How Long Does a Transmission Speed Sensor Last?

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Average rating from 68 customers who received a Transmission Speed Sensor Replacement.

The transmission speed sensor measures the RPMs of the shaft of the transmission. While the engine is running, but not moving, then the input shaft of the transmission is not moving either. When the input shaft moves, the transmission speed sensor reads this motion and delivers this information to the control module. Furthermore, while the input shaft is moving, the vehicle is moving, so the input shaft is rotating at the same RPMs as the engine. The speed of the vehicle depends on the input momentum and the present gear ratio, while the speed of the input shaft is related to the speed of the vehicle.

Over time, the transmission speed sensor can go bad due to wiring issues or just outright failing due to it constantly being used every time you are driving your vehicle. If the sensor is magnetic, it can go bad from iron sticking to the tip of the sensor, which will cause an inaccurate reading. In this case, the sensor may not have to be replaced as the sensor can be cleaned off. Yet, only a mechanic should make that determination because there may be damage to the electrical part of the sensor.

Normally, the transmission speed sensor is diagnosed with a scan tool which is read by a mechanic. If you suspect your transmission speed sensor needs to be replaced because your vehicle seems run at high or low RPMs, contact a professional mechanic so they can inspect your vehicle and read any error codes that come up. Reading the error codes is the most definitive way to determine if your transmission sensor speed is to blame.

Since the transmission speed sensor can go bad and fail over time, it is important to recognize the symptoms before it completely fails so you can have it replaced.

Signs your transmission sensor needs to be replaced include:

  • Erratic RPM readings

  • The needle not moving at all on your RPM gauge

  • Hesitation when you shift gears, either manual or automatic

The sensor is an important part of your transmission and your vehicle running smoothly, so this repair should not be put off. Have a certified mechanic replace the failing transmission speed sensor to eliminate any further problems with your vehicle.


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Recent Transmission Speed Sensor Replacement reviews

Excellent Rating


YourMechanic Transmission Speed Sensor Replacement Service

Average Rating

4.8/5

Number of Reviews

68

Rating Summary
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Bobby

26 years of experience
46 reviews
Bobby
26 years of experience
Dodge Durango - Transmission Speed Sensor - Charlotte, North Carolina
He was on time kind and very knowledgeable he is a really good mechanic and had a game plan already when he arrived Mr.Bobby was more than I expected 
Lexus GS300 - Transmission Speed Sensor - Charlotte, North Carolina
Bobby arrived early, called and confirmed the appointment, explained all of the services and he was courteous, professional, honest and his integrity was much appreciated.

Andrew

24 years of experience
150 reviews
Andrew
24 years of experience
Dodge Ram 1500 - Transmission Speed Sensor - Monroe, Georgia
Andrew was great, professional, courteous and very helpful. I would definitely recommend to my friends
Lexus IS300 - Transmission Speed Sensor - Jonesboro, Georgia
Mr. Elphic was very professional. He called and asked if he could arrive sooner than expected, which was definitely a plus. Upon arrival, he confirmed the services he would be performing and I supplied the parts. He finished in a very timely manner and communicated other repairs needed in the near future. All old parts were given back to me boxed up and the area was clean as if he never performed any work. I was skeptical of using this online service but I wish i had known about it sooner. The price was outstanding and the work is excellent. There's no hassle and no up-selling. Mr. Elphic was very friendly and professional and I'm definitely going to use this service from now on. I can't imagine ever going to a garage/shop again, unless it's something major.

Brandon

17 years of experience
275 reviews
Brandon
17 years of experience
Dodge Ram 1500 - Transmission Speed Sensor - Stone Mountain, Georgia
Very quick and was able to diagnose another problem just by listening to the engine. I think Brandon is a great mechanic.
Chrysler Town & Country - Transmission Speed Sensor - Hoschton, Georgia
Brandon is very knowledgeable, HONEST, and a TRUE professional. A well-known "Christian", family-owned since 1961 transmission SPECIALIST quoted us $4500 for a brand new tranny in a vehicle with 97,000 miles on it as their ONLY solution AND after their suggested tow operator charged me $90 to go 9 miles. Ended up being an $18 senor which Brandon replaced and saved me literally THOUSANDS of dollars. I will recommend ypurmechanic.com to EVERYONE I know. From the customer service rep when I initially booked the appointment, to their confirmation and follow-up, to the service provided by Brandon.... "This one goes to 11"...!!!

Nicholas

10 years of experience
304 reviews
Nicholas
10 years of experience
Honda Accord - Transmission Speed Sensor - Durham, North Carolina
He was early for appointment. Did his work very well and very quick. He was very knowledgeable with his answers to my questions. Highly recommend Nicholas he was fantastic.

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