The Risks of a Faulty Transmission Range Switch

By Mister Transmission

If you hear a clicking sound instead of the familiar roar of your engine when turning the ignition key, your car’s transmission range switch or sensor may have failed

Have you ever tried to start your car while it’s running or is in gear?

It may make a terrible sound, but it’s impossible to do thanks to a safeguard built into your vehicle called a transmission range switch or transmission range sensor (TRS).

Sometimes called a neutral safety switch, the TRS is an electrical switch that tells your vehicle’s powertrain control module what gear your transmission is in when you turn the ignition key to the “on” position. Its function is to prevent you from attempting to start your engine while it’s running unless the transmission is in the ‘neutral’ or ‘park’ position, or if your car has a manual transmission if you depress the clutch pedal.

Like any mechanical component, the TRS can become faulty through wear and tear over time, and that can lead to significant problems with your transmission.

Testing the TRS is an oft-overlooked troubleshooting step that many mechanics neglect when attempting to diagnose transmission problems. If your TRS is failing or has failed, when you turn the ignition key, you’ll likely hear a clicking sound instead of the familiar roar of your engine as it turns over.

Faulty Transmission Range Switch Warning Signs
If your car’s TRS is on the fritz, either you won’t be able to start your car or the “service engine soon” light on your dashboard will remain lit. Other warning signs of a faulty transmission range switch include your car starting in the wrong gear, the transmission struggling to change gears or gears slippage.

If you can start your engine, drive it to a Mister Transmission location near you and have it inspected by one of our experienced technicians, otherwise you run the risk of not being able to restart your vehicle later and may have to call a tow truck.

Do you have questions about your car’s transmission range switch? Talk to an expert Mister Transmission technician. Find your nearest location.

Want to know more?
Visite one of our locations!

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Customer Reviews
All my interactions have been...
Quarry Staats
All my interactions have been great. Always welliing to help and provide great customer service.
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BRAD FERNANDES
Ken is a great guy to deal with, very helpful and honest. Thank you
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Terry Proctor
Bring back the old lifetime warranty
Date: September 23, 2022
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Wes was very knowledgeable and...
Mike Webster
Wes was very knowledgeable and helpful and kept me informed throughout the repair. It was a pleasure to deal with such a professional automotive repair shop. I wholeheartedly recommend them for any transmission issues.
Date: September 22, 2022
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Virginia Tang
Our car broke down upon when we return home. End up car need to get tow to this store. Staff are very friendly and owner PJ is very helpful. He explained very clear about the problem and shown his expertise.They really relieved our stress.
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Had a great experience from the first phone call, very friendly staff. Highly recommended!
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I have a Toyota rav4 2013 Symptoms were , low speed shudder between 35-45 Km Dealer told me that it has problem with torque converter .So it has to be replaced . the cost would be $2000 . Suddenly I called Mr Giorgio .He at once ask me to come to his shop . He took test drive . Then he told me he will fix it without changing torque converter . He did it . He saved me $1650 and did an excellent job . I am fully satisfied with his services . He is a very professional and honest person . I would highly recommend that you visit Giorgio and his team for assistance with any issues you may have with your auto
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