Symptoms of a Bad or Failing Transmission Position Sensor (Switch)

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Cost of Replacing a Bad or Failing Transmission Position Sensor (Switch)

Common signs include the car not starting or moving, transmission going into a different gear than selected, and the vehicle going into limp mode. Our certified technicians can come to you and diagnose the problem. You will receive a $30 credit towards any follow-up repairs that result from the diagnostic. Following are example prices for Transmission Position Sensor (Switch) Replacement. Click on the button below to get an upfront quote for your car.

Cars Estimate Parts Cost Labor Cost Savings Average Dealer Price
2006 Volvo S80 $358 $281.00 $77.00 10% $399.25
2005 Pontiac Vibe $352 $282.08 $70.00 9% $389.58
2009 Buick Allure $159 $88.99 $70.00 19% $196.49
2005 BMW 745Li $530 $389.98 $140.00 12% $604.98
2006 Infiniti M45 $168 $77.04 $91.00 22% $216.79
2009 Ford Mustang $143 $72.52 $70.00 20% $180.02
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How to Diagnose a Bad or Failing Transmission Position Sensor (Switch)?

transmission position sensor

The transmission position sensor, also known as the transmission range sensor, is an electronic sensor that provides a position input to the Powertrain Control Module (PCM) so that the transmission can be properly controlled by the PCM according to the position commanded by the sensor.

Over time, the transmission range sensor may begin to fail or wear out. If the transmission range sensor fails or suffers a malfunction, there are a number of symptoms that could appear.

1. Car does not start or cannot move

Without a proper Park/Neutral position input from the transmission range sensor, the PCM will not be able to crank the engine over for starting. This will leave your car in a situation where it cannot be started. In addition, if the transmission range sensor has completely failed, the PCM will not see any gear command input at all. This means that your vehicle will not be able to move at all.

2. Transmission goes into different gear than selected

There could potentially be a mismatch between the gear selector lever and the sensor input signal. This would cause the transmission to be in a different gear (controlled by the PCM) than the one selected by the driver using the shift lever. This could lead to unsafe operation of the vehicle and could likely become a traffic hazard.

3. Vehicle goes into limp mode

On some vehicles, if the transmission range sensor fails, the transmission can still be mechanically placed into gear, but the PCM will not know which gear that is. The transmission will be hydraulically and mechanically locked into one specific gear for safety, a situation known as limp mode. Depending on the manufacturer and the particular transmission, limp mode could be 3rd, 4th, or 5th gear, as well as Reverse.

Any of these symptoms necessitate a visit to the shop. However, instead of taking your vehicle to a mechanic, the technicians at YourMechanic come to you. They can diagnose whether your transmission range sensor is bad and replace it if necessary. If it turns out to be something else, they’ll let you know and diagnose the issue with your car so it can be repaired at your convenience.

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Recent Transmission Position Sensor (Switch) Replacement reviews

Excellent Rating


YourMechanic Transmission Position Sensor (Switch) Replacement Service

Average Rating

5/5

Number of Reviews

12

Rating Summary
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Mathew

21 years of experience
89 reviews
Mathew
21 years of experience
He showed up right on time and took his time going thru service and other facets of my vehicle that weren't even being serviced. He went Above and Beyond by helping me with the hood of the car-the latch had broke and he jimmied it where it could open and close after it was in a fender bender-it had Nothing to do with why he was there, but he made sure it was road worthy...We definitely found Our Mechanic in Mathew!
2004 MITSUBISHI DIAMANTE - TRANSMISSION POSITION SENSOR (SWITCH) - JACKSONVILLE, FLORIDA

Chris

19 years of experience
1126 reviews
Chris
19 years of experience
Chris exceeded my expectations. He was prompt and professional. He worked quickly and was very informative. When he realized the part used to replace my car part was faulty, he quickly found a resolution. He went above and beyond in my opinion. I was a bit weary of using this service for the first time but after my experience with Chris I will definitely be using this service again.
2008 ACURA TL - TRANSMISSION POSITION SENSOR (SWITCH) - HUNTINGTON BEACH, CALIFORNIA

Maxwell

15 years of experience
375 reviews
Maxwell
15 years of experience
Very professional, describes the issue and what is needed to fix. Explains how system operates, neat and tidy, convenient and good value. No need to go else where.
2007 ACURA MDX - TRANSMISSION POSITION SENSOR (SWITCH) - CONROE, TEXAS

Mathew

21 years of experience
89 reviews
Mathew
21 years of experience
Excellent Mechanic, very thorough and honest with me. Also informed me info about my car as far as how to do things myself.
2002 FORD ESCAPE - TRANSMISSION POSITION SENSOR (SWITCH) - JACKSONVILLE, FLORIDA

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