P0501 OBD II Trouble Code Vehicle Speed Sensor Range/Performance – DTC Code

Symptoms of P0501 OBD II Trouble Code

• loss of anti-lock brakes
• the "anti-lock" or "brake" warning lamps on the dash
  may be lit
• the speedometer or odometer may not work properly (or at all)
• your vehicle’s RPM limiter may be decreased
• the shifting of an automatic transmission may become erratic
• other symptoms may also be present

Common Causes of P0501 OBD II Trouble Code

• The Vehicle Speed Sensor (VSS) is not reading (functioning) properly
• There is a broken/frayed wire leading to the vehicle speed sensor
• The vehicle’s PCM is not correctly configured for the actual tire size on
  the vehicle