P0773 fault code at higher mileage due to failed 3-way lock-up solenoid on Toyota RAV4

A code P0773 may occur at higher mileages which indicates that the 3-way lock-up solenoid could be defective and may need replacement.
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Average mileage: 148,700 (90,000–196,500)
Drive Trains affected: 2WD, 4WD
5 model years affected: 1996, 1997, 1998, 2000, more2001
9 people reported this problem
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problem details
1997 Toyota RAV4 - 2WD 90,000 mi,
Same code, check the wiring and found brittle and cracked wires on harness, repaired wiring. Issued fixed light went away
2001 Toyota RAV4 - 2WD 180,000 mi,
Solenoid possibly, stalls when stopping, doesn't want to shift up to go faster than 35-45 mph.. Problem started two years ago, and grew until car is undrivable
Car turns on, then stalls out. Will not stay on. Stalls out. Toyota dealership said it was ECM computer, the brain. Can't get codes, computer out. Who knows? ECM replaced August 2013, less than two years ago. Now I need another computer???