What is a shift position sensor?
What is a shift position sensor? The transmission position sensor, also known as the transmission range sensor, is an electronic sensor that provides a position input to the Powertrain Control Module (PCM) so that the transmission can be properly controlled by the PCM according to the position commanded by the sensor. What does it mean when your transmission sensor is not shifting? Not Shifting. Transmission sensors tell the vehicle when to shift and whether to shift up or down. If the vehicle is not receiving proper shifting information from the transmission sensor, then it may not shift. A vehicle that...