Powertrain
generic / SAE
P0503
Vehicle Speed Sensor A Circuit Intermittent Erratic or High
Same as P0502 with the signal noisy, erratic or above the plausible upper limit - typical for a chafed harness, missing reluctor tooth or a sensor with a weakened magnet.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 03
Possible causes
- Noise on signal line or intermittent open high
- Reluctor ring damaged or missing teeth medium
- Connector with intermittent contact under vibration low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 80–280 €
- Estimated time: 0.4–1.4 h
- Component: vehicle speed sensor a
- Component: vss wiring
- Component: reluctor ring
- MIL / check engine light
Sources
References
sae:J2012