What are the symptoms of a bad speed sensor?
What are the symptoms of a bad speed sensor? 1. Harsh or improper shifting. 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. Can a bad speed sensor affect shift timing? Harsh or improper shifting. 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 roughly or more quickly than normal. It's...