What would cause a speedometer to malfunction?

What would cause a speedometer to malfunction?

The most common causes of a speedometer that stopped working include are a faulty speed sensor, a broken gear on the speedometer, damaged wiring, or a faulty engine control unit.

Where is the speed sensor located on a 2004 GMC Envoy?

The speed sensor is located in the rear axle.

Where is the speed sensor located on a 2005 Chevy TrailBlazer?

The vehicle speed sensor is located on the passenger side of the transmission on the tail housing.

Where is the speed sensor located on a 2003 Chevy TrailBlazer?

The 2003 Chevy TrailBlazer rear wheel speed sensor is located on the driver’s side of the transmission mounted on the transmission output shaft. You will have to jack up the vehicle and crawl underneath to gain access to the speed sensor.

Is there a fuse for your speedometer?

If the mechanic believes that a fuse or bad wire has caused the speedometer to stop working, he or she will begin by examining the fuse to check if it has been blown. If so, the mechanic will replace the fuse.

Why is the speedometer on my GMC Envoy not working?

While there are a variety of reasons your GMC Envoy speedometer is not working, the most common 3 are the vehicle speed sensor (VSS), a faulty speedometer, or an electrical issue. Due to the nature of electrical systems on modern vehicles, the range of problems these can cause are nearly limitless.

When did the GMC Envoy instrument panel problems start?

It started in early December of 2007. Intermittent manifestations, than more persistent. They replaced the ignition switch and sent me home. It got progressively worse. It’s a short in the instrument cluster. They needed to replace the entire cluster. I bought an extended warranty when I bought the truck.

What’s the warranty on a GMC Envoy?

It seems a lot of GM trucks using the cluster gauge PART # IS X C5 168 from 03 to 06 fail quite easily. GM supposedly extended a warranty to 7, 70,000 miles. After that you are on your own. The replacement is PART # X 25 168.

What would cause a speedometer to malfunction? The most common causes of a speedometer that stopped working include are a faulty speed sensor, a broken gear on the speedometer, damaged wiring, or a faulty engine control unit. Where is the speed sensor located on a 2004 GMC Envoy? The speed sensor is located in the…