WenmarOpen by Wenmar Pro

Service bulletin 1802805

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 id10015801
Published by NHTSA2005-08-12
Manufacturer's number1802805
Manufacturer's date2005-07-20
Replaces1802805A
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

NHTSA's summary

MALFUNCTION INDICATOR LAMP LIGHT WITH DIAGNOSTIC TROUBLE CODE P0430 OR P0420 - CATALYST EFFICIENCY. *TT UPDATE. *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, Exhaust and emissions, Catalytic converter

Trouble codes named

P0420, P0430

Vehicles listed
DODGE RAM 25002005 (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.