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Service bulletin 1803502

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 id10000449
Published by NHTSA2003-02-27
Manufacturer's number1803502
Manufacturer's date2002-11-29
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

ENGINE THROTTLE CONTROL LIGHT ILLUMINATION AND / OR MALFUNCTION INDICATOR LIGHT ILLUMINATION WITH DIAGNOSTIC TROUBLE CODE P2181 - COOLING SYSTEM PERFORMANCE. *TT

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

Trouble codes named

P2181

Vehicles listed
DODGE RAM PICKUP2003 (the catalog's model; the bulletin names a series or trim of it)

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

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