Defective vehicle speed sensor

A defective vehicle speed sensor will transmit the wrong information, or may not transmit any information at all. If the sensor is defective, the ECU may receive the wrong information and make improper adjustments. The speedometer may also display the wrong speed.

Table of Contents

• 1. Symptoms
  • 1.1 Speedometer Displays the Wrong Speed

Symptoms

Speedometer Displays the Wrong Speed

If the speedometer is displaying the wrong speed, or not moving at all, the vehicle speed sensor may be defective.