Nissan Change CVT Transmission Speed Sensor
This guide shows how to replace the primary Vehicle Speed Sensor on Nissan with the 3.5L V6 engine and CVT transmission. Note that your Nissan may have a secondary VSS causing the problem.
The transmission speed sensor on the Nissan CVT automatic transmission may fail, causing shifting problems. Moving the shifter from Park to Drive or Reverse gears can cause hard shifting, check engine light, or a bang.
Symptoms
Signs of bad transmission speed sensor are:
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- Engine bangs (harsh shifts) when placed in Drive / Reverse.
- The Check the Engine Light is On.
- Harsh shifting.
- The cruise control stopped working.
- Possibly Related Fault Codes
- P0720 Fault Code
- P0500 – Vehicle Speed Sensor
- P0703, P0705 Range Sensor.
- P0706, P0711, P0712, P0713, P0715.
- P0717 Input speed sensor,
- P0730 incorrect gear ratio.
- P0740 torque converter.
- P0743, P0779, P776, P0746.
What you need
- Nissan CVT Speed Sensor.
- Jack or Car Ramps
- Jack Stands
- 10mm socket, extension, and ratchet.
- 1/4″ socket and ratchet drive recommended.
- 4″ Extension
- A flexible ratchet extension can make getting to the 10mm bolt easier.
Procedure
Two methods exist to replace the speed sensor on the Nissan CVT transmission. This first requires removing the battery and the starter, which will take a lot of time.
The second is to access the speed sensor from the bottom of the engine. The sensor is on the side of the transmission housing facing the front. It is on the same side as the starter.
- Jack up the vehicle or drive it on ramps. Secure the car with jack stands.
- Remove the plastic splash shield from the bottom of the engine.
- Locate the transmission speed sensor. In this Nissan Quest, the sensor is on the driver’s side, between the radiator and transmission housing. The black part is the starter. You will need to get under the vehicle to access this sensor.
- Disconnect the electrical connector. Use a flat screwdriver to pry the plug away from the sensor.
- Remove the 10mm bolt. Use your 10mm socket and ratchet to loosen it, then remove the bolt by hand.
- Remove the old speed sensor from the transmission housing. A tiny amount of oil may be leaking from the sensor hole.
- Reinstall the new sensor, making sure the O-ring is in place. Apply a little bit of oil to the O-ring before installation. Reusing the old O-ring is not recommended.
- Tighten the 10mm bolt. Connect the electrical connector.
- Lower the vehicle and follow the proper procedure to check the automatic transmission fluid level.
If the check engine light is still on, plug an OBD2 scanner into the diagnostic port under the cluster (driver’s side) to read and clear any stored fault codes. The YOUCANIC Full System Scanner can read and clear fault codes on every control module of your Nissan vehicle.
Notes
- The sensor is right below the starter. If you are accessing the sensor from underneath the vehicle, using a 1/4″ ratchet and 4″ extension is better to get to the 10 mm bolt.
Input Speed Sensor Location
On Nissan vehicles equipped with the CVT transmission, the input speed sensor is located on the side of the transmission housing.
How to diagnose Nissan transmission speed sensor

With a YOUCANIC full system scanner, diagnosing faults in your Nissan can be easily performed without going to an expensive shop. This powerful scanner can read and clear fault codes from all systems in your Nissan. It can also display live data, perform bidirectional tests, and more.
- Locate the OBD2 port under the dashboard.
- Turn the ignition to position II. All dash lights will turn on.
- Allow the scanner to power on.
- Select the Automatic Transmission menu or A/T menu.
- Select read codes.
- Verify that fault codes are pointing to a faulty transmission speed sensor.
We hope you find the Nissan Change CVT Transmission Speed Sensor guide helpful. For more help on your Nissan, check these troubleshooting and repair guides.


Obd2 scanner not working in my nissan sunny 2002 model 1.3
Was this video taken underneath the car I cannot seem to find the sensor
very good very helpful thank you much
Always helpful. Thanks
very helpful thank you.
Excellent Inf….Clear Easy…Congra…