Trans Shift Solenoid E?
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5th Wheeling
Joined: Jan 2022
Posts: 27
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Trans Shift Solenoid E?
I have a 2011 F150 Harley addition with an automatic trans, 6.2L 4wd. It started shifting weird and the check engine light came on. Took it to Auto Zone and they say it is a transmission shift solenoid "E" (P0770). Went to my local Ford dealer and they dont know what "E" is, they says theres five of them labeled 1-5. Does anyone know what the "E" means? It really bothers me that the Ford parts "specialists" at the dealer in my town claims they dont know. They are telling me I have to have the service department diagnose it which seem like a racket to me!
Lead Driver
Joined: Nov 2020
Posts: 7,128
Likes: 1,945
From: Sportsman's Paradise
I have a 2011 F150 Harley addition with an automatic trans, 6.2L 4wd. It started shifting weird and the check engine light came on. Took it to Auto Zone and they say it is a transmission shift solenoid "E" (P0770). Went to my local Ford dealer and they dont know what "E" is, they says theres five of them labeled 1-5. Does anyone know what the "E" means? It really bothers me that the Ford parts "specialists" at the dealer in my town claims they dont know. They are telling me I have to have the service department diagnose it which seem like a racket to me!
Here is the description as per the Ford service manual. In depth diagnostics are required to determine cause but yeah, the lead frame is likely the problem and it's on world wide back order.
Tuned
Joined: Dec 2012
Posts: 432
Likes: 112
I wonder if some of the lead frame issues are conduction problems because of very dirty trans fluid. The new lead frame comes with a filter pad on the contacts. Maybe it is worth a full fluid drain (leave overnight, drain coolers). This is about 10qts. Then maybe even remove the solenoids and clean things up.
Lead Driver
Joined: Nov 2020
Posts: 7,128
Likes: 1,945
From: Sportsman's Paradise
From what I've read about it (years ago), metal filings from the machining process didn't get flushed out good prior to it being built. Those filings get into places where you don't want, screwing with electrical signals to the control module. Only known repair is to replace the lead frame.
Not all units were affected.
Not all units were affected.
Tuned
Joined: Dec 2012
Posts: 432
Likes: 112
From what I've read about it (years ago), metal filings from the machining process didn't get flushed out good prior to it being built. Those filings get into places where you don't want, screwing with electrical signals to the control module. Only known repair is to replace the lead frame.
Not all units were affected.
Not all units were affected.
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