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Transmission position sensor replacement
How to get your transmission position sensor replaced
Getting your transmission position sensor replaced has never been easier. AutoGuru makes it simple to get online quotes back from local mechanics for the repair that you need. All the hassle and hard work has been removed!
What is a Transmission position sensor?
The transmission position sensor, also known as the transmission range sensor, is an electronic sensor that provides the position of the shifter to the Powertrain Control Module (PCM)
It then uses that information to control the transmission given the position of the shifter.
What causes a transmission position sensor to malfunction?
Over time, the transmission position sensor may begin to fail or wear out. If the transmission position sensor fails or suffers a malfunction, there are a number of symptoms that could start to appear.
How to tell if your transmission position sensor needs repairing
There could be a few signs that your transmission position sensor is starting to fail including:
1. Car doesn't start
If your PCM doesn’t get a proper signal from the transmission position sensor it may be unable to tell if you are in park or neutral and therefore wont start.
2. Vehicle won't move/go into gear
If the transmission position sensor can’t tell when you have selected a gear your PCM won't know when to put it into gear.
3. Transmission goes into different gear than selected
There could be a mismatch between the gear selector position and the signal being sent to the PCM, this could cause the transmission to go into a different gear than what is selected by the driver.
Vehicle goes into limp mode
If your transmission position sensor fails, your car could go into limp mode. Limp mode is when your transmission stays in a single gear to prevent any further damage but allows you to get to safety.
Depending on the severity of the failure, your car may not go into limp mode and stop completely. You could be stuck without drive and be up for a costly tow, so it’s best to get it looked at as soon as possible.
How is the transmission position sensor repaired
There is not a lot of serviceable parts in the transmission position sensor so generally the sensor will need replacement. Usually, it is not a very labour intensive job to replace but the parts prices can vary depending on your make and model