QA

Question: How To Replace Transmission Speed Sensor

VSS Replacement 1) Loosen and remove negative battery cable. 2) Locate the faulty speed sensor and disconnect the speed sensor connector. 4) Check the connector wiring to insure there are no breaks or exposed wire. 5) Verify O-ring is installed on new sensor. 6) Install and tighten new sensor.

Where is the speed sensor located on the transmission?

Locate the transmission speed sensors, they’ll be near the front and rear of the transmission housing.

What happens when your transmission speed sensor goes out?

When there’s no speed signal coming from the sensors, shifting of gears will be a problem because the powertrain control module won’t control them correctly. This will make the transmission not work properly. It will either shift more quickly or roughly than expected.

How much does it cost to replace a transmission sensor?

The average cost for transmission position sensor replacement is between $249 and $298. Labor costs are estimated between $137 and $173 while parts are priced between $112 and $126. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.

How long does it take to replace a transmission sensor?

Three to four days. It usually takes three to four days to replace or repair the entire transmission system.

Can I drive without a speed sensor?

While it’s technically possible to operate your vehicle without a properly functioning vehicle speed sensor, it is strongly discouraged. A faulty VSS can negatively impact multiple aspects of vehicle operation—which is why it’s best to replace a bad speed sensor as soon as possible.

How can you tell if the transmission sensor is bad?

Top Signs of a Failing Transmission Position Sensor Car fails to move out of park. When your vehicle is unable to shift out of neutral or park, this is a clear indication that there is a serious problem somewhere in the transition system. Transmission shifts into the wrong gear. Vehicle becomes locked in a single gear.

What causes the speed sensor to go bad?

Over time, the transmission speed sensor can go bad due to wiring issues or just outright failing due to it constantly being used every time you are driving your vehicle. If the sensor is magnetic, it can go bad from iron sticking to the tip of the sensor, which will cause an inaccurate reading.

Is a speed sensor easy to replace?

For most vehicles, the speed sensor is plugged into the transmission (or transaxle). When the speed sensor fails the speedometer stops working and shifts may become erratic. Replacing a speed sensor is easy. Nothing is more frustrating than getting into your car and the gear shifter lever being locked in Park.

Can speed sensors be repaired?

Transmission speed sensors cannot be repaired, only replaced. While transmission speed sensor failure is not uncommon, many other problems can present similar systems such as ABS sensor failures. A full professional inspection will be needed to determine the actual cause of the problem.

Can you clean transmission speed sensor?

The sensors are magnetic, and this makes them attract dust and debris. The various components of the speed sensors can gather dirt from the road and from the dust that is generated by constant sharp braking. Speed sensors need to be cleaned on a regular basis to avoid damaging the anti-lock braking system.

How much does it cost to replace an ABS speed sensor?

The average ABS wheel speed sensor replacement cost is between $200 and $400 per sensor, depending on the car model and labor costs. You can expect to pay about $100 to $150 for the wheel speed sensor and another $100 to $300 for the labor.

What happens if you don’t replace speed sensor?

When the Sensor is Broken If the wheel speed sensor isn’t working, it won’t send any information to the ECU when there’s a problem. The ABS system won’t know to begin working and you can lose control of your vehicle and cause a crash.

How do you test a transmission speed sensor?

Place the sensor on a bench and check the pulsing AC voltage with the voltmeter as you slowly turn the gear by hand. If there is no voltage, the sensor may be defective. Install the new sensor into the transmission and replace the retaining bolt.

Can a wheel speed sensor cause shifting problems?

Can A Bad Wheel Speed Sensor Cause Transmission Not Shift? The PCM will not be able to properly control the shifting of gears within the transmission if it does not receive a valid speed signal from these sensors. The transmission may shift more quickly or rough due to this.

Which speed sensor controls the speedometer?

The output speed sensor measures how fast a vehicle moves and sends that information to other vehicle systems. The transmission control unit uses the speed to determine when to change gears, adjust the torque converter and display the vehicle’s speed in the speedometer.

Why is my speedometer and RPM not working?

If your speedometer stopped working and stays at 0 MPH, you should have your car checked ASAP. The most common causes of a speedometer that stopped working include are a faulty speed sensor, a broken gear on the speedometer, damaged wiring, or a faulty engine control unit.

Is there a fuse that controls the speedometer?

So, in most cases, odometers don’t have their own fuse in the fuse box. As such, because odometers and speedometers use the same fuse, the most likely outcome is that your speedometer will also stop working if the odometer stops working due to a blown fuse.