonably can.
How much does it cost to fix P0501?
The cost varies too much by cause and vehicle to give a single figure here — a diagnosis will narrow it down.
What causes P0501?
Reviewed by Artyom SemenovAutomotive Editor · Fact-checked by Yauheni Kapliarchuk, Editor-in-Chief