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Service bulletin 511903FRB

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11019674
Published by NHTSA2025-06-20
Manufacturer's number511903FRB
Manufacturer's date2025-06-20
Campaign id or software version511903FRB
NHTSA componentFUEL/PROPULSION SYSTEM

NHTSA's summary

According to Ford Recall 24S78/24V957: "On your vehicle, it may be possible for aged biodiesel deposits to form on internal high pressure fuel pump components. This may lead to failure of the pump and may result in loss of motive power while driving. A loss of motive power increases the risk of a crash.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system

Vehicles listed
FOREST RIVER BUS BERKSHIRE COACH ULTRA2020
FOREST RIVER BUS CHAMPION BUS2020 to 2022
FOREST RIVER BUS ELDORADO2020 to 2022
FOREST RIVER BUS GLAVAL ENTOURAGE2020 to 2021
FOREST RIVER BUS SENATOR II2020 to 2021
FOREST RIVER BUS STARCRAFT ALL STAR XL2020 to 2024
FOREST RIVER BUS STARCRAFT XLT2021 to 2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.