WenmarOpen by Wenmar Pro

Service bulletin RN-912-1

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 id10052038
Published by NHTSA2013-05-07
Manufacturer's numberRN-912-1
Manufacturer's date2013-01-28
NHTSA componentFUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

PETERBILT: SOME TRUCKS ARE ELIGIBLE FOR REPLACEMENT OF HEATED DEF LINE DUE TO SEVERE COLD AND WET ENVIRONMENTS OPERATION, PERMITTING ICE ACCUMULATION AROUND ELECTRICAL CONNECTOR OF DEF LINE AND COMPROMISING ELECTRICAL CIRCUITS. MODELS 2010-2012 PETERBILT. *PE

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, Exhaust and emissions, Fuel system, Fuel hoses and lines

Vehicles listed
PETERBILT PETERBILT

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