2021 F150 transmission tempature gauge intermittent.

[OnefiddyXL3.3]

New to me Job 1 XL 3.3 with 135k miles, I don't know if it's a new problem or old problem.
Transmission tempature gauge sometimes works and sometimes doesn't. I just changed the fluid and filter but I don't see how that would cause a problem. Transmission cooler lines do get hot so fluid is moving through the system. No driving issues.
Is there any chance that SSM 50132 still needs addressed?
I have the base gauges analog.

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[c0g]

Mine does the exact same thing, sometimes it works and sometimes it doesn't -- Subscribing for an answer!

 

[SilverPigeon]

If you have the 4" display, it sounds like you definitely need the IPC software updated. What is your version of SYNC listed in Settings>General>About SYNC? If it's too old, you won't get over-the-air (OTA) updates; either the dealer can use FDRS or you can buy/borrow the gear needed to do updates yourself.

 

[SilverPigeon]

How to update software yourself: https://www.f150gen14.com/forum/threads/ecu-module-programming-guide-using-fdrs.8249/

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