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Service bulletin E065

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 id10051834
Published by NHTSA2013-04-15
Manufacturer's numberE065
Manufacturer's date2013-02-04
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

MX RC5-RC14 SOFTWARE UPDATE CAMPAIGN. SOFTWARE UPDATES ARE SAID TO BENEFIT THE ENGINES IN RC5 AND RC14 KENWORTH ENGINES. PACCAR/KENWORTH. *KB

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, Engine, Software

Vehicles listed
KENWORTH T6602010 to 2013
KENWORTH T6802013
KENWORTH T7002010 to 2013
KENWORTH T8002010 to 2013
KENWORTH T8802013

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

Recalls for the same vehicles and component
13V0270002013-01-25. ELECTRICAL SYSTEM:SOFTWARE; SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
26-0372021-01-06. Service bulletin. Fix-As-Fail - Prior versions of Eaton Endurant transmission software may be prone to setting Linear Clutch Actuator (LCA) fault codes leading to possible LCA hardware replacement.
03-0712020-01-04. Service bulletin. Information Only - Vehicles built with NAMUX software from 2013 to present may experience accuracy issues with the tachometer. The issue can be temporarily resolved using any one of the included procedures.
TIB-34-0492013-08-15. Service bulletin. KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SOFTWARE NEEDS TO BE UPDATED (P30-1011-108), DUE TO RECALLED REMOVAL AND DISABLING OF 13KWB, TO FIX PRE TRIP LIGHT INSPECTION FUNCTION ISSUE AND REINSTALL SWITCH. MODELS 2013 T680, T880. *PE
TIB-34-0432012-09-29. Service bulletin. KENWORTH: CERTAIN TRUCKS HAVE ISSUES WITH DOOR MODULE WAKE UP, MIRROR JITTERINESS AND HEAD AND PARK LAMPS SWITCH POSITIONS TIED TOGETHER. MODEL 2012 T680. *PE