What P0500 means
Vehicle Speed Sensor Malfunction
How to diagnose
- Read freeze frame data. When P0500 set, your ECU snapshotted every sensor at that moment. This tells you what the car was doing when the fault triggered — RPM, load, coolant temp, throttle position, fuel trims. Almost always enough info to figure out the cause without further testing.
- Check for related codes. If you have P0500 plus other codes, fix the earliest one in the chain first — a single root cause often triggers multiple codes.
- Cheap fixes first. For most codes, the order is: inspect connectors + wiring (free), check for vacuum leaks (cheap), replace sensor (moderate), replace mechanical part (expensive). Follow that ladder before dropping money on parts.
Manufacturer-specific descriptions
Different manufacturers use P0500 for slightly different failure modes:
| AUDI | Defective Vehicle Speed Sensor, Defective Speedometer, Vehicle Speed Sensor wiring or connector, Communication (CAN) bus problems, Defective transmission or differential Vehicle Speed Sensor drive gear |
| BMW | Vehicle Speed Sensor "A" |
| FIAT | Vehicle speed signal from CAN, Plausibility |
| FORD | Vehicle Speed Sensor Malfunction; VEHICLE SPEED SENSOR "A" |
| HONDA | Vehicle Speed Sensor (VSS) Circuit Malfunction |
| MITSUBISHI | Vehicle Speed Sensor Malfunction; Vehicle speed signal |
| NISSAN | Vehicle Speed Sensor Malfunction |
| VOLKSWAGEN | Vehicle Speed Sensor (VSS) Circuit |
Read P0500 on your own car
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