Automatic Transmission vehicles can only start when they are in Park or Neutral gear. If the vehicle starts in the reverse or drives gear as well, it might cause accidents. And that’s why your automatic car has a transmission position sensor or range sensor. To avoid any mishaps, you should opt for immediate transmission position sensor replacement in case the sensor stops working.

What is a Transmission Position Sensor?

The transmission position sensor is a safety switch designed to cut down the power to the starter control circuit when the car is not in park or neutral. This sensor detects the gear the transmission is engaged in. And it prevents the power to reach the starter circuit if the transmission is engaged in any gear other than park or neutral. This is done to prevent any unintentional vehicle movement. A failed or broken transmission position sensor puts your car in danger of unintentional movements while being parked. If you feel that the transmission range sensor isn’t working properly, consult a professional mechanic to make the diagnosis.

Why do you need Transmission Position Sensor Replacement?

If your car can start in any gear other than neutral or park, this can be potentially dangerous to you, your car as well as the pedestrians. To ensure your car doesn’t accidentally start, you need to get the problem diagnosed immediately and get a transmission position sensor replacement, if required.

When do you need to Replace the Transmission Position Sensor?

Some of the common symptoms that indicate the need for transmission position sensor replacement is:

  • The engine refuses to start
  • The engine starts in the neutral gear but not in Park
  • The engine starts even when engaged in reverse gear or drive

Also Read: Steering Rack/Gearbox Replacement Service

How is it Replaced?

If you face any of the above issues, consult an expert mechanic on Swezo and get the problem immediately diagnosed. Our expert mechanic will inspect the car and verify if the transmission position sensor needs replacement. If they found the sensor to be faulty, the following steps would be taken to replace it.

  • The mechanic will lift and support the car on jack stands
  • They will remove the defective transmission sensor switch
  • And a new sensor will be installed
  • They will remove the car from the jack stands
  • Road test the vehicle for proper operations

What do we Recommend?

The transmission position sensor of your car doesn’t need to be regularly maintained like the other car parts. However, if you face any issues with starting the car engine, it’s better to get it immediately inspected. On Swezo, you will be able to find hundreds of qualified and certified mechanics in your area who can perform transmission position sensor replacement or any other repair and replacement work. Contact today!

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