What is Transmission speed sensor
![Transmission speed sensor](https://www.blocverg.com/wp-content/uploads/2023/08/SmartSelect_20230827_162614_Chrome-768x609.jpg)
Transmission speed sensors play an important role in modern vehicles by accurately measuring the speed of a transmission’s input and output shafts. This information is vital for the powertrain control module (PCM) to determine the optimal gear ratio for driving…