TSB 21-2128 - 3.5L PowerBoost - U0288 In The SOBDMC

bigskydu

Well-known member
First Name
David
Joined
Nov 25, 2020
Messages
80
Reaction score
41
Location
Big Sky, MT
Vehicles
2021 F150 Platinum 6.5' Powerboost
TSB is attached. For 2021 F150 with 3.5L PowerBoost.

My personal truck built 01/28/21 has this issue, among several non-P other codes.
My truck had this issue. Dropped into limp mode and is being re-programmed now.
 

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