p0500
Moderate
Toyota · Sedans
Vehicle Speed Sensor Malfunction
Quick Answer
Error code P0500 on your Toyota Sedans means: Vehicle Speed Sensor Malfunction. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Faulty vehicle speed sensor (VSS)
  2. Damaged or corroded wiring to the speed sensor
  3. Defective instrument cluster or ECM input circuit
  4. Damaged tone ring or reluctor wheel on the transmission output shaft
  5. Poor ground connection at the sensor
How to Fix It
1
Test the vehicle speed sensor output with a multimeter or oscilloscope while spinning the drive wheels
2
Inspect the wiring harness and connector at the VSS for damage or corrosion
3
Check the tone ring on the transmission for missing teeth or damage
4
Verify the ground circuit for the speed sensor has continuity
5
Replace the vehicle speed sensor if testing confirms it is faulty
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Vehicle speed sensor
Wiring harness repair kit
Transmission output shaft seal (if sensor is removed)
Related Error Codes
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