Posted on 2/18/2021
A transmission speed sensor calculates the transmission gear ratio when in use. A car has two speed sensors: the ISS and the OSS, working together to show the transmission data to the car's powertrain module. The ISS sensor monitors the input shaft's speed. If these sensors get misaligned, the operation of the transmission system will be affected. The following signs will show you if your transmission speed sensor has failed. 1. Cruise Control Fails The main function of the speed sensors is to monitor the output and input shaft speed. But that's not the only function of these sensors. They also check cruise control. Cruise control is a system that controls the vehicle's speed automatically. Its proper functioning depends on the data from the transmission speed sensors. If it fails to work, then it means the sensors have malfunctioned. The PCM will transmit an error code to ECU, which will shut down. If that happens, it would be better to contact your mechanic immedia ... read more