TRANSMISSION ?
Had our Kia Sedona tuned up & serviced prior to a trip from Portland to Yosemite to hike. Leaving home the check engine light came on and went on and off for the tntire trip. Upon our return we were...
Forum Discussion
If they are recommending a new transmission based on a code, its most likely something conclusive such as "excessive slip", i.e. (output shaft) is turning less than (input shaft * gear ratio) which tells the computer that the torque convert clutch isn't holding or working at all. A bad sensor can't really give this code, it would instead give a code such as "open shaft-speed sensor circuit". A code such as "excessive fluid temperature" may be less conclusive, however knowing the vehicles usage, I'd put my money on the temps actually being high, vs a bed sensor.
