Can you replace a transmission pressure sensor?

If you own an automatic, chances are it has an automatic transmission oil pressure switch. This component regulates your transmission case's pressure as transmission oil or fluid passes through it for lubrication. This part helps your transmission shift smoothly and efficiently.

How Much Does an Automatic Transmission Oil Pressure Switch Replacement Cost?

The cost of a replacement automatic transmission oil pressure switch can range from $20 to $90, depending on the year, make, and model of the vehicle you're buying for. The labor cost of replacing this component can vary depending on different factors, including your location as well as your car’s year, make, and model.

Shop for Aftermarket Automatic Transmission Oil Pressure Switches on CarParts.com

Your automatic transmission oil pressure switch can become damaged over time. Fortunately, you can easily buy a replacement from the comforts of home right here at CarParts.com. You can easily shop on our website using our user-friendly features, so you don’t have to go through the trouble of going to a brick-and-mortar store. Our website has many refinements and options that can allow you to narrow down your selection based on your preference.

Our aftermarket automatic transmission oil pressure switches are all made by the most reliable manufacturers in the automotive industry and come with different warranty types and lengths. They are made of premium materials to ensure exact fit, excellent quality, and durability. Shop with confidence here at CarParts.com because you’re only choosing from OE-grade automotive parts and accessories.

If you’re ready to get an automatic transmission oil pressure switch, you can easily narrow down your search based on compatibility by entering your car’s year, make, and model into our vehicle selector. If you are feeling unsure about your order, our customer service team is ready 24/7 to answer all of your questions. Check out our automatic transmission oil pressure switches now and get the best deals today!

Inside your car’s automatic transmission flows a liquid called Automatic Transmission Fluid (ATF) (or transmission oil). Its job is to lubricate the various moving parts inside the transmission. This allows for smooth shifting of gears and prevents transmission parts from overheating and wearing quickly.

Learn more about what transmisison fluid does

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The automatic transmission oil pressure switch is a vital component which monitors the amount of pressure built up in the transmission case as the oil passes through. It then sends this information to your car’s onboard transmission computer (ECU) which makes adjustments to your transmission’s behavior which allow for smooth and optimal gear changes.

Many late-model cars will have several transmission pressure switches. The exact number, type and location of these switches may vary depending on your car’s make and model.

 

When should an automatic transmission oil pressure switch be replaced?

The transmission oil pressure switch works in a harsh environment and as a result, is subject to extreme conditions that can cause it to fail over time. The exact lifespan of a transmission oil pressure switch varies depending on several things. These include how your vehicle is driven, how often your transmission oil is changed and what condition the rest of your car’s transmission is in.

You can extend the lifespan of your car’s transmission oil pressure switches by:

  • Replacing transmission oil with every 50,000 km or driving.
  • Replacing the automatic transmission filter the same time as changing the auto transmission fluid
  • Driving smoothly and minimising load on the engine and transmission to avoid over heating the automatic transmission.

Transmission oil changes in Hamilton

 

Symptoms of a faulty automatic transmission oil pressure switch:

  • Difficulty shifting gears – A faulty auto transmission oil pressure switch may cause your vehicle to struggle with switching gears. This can be caused by the sensor detecting incorrect levels of pressure.
  • Vehicle enters limp mode – Your car may enter limp mode when it a transmission oil pressure switch is failing. Limp mode is a safety feature restricts RPMS and locks your car into a lower gear in order to prevent damage from occurring.
  • Check engine light – A faulty automatic transmission oil pressure switch may cause the check engine light or another similar warning to appear on your dashboard.
    Check engine light diagnostics in Hamilton
  • P0844, P0845 or P0847 fault codes – Upon scanning your vehicle for fault codes, you may encounter one of these codes. Attached is a diagnostic message which can help you learn more about what has caused the problem.

 

Transmission Oil Pressure Switch Replacement in Hamilton

Is your car in need of a new transmission oil pressure switch? If so, we can help!

At Grimmer Motors, our team of skilled mechanics can service and repair problems in your car’s transmission including bad pressure switches. A pressure switch replacement will allow for smoother gear changes. If limp mode has been enabled, we will also ensure it is turned off.

What causes transmission pressure switch to fail?

Over time, the transmission oil pressure switch can wear down because of the hard environment it works in. It is subjected to heat and friction on a daily basis, so the switch can become broken, fail, or not read the pressure accurately.

What does a pressure sensor on a transmission do?

The transmission pressure sensor measures the hydraulic oil pressure in different transmission applications and helps to determine the shifting pressure precisely and reliably.

Where is the transmission pressure sensor?

The pump pressure switch is located on the transmission housing next to the pump. The switch lets the computer know what the pressure is coming from the pump when the engine is running. The servo pressure switch is located on the housing near a band or servo in the transmission.

How do you check a transmission pressure switch?

In order to test the switch you can connect your multimeter between the pin and the senders body. You should find the switch is closed while the engine is at rest. When the engine is running, the switch should open. As you can see this switch has only one pin, so the switch works between ground and the pin.