P0500 vehicle speed sensor malfunction OBDII code

P0500 Vehicle speed sensor malfunction

What is p0500 OBD 2 code

P0500 is a common code which causes check engine light to glow in modern vehicles. The code P0500 means Vehicle Speed Sensor Malfunction. P0500 code can come due to many reason and an automotive service engineer or technician should troubleshoot and diagnose such condition and dig behind the reason for P0500 trouble code. Tools like scan tool and oscilloscope is used to diagnose and troubleshoot the code p0500.

p0500 vehicle speed sensor code
p0500 vehicle speed sensor code


p0500 trouble code definition

The code p0500 is a common obdII code which shows  a defect or malfunction detected in the vehicle speed sensor circuit. This code is associated with other trouble codes like p0501, p0502, p0503 etc.

What does the trouble code p0500 mean

The trouble code p0500 indicates fault found with vehicle speed sensor. The speed sensor sends pulses according to the vehicle speed to vehicle ecu or pcm. When these pulses are not received to the vehicle computer or ecu, the ecu or pcm sets the code p0500 and glow the check engine light which tells the driver that something is in trouble and need to check the system.

Why p0500 code comes?

There are a few reasons which causes p0500 code

  • Failed or defective vehicle speed sensor at drive gear
  • Loose connections in electrical system
  • Short circuit or open circuit in wiring harness
  • Defective or malfunctioning speed sensor

Symptoms of code p0500 in vehicle

  • The vehicle speedometer would not work
  • This code would disable vehicle ABS and traction control systems.
  • The check engine would come on
  • Automatic transmission shifting could be affected due to code p0500 in the system.


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