Transmission sensors

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First_sonata

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The codes p0713, p0711, and p0713 again. Transmission fluid temp sensor "A" circuit high input.
How serious is this? It has been shifting harder when it's cold. And it revs up a little. But after it warms up it shifts fine. Any clues?? Thanks!
 
First_sonata said:
The codes p0713, p0711, and p0713 again. Transmission fluid temp sensor "A" circuit high input.
How serious is this? It has been shifting harder when it's cold. And it revs up a little. But after it warms up it shifts fine. Any clues?? Thanks!
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What year is your Sonata?
The transmission uses transmission fluid to create pressure, if the fluid is too hot it will not function properly and can cause damage.
I would start with getting a good quote for a transmission service (change the fluid/ filter).
 
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