Toyota Corolla: VSS – Circuit Malfunction


P0500 This OBDII code is used to troubleshoot the Toyota Corolla‘s Vehicle Speed Sensor (VSS). The VSS sends a signal to the engine’s computer letting it know how fast that the vehicle is going.

Toyota Corolla P0500

This signal is used by the Corolla for many functions. This signal controls transmission shifts and ABS. It also helps to control cruise control, speedometer, and other vehicle functions. Repairing this should be a top priority.


Índice de Contenido
  1. Toyota Corolla P0500 Symptoms
  2. Toyota Corolla: P0500 Causes
  3. Fixed Price: P0500
  4. Conclusion

Toyota Corolla P0500 Symptoms

Your symptoms may vary depending upon the year of your vehicle and other factors. However, these are the most prevalent symptoms of P0500.

  • Failed speedometer– Without a properly working vehicles speed sensor, the speedometer will not register any speed. It’ll just sit at 0 MPH while you are driving. You can see the Odometer It may not be possible.
  • Cruise Control Failed– When a vehicle is not getting a signal from the VSS, it’ll not let the cruise control engage. This makes sense since it can’t control the speed when it doesn’t know how fast it is going.
  • Harsh Shifts You might notice a shift that is different from what you are used to.
  • Anti-lock Brakes– The Corolla’s ABS may not work or could be compromised. VSS is just one of many sensors in a complex system that prevents wheels locking when there's heavy breaking pressure.


Toyota Corolla: P0500 Causes

P0500 Toyota Corolla

  • Bad VSS– More often than not, when P0500 is thrown, replacing the Vehicle Speed Sensor will remedy the problem. These are Also, quite reasonable.
  • The Wiring Problem– Due to the location of the VSS, the wiring harness going from the vehicles computer to it can often become damaged and open/short out. If this happens, the Corolla won't be able determine the VSS readings. It would be safe to look at the harness. You must make sure it is properly plugged. You can then check to make sure that no frayed wiring exists. Here’s What to do if you have a problem? (YouTube).
  • Tires– On some vehicles, P0500 can be thrown if the tires have been swapped to a size that is different from the factory setting.


Toyota Corolla P0500 Fix
P0500 is usually caused by a Vehicle Speed Sensor


P0500 is the main reason that the code was not thrown all the time. The ECM/PCM could be bad. This is not the place you should be looking, but the final.

Because of their location, it is possible for the wiring harness connecting to them to fail. It is a bad idea to replace it without checking it.

Fixed Price: P0500

The Wiring Harness should be inspected first. If it looks great, then take a closer look at VSS. Are there any obvious damage signs?

If you've done it before, or even earlier if you are lucky), you can go back to work. Useful scan tool) it’s time to test the sensor and see if the VSS signal goes up and down with the vehicle speed. If it doesn’t, replacing the sensor could fix the problem. If it does, you’ll have to test the rest of the circuit.



It can be difficult to diagnose P0500 problems in your Toyota Corolla. Don’t skip checking the wiring harness first. You are welcome!

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