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P0778 Diagnostic Trouble Code Discussion for June 2025

Shift Pressure Solenoid Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0778
Help Request Posted
2020 Toyota Tundra 5.7L MIL Lamp on VIN: 5TFRY5F11L
P0778: shift solenoid open. connector b64 for sl2 shift solenoid on outside of trans has corrosion in wiring.i am having no luck trying to find replacement pigtail from toyota.im looking for advice on pigtail replacement companies
June 05, 2025