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

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

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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