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Service bulletin SB-12-L-003-A

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 id10050120
Published by NHTSA2013-01-24
Manufacturer's numberSB-12-L-003-A
Manufacturer's date2012-12-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL

NHTSA's summary

ISUZU: EXTREME WEATHER CONDITIONS MAY CAUSE CHECK ENGINE LIGHT TO ILLUMINATE AND REDUCED POWER, DUE TO DIESEL EXHAUST FLUID (DEF) FREEZING. MODELS 2011-2012 NPR, NPRHD, NQR, NRR. *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, Fuel system

Vehicles listed
ISUZU N SERIES
ISUZU NPR
ISUZU NPR2012
ISUZU NPR HD
ISUZU NQR
ISUZU NQR2012

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