Nine-piece shift, lock-up and linear pressure control solenoid set for the Aisin A760E six-speed valve body in Toyota and Lexus trucks.
Searching for a fix for a Lexus IS250, GS350 or LX570, or a Tundra or Sequoia six-speed, that has started slamming into second, flaring between gears, shuddering at light throttle or throwing solenoid performance codes? This nine-piece kit replaces every solenoid on the valve body of the Aisin A760E family six-speed automatic at once. Each unit is professionally remanufactured and bench tested for coil resistance and spool travel, and the kit carries manufacturer part number YDM-GN00597.
The A760E and its relatives (A761E, A960E and the heavier AB60E/AB60F behind the 5.7L) shift entirely by computer. On/off solenoids S1 through S4 route line pressure to the shift valves that select each gear, while linear solenoids set line pressure, control each clutch apply and modulate converter lockup. A weak coil or a varnished spool means the computer asks for a gear or a pressure the valve body cannot produce. Because the six-speed has more clutch-to-clutch shifts than older Toyota units, the shift quality depends on those linear solenoids tracking the commanded current precisely.
On these six-speeds, a performance code points at a solenoid but is not proof the solenoid failed. The on/off solenoids share an unorificed line pressure feed with the SR solenoid, and a loose bore plug behind the SR solenoid can bleed that feed to exhaust and set S1-S4 codes with good solenoids. So check the valve body plug and retainer while it is out. Measure each circuit at the case connector first; our guide to testing solenoids without a factory scan tool shows how, and bench testing for resistance and flow covers checking the old parts once they are out. If shudder is the main complaint, rule out fluid and converter wear with our TCC shudder diagnosis walkthrough.
The listing cross-references A760, A760E, A761E, A960E, AB60E and AB60F, covering 2004-2017 Toyota and Lexus applications including the Tundra and Sequoia and the Lexus IS250, GS350 and LX570. The listing also names the Tacoma and 4Runner; most of those trucks in these years use the five-speed A750, so confirm your truck has a six-speed before ordering, or shop our Aisin transmission parts for the five-speed kits. Compare the solenoid connectors and positions on your valve body to the photo, or send your year and VIN and we will check it for you.
If the pan is full of clutch material, the solenoids failed because something else did. In that case look at the A760E clutch drum and the A760E planetary while the unit is apart.
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Doing this repair right usually means replacing these at the same time. Same transmission, ships together.
Those trucks normally use the five-speed A750, not the A760 six-speed this kit is built for. Confirm your transmission model on the case tag or send us your VIN before ordering.
The A760 family and the AB60 six-speed share the solenoid pattern, so one set is cataloged under both. Check the casting and connectors on your valve body to be sure.
Only if a solenoid is the cause. These codes also set from a leaking solenoid feed circuit, such as a loose bore plug behind the SR solenoid, so inspect the valve body while it is out.
A pan filter and gasket at minimum, plus the internal harness if its insulation is cracked. Flush the cooler lines so old debris does not contaminate the new solenoids.
Refill with Toyota WS ATF, set the level hot, then clear codes and reset the transmission adaptive values with a scan tool.
