WenmarOpen by Wenmar Pro

Service bulletin ESB E131

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 id10076116
Published by NHTSA2016-07-07
Manufacturer's numberESB E131
Manufacturer's date2015-09-28
NHTSA componentELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

NHTSA's summary

REPAIR PROCEDURE - NO PRIME FAILURE THE DEF PUMP MODULE NEEDS VISUAL INSPECTION BEFORE RUNNING THE PRIME TEST.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Fuel system, Fuel pump

Vehicles listed
KENWORTH KENWORTH

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