F150 Powerboost possibly not functioning

[StewieDad]

Well, it may be coincidental, but I just got my 2021 Powerboost back from the dealership (after 27 days) after a series of warning lights and error messages made it basically unusable. They determined it was a bad wiring harness from the battery to the motor and they had to wait on a replacement (apparently, this is a common problem). I've had it back for over a month and so far, no more warning lights or error messages. However, I DID notice that the mileage is better (usually 25-27 MPG on the highway and 20+ around town) as the battery charges faster and the motor drives the truck more often, at higher speeds, and for a longer time. Before, I had a similar issue where the truck was almost exclusively driven by the engine.

Sponsored

 

[spiritrider1]

Well, it may be coincidental, but I just got my 2021 Powerboost back from the dealership (after 27 days) after a series of warning lights and error messages made it basically unusable. They determined it was a bad wiring harness from the battery to the motor and they had to wait on a replacement (apparently, this is a common problem). I've had it back for over a month and so far, no more warning lights or error messages. However, I DID notice that the mileage is better (usually 25-27 MPG on the highway and 20+ around town) as the battery charges faster and the motor drives the truck more often, at higher speeds, and for a longer time. Before, I had a similar issue where the truck was almost exclusively driven by the engine.

Just wondering what configuration your truck is? 2 or 4WD? XL(STX), XLT, Lariat, etc... The mileage looks great but seems to be what you'd get on a 2WD XL.