How Long Does a Speedometer Sensor Last? | YourMechanic Advice

How Long Does a Speedometer Sensor Last?

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Average rating from 64 customers who received a Speedometer Sensor Replacement.

While a mechanical speedometer will use a speedometer cable attached to the driveshaft and transmission, that’s not the case with an electronic speedometer, such as is used in most modern vehicles. These use a speedometer sensor. It’s mounted to the transmission, but there is no cable that connects it to the back of the speedometer housing. Instead, it sends a series of pulses to the car’s computer, which interprets those signals, and then displays them as the speed at which you’re traveling.

Each vehicle requires a specific speedometer sensor calibrated for it’s unique specifications. In addition, the speedometer sensor is in use at all times when your car is on the road. If you’re moving, the sensor is sending signals to the computer. The good news is that mechanical failure isn’t a problem (it’s an electronic component). The bad news is that electronic components can still fail early.

Under ideal circumstances, your speedometer sensor should last for decades, if not the life of the car. However, premature failure does happen. Damage to the wiring harness, exposure to caustic fluids, and many other things can cause problems with the sensor. Debris can also build up around the base of the sensor, which actually mounts inside the transmission housing.

If your speedometer sensor fails, your speedometer itself will be unreliable. It might not work at all in a worst-case scenario. Knowing a few common symptoms to watch for can help make this situation easier to deal with. They include:

  • Speedometer doesn’t work
  • Speedometer is inaccurate (reading too high or too low)
  • Speedometer needle bounces, or digital readout changes randomly
  • Check Engine light is on
  • Cruise control doesn’t work

If you’ve noticed any of these symptoms, or believe that there’s a problem with the speedometer or speedometer speed sensor, YourMechanic can help. One of our mobile mechanics can visit your home or office and diagnose the problem, and then replace your speedometer sensor.


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Recent Speedometer Sensor Replacement reviews

Excellent Rating


YourMechanic Speedometer Sensor Replacement Service

Average Rating

4.6/5

Number of Reviews

64

Rating Summary
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Rigoberto

10 years of experience
739 reviews
Rigoberto
10 years of experience
Jeep Liberty - Speedometer Sensor - Chicago, Illinois
Not only did Rigobertos did an excellent job in repairing my car, I actually saved some money from the original price quote.
Jeep Liberty - Speedometer Sensor - Chicago, Illinois
Rigobertos brought my car back to life after it was not drivable for five months. His knowledge and professionalism is top notch.

Jose

14 years of experience
205 reviews
Jose
14 years of experience
Pontiac Grand Prix - Speedometer Sensor - Duluth, Georgia
Jose was very professional, was on time (actually a bit earlier than expected which was just fine for me) and did the job in a timely fashion. There was a mix up with the part but he went out and was able to get the correct one, at no extra charge for me, and he even made sure that everything was working afterwards. Did a great job and would definitely recommend to friends and family.
Buick LeSabre - Speedometer Sensor - Roswell, Georgia
Jose was punctual and professional. He did an excellent job fixing our speedometer. We've already booked him for another gig. Thank you for this service!

Todd

25 years of experience
95 reviews
Todd
25 years of experience
Honda Accord - Speedometer Sensor - Newport News, Virginia
Great job. Very professional. I thought replacing the VSS would solve the problem but it didn’t. Please help.

Jerome

33 years of experience
199 reviews
Jerome
33 years of experience
Honda Accord - Speedometer Sensor Replacement - Silver Spring, Maryland
Jerome was very prompt, courteous, and knowledgeable in the replacement of the speedometer on my 1997 Honda. It works perfectly. He also was kind enough to advise on other Honda issues I should have checked.

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