Question about 2004 Toyota Sienna
Does the p2716 code cause my transmission to slip and my van 2to run rough?
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Posted on Jan 02, 2017
SOURCE: Transmission code error P2716
The computer wants to know if the transmission is working properly. So it reads the speed of the input shaft and compares it to the speed of the output shaft. It knows which gear you're in because it commanded the transmission to shift into that gear. The turbine speed refers to the torque converter. That's the device that transfers power from the engine to the transmission. Think of two fans facing each other. Turn on one fan and the blades on the other fan will spin. The fan that ISN'T turned on is the turbine. So, with the input shaft or turbine speed, the gear selection, and the output speed, the computer can calculate how efficiently the transmission is working. If the speed is off, it knows that something is slipping inside the transmission. It can then try to boost the fluid pressure to compensate. If that doesn't work, it sets a different trouble code, usually a P0716 code means that the computer has detected a value for the input sensor that's either out of range (way too high or too low), or there's a circuit issue (bad wiring, etc. Should probably get it to a repair shop ASAP before damage is done.
Posted on Sep 19, 2009
Hello. Welcome to FixYa.
No, the P-2716 DTC is not a recall.
It is a software issue that results in a 'false code' being generated.
What Toyota is doing is replacing your computer with an updated unit; the programming in the current computer needs to be changed, and the Corolla computer you have cannot be 'reflashed', it must be physically changed out.
If you car has less than 80,000 miles on it, the replacment will be free.
Get in touch with your local toyota dealership, and they will get you a new computer.
Posted on Feb 12, 2010
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