WenmarOpen by Wenmar Pro

Service bulletin DOC-1033988

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 id10156346
Published by NHTSA2019-04-01
Manufacturer's numberDOC-1033988
Manufacturer's date2018-11-13
NHTSA componentEXTERIOR LIGHTING; ELECTRICAL SYSTEM

NHTSA's summary

Service Solution: 1033988, SPN 879 or 881 FMI 6 Fault Codes

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

Electrical system, Lighting

Vehicles listed
FREIGHTLINER BUSINESS CLASS M22016 to 2019

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