Question about 2005 Toyota Corolla
My 2005 Toyota Camry with AT downshifts very roughly when it's coming to a stop (under 10mph). Less noticeable when engine is cold. It always downshifts twice as I'm coasting to a stop, both shifts are very rough. had transmission fluids changed twice thinking that was the problem. Mechanic reset an on board computer telling the system to "re-learn" when to shift, no change. Diagnostic computer at dealer shows no problems to be found. Car has 44,000 easy miles on it. All shifting up from a stop to driving speeds are fine.
I hope they have it figured out. Theres a TSB for replacing the ECM for a harsh shift, TSB TC015-07... There is also a TSB that talks about a transmission solenoid problem. It doesnt say anything about a shifting problem, only that it causes a check engine light. It requires replacing the transmission, speed sensor, torque converter and the ECM. I hope it needs the trans solenoid, I wouldnt want a reman trans installed in my car if it wasnt necessary. Keep me updated.
Posted on Jan 25, 2009
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