Powertrain
generic / SAE
P0501
Vehicle Speed Sensor "A" Range/Performance
The VSS signal is present but inconsistent — either values jump implausibly or the sensor reports a speed inconsistent with engine RPM in gear. Often a damaged reluctor ring or a sensor with degraded magnetic response.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 01
Possible causes
- Sensor signal intermittent high
- Reluctor tooth damaged low
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–400 €
- Estimated time: 0.5–3 h
- Component: vehicle speed sensor
- Component: reluctor ring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012