Speedometer doesn’t work and transmission won’t shift

If both your speedometer and transmission stop working all of a sudden, the culprit is most likely a bad speed sensor. The speed sensor in your car is used by your speedometer, transmission, and cruise control system (if your car has one) and if it fails, it can easily affect all of these things.

Can speed sensor cause transmission not to shift?

An abnormal automatic transmission operation is one of the most common signs of a faulty speed sensor. A faulty VSS can cause delays in shifts, hard shifts, and limited gear operation if it is faulty.

Can speedometer affect transmission?

The speed sensor is a small device that tells your car’s speedometer how fast you’re going. It plays a role in your car’s transmission and cruise control systems.

What causes a transmission to not want to shift?

Over time, dirt, debris and other tiny particles can accumulate in the transmission fluid, affecting its fluid properties. This can cause the vehicle to die when you shift into drive or reverse, allow a loss of power, transmission slip, rough shifts or even prevent the vehicle from shifting into gear at all.

What causes a speedometer to stop working while driving?

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.

How do I know if my transmission speed sensor is bad?

The following signs will show you if your transmission speed sensor has failed.

  1. Cruise Control Fails. The main function of the speed sensors is to monitor the output and input shaft speed. …
  2. Improper Or Harsh Shifting. …
  3. The Check Engine Light Indicates.

How much does it cost to replace a transmission speed sensor?

The average cost for vehicle speed sensor replacement is between $256 and $301. Labor costs are estimated between $107 and $135 while parts are priced between $149 and $166. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.

Where is the speed sensor located on the transmission?

Locate the transmission speed sensors, they’ll be near the front and rear of the transmission housing.