Toyota Avalon Problem Report

Toyota Avalon P0770/P0773 fault code at higher mileage due to failed 3-way lock-up solenoid

(10 reports)
A code P0770 or P0773 may occur at higher mileages which indicates that the 3-way lock-up solenoid is defective and will need replacement.
Automatic Transmission May Not Shift Correctly at High Mileages Verified At higher mileages, (125,000-150,000) theautomatic transmission may not shift correctly. This can be caused by the throttle position sensor being out of adjustment or ashift solenoid needing to be replaced. Typically the transmission does not need to be completely overhauled. -
JUST CHECK ENGINE LIGHT ON, SHIFTING OK CODE PO773 -
P0773 Not solve yet -