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.
Average mileage: 209,500 (152,000–283,000)
11 people reported this problem
Automatic Transmission May Not Shift Correctly at High Mileages
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.