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

A code P0770 or 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: (–)
4 model years affected: 1995, 1996, 1997, 1998
4 people reported this problem
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