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Service bulletin 1803806

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 id10020936
Published by NHTSA2007-02-01
Manufacturer's number1803806
Manufacturer's date2006-12-05
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

DIAGNOSTIC TROUBLE CODE (DTC) P0471 - EXHAUST PRESSURE SENSOR RATIONALITY ON CUMMINS 6.7L TURBO DIESEL. ERASE AND REPROGRAM THE ENGINE CONTROL MODULE (ECM) WITH NEW SOFTWARE. CUMMINS. *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

Engine, Exhaust and emissions

Trouble codes named

P0471

Vehicles listed
UNKNOWN UNKNOWN

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