WenmarOpen by Wenmar Pro

Service bulletin FRN-12131

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 id10055070
Published by NHTSA2014-04-05
Manufacturer's numberFRN-12131
Manufacturer's date2014-02-10
NHTSA componentENGINE

NHTSA's summary

PETERBILT: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. MODELS 579 AND MODEL 567 TRUCKS OCTOBER 31, 2013- DECEMBER 12, 2013 MAY HAVE FAULTY DEF TANK HARNESS. THE CHECK ENGINE LIGHT OR THE MALFUNCTION INDICATOR LIGHT MAY ILLUMINATE. *JS

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

Engine

Vehicles listed
PACCAR PACCAR

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