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Service bulletin 405

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 id10019499
Published by NHTSA2006-03-17
Manufacturer's number405
Manufacturer's date2008-04-10
Replaces405
NHTSA componentAIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE

NHTSA's summary

DIAGNOSTIC TROUBLE CODES IN AIRBAG CONTROL UNIT. *TT UPDATED 7/17/2008 *PE UPDATED 10/30/08. *PE

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

Air bags, Air bag control module

Vehicles listed
PORSCHE 911 CARRERA2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA S2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE BOXSTER2005
PORSCHE BOXSTER (987)2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE BOXSTER S2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYMAN2005
PORSCHE CAYMAN S2005

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

Other bulletins for the same vehicles and component
TI-4-05-62010-06-17. Service bulletin. PORSCHE: DIAGNOSTIC TROUBLE CODES IN AIRBAG CONTROL UNIT. AIRBAG WARNING LIGHT ACTIVATED IN MULTIFUNCTION DISPLAY. FAULT CODES 8023; 8024; 8027; 8028; 8030; 8034; 8049; 801A, 801B, 801C, 80E0; 80E1; 80E2; 8038 OR 808A IN THE FAULT MEMORY OF AIRBAG CONTROL UNIT. RETURN OF FUNCTIONAL AIRBAG CONTROL UNITS TO THE WARRANTY TEST CENTER. *PE
69532005-08-17. Service bulletin. AIRBAG WARNING LIGHT ACTIVATED IN MULTI-FUNCTION DISPLAY. *TT UPDATED 5/21/10. *PE