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Service bulletin 305

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 id10019521
Published by NHTSA2006-03-24
Manufacturer's number305
Manufacturer's date2006-01-26
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

HANDLING, REMOVING AND RETURNING THE BATTERY DISCONNECT SWITCH. *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

Electrical system, 12-volt battery

Vehicles listed
PORSCHE CAYMAN S2006 (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.

Other bulletins for the same vehicles and component
3062007-04-05. Service bulletin. BATTERY GROUND STRAP CONCERNS. BREAKDOWNS DUE TO LOOSET GROUND STRAP. *KB
11502006-03-24. Service bulletin. HANDLING, REMOVING AND RETURNING THE BATTERY DISCONNECT SWITCH. *TT