Toyota’s U660E mounted to a V6 engine and the U760/1E with the L4 is a front wheel drive transmission. It utilizes 7 solenoids to achieve 6 forward gears along with flex lock up control.

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A 2002 Tacoma come into the shop with an intermittent no reverse, second gear starts and no shift to fourth gear.  May or may not store code P0755. In this case the truck was scanned and a DTC P0755 for S2 solenoid performance was stored in memory. The code was recorded, then cleared and did not return even when the reverse and second gear start no fourth gear problem occurred during a road test. 

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Wayne Colonna, President of ATSG Automatic Transmission Service Group, explains a P0715/717 code input shaft speed sensor problem within a 2011 Toyota Camry 2.5 Liter Engine which carries a U760 Automatic Transmission.

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The vehicle exhibits shift feel and driveability complaints after the transmission has been overhauled or replaced. There have been several occasions where harsh shifts, shudder shifts and/or sliding shifts is due to a fluid to friction compatibility problem.  If the adapts have been reset, power and ground health has been verified, valve body and solenoids are known to be good, the transmission fluid should be considered if the fluid being used is not O.E. Click on the "read more" link below to get on the inside!


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