Disconnect the electrical connector and put that out of the way.Use a wrench or socket to remove the bolts. … Remove the sensor. … Coat the new VSS’ O-ring or seal with transmission fluid and reinstall.

Is it easy to replace speed sensor?

You can take your car to the repair shop or dealership and spend between $100 and $250 or more to have one speed sensor replaced or you can replace the sensor yourself for a fraction of the cost. The DIY cost for replacing a speed sensor is the cost of the sensor.

How much does it cost to replace a vehicle speed sensor?

It also informs the car’s computer how much power needs to be applied to stop the car safely. To replace the speed sensor, you are going to pay, on average, between $330 and $380. The labor should only cost you between $80 and $100, while parts will run you about $265.

What happens when a vehicle speed sensor goes bad?

One of the most common signs of a bad speed sensor is abnormal automatic transmission operation. If the VSS is faulty, the transmission may exhibit symptoms such as delayed shifts, hard shifts, and limited gear operation.

How long does it take to fix a speed sensor?

Remove the old speed sensor. Replace it with a new one. The connector is in a plastic box hanging on the wheel well. 20 minutes.

Can a speed sensor be cleaned?

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.

Can you drive with a bad speed sensor?

Can you drive with a bad speed sensor? In general, it is unsafe to drive a vehicle with a broken wheel speed sensor. The car’s computer will not be able to determine the speed that your vehicle is traveling, so it might apply the brakes at a faster rate than necessary or increase the engine power.

Do you have to reset ECU after changing speed sensor?

You don’t need to reset anything but you can disconnect battery for say an hour if you want to do it.

What are the symptoms of a bad transmission sensor?

  • Cruise Control Fails. The main function of the speed sensors is to monitor the output and input shaft speed. …
  • Improper Or Harsh Shifting. …
  • The Check Engine Light Indicates.
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.

Article first time published on

What makes a speed sensor go bad?

What are the common causes of failure? Typically these sensors will fail as a result of clogging from metallic debris, brake dust or dirt due to exposure to the harsh elements.

Will a bad wheel speed sensor cause transmission problems?

Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears within the transmission. This may cause the transmission to shift rough or quicker than normal.

How long does a speed sensor last?

There’s no hard-and-fast rule to help you predict how long your wheel speed sensor is going to last. Unlike a brake light switch or brake caliper that can last as long as your vehicle, you can expect your transmission speed sensor to last between 30,000 and 50,000 miles.

Is wheel speed sensor and ABS sensor the same thing?

The ABS sensor is also called the wheel speed sensor or ABS brake sensor. Since all the wheels do not turn at the same speed, the ABS sensors report the speeds of all the four wheels to the ECM, based on which the ECM determines if the wheels are locking up.

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. But it depends on the vehicle models and transmission types. It might take a little longer if other parts with transmission also need repair.

How do you test a input shaft speed sensor?

Disconnect the sensor from the housing on the transmission, as indicated in the repair manual for your car. Disconnect the sensor’s wire coupling. Using the multimeter’s voltmeter connect the probes to the ground and reference wires in the connector. If no voltage is received, the sensor is faulty.