P0500
PowertrainSpeed Idlemoderate severityVehicle Speed Sensor A
What P0500 Means
Malfunction in the vehicle speed sensor (VSS) circuit.
Symptoms
- Check Engine Light
- Speedometer not working
- Erratic shifting
- Cruise control inoperative
- ABS light on
Common Causes
- Faulty VSS
- Wiring damage
- Tone ring damage
- PCM issue
- Instrument cluster issue
Diagnostic Steps
- Test VSS output signal
- Inspect wiring
- Check tone ring
- Monitor speed signal with scan tool
Where to start: Replace VSS. Check transmission output shaft sensor on automatic trans vehicles.
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