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Service bulletin 1801902A

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 id634112
Published by NHTSA2002-09-27
Manufacturer's number1801902A
Manufacturer's date2002-09-04
Replaces1801902
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

REVISION OF FLASH PROCESS FOR NEW ENGINE CONTROL MODULE (ECM) FROM CUMMINS. *SLC THIS BULLETIN SUPERSEDES BULLETIN 18-019-02 DATED JUNE 17, 2002. *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.

Vehicles listed
DODGE RAM1998, 1999, 2000, 2001, 2002, 2003

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