**Vehicle Speed Sensor:
*Faulty speed sensor
*Damaged wiring to the vehicle speed sensor (VSS)
*Dirty VSS
Instrument Cluster:
*Faulty gauge
*Malfunctioning instrument cluster
*Problem with the circuit board or electrical signals within the cluster
Vehicle Computer Problems
*Software glitch
Wiring Issues
*Faulty odometer connection
*Open circuit from the instrument cluster to the speed sensor.
Transmission Malfunction
* Transmission range sensor
* Vehicle's drivetrain