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Service bulletin 01T29

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 id619864
Published by NHTSA2001-07-05
Manufacturer's number01T29
Manufacturer's date2001-05-01
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

SOME CUSTOMERS MAY COMMENT THAT THE MALFUNCTION INDICATOR LAMP (MIL) SERVICE ENGINE SOON TELLTALE IS ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE (DTC) P0401 PRESENT OR STORED IN POWERTRAIN CONTROL MODULE (PCM) MALFUNCTION HISTORY. *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.

Trouble codes named

P0401

Vehicles listed
SATURN S-SERIES1996 to 1999

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