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Service bulletin TIB-34-038

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 id10040041
Published by NHTSA2011-08-12
Manufacturer's numberTIB-34-038
Manufacturer's date2011-08-05
NHTSA componentELECTRICAL SYSTEM:WIRING; EXTERIOR LIGHTING:FOG LIGHTS

NHTSA's summary

PACCAR: THE SECONDARY FOG LAMPS WILL NOT RESPOND TO THE IN CAB SWITCH. *RM

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, Lighting, Wiring and fuses

Vehicles listed
KENWORTH T8002010 to 2011
KENWORTH W9002010 to 2011

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