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Service bulletin 502

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 id10000525
Published by NHTSA2003-03-03
Manufacturer's number502
Manufacturer's date2002-11-22
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

REPLACING DME CONTROL MODULE. *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, Ignition

Vehicles listed
PORSCHE BOXSTER2003

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
122-N7K2Y-062017-08-01. Service bulletin. Concerns: Ignition coil with Part Nos. 997.602.104.00 and 997.602.107.00 Information: Procedure for replacing faulty ignition coils. Cracks in the ignition coil housing (Figure 1) can cause corrosion, which can result in a rough-running engine and misfiring.
TI-58-122014-08-05. Service bulletin. PORSCHE: PROCEDURAL INFORMATION PROVIDED REGARDING THE REPLACING OF FAULTY CRACKED IGNITION COILS ON CERTAIN VEHICLES. MODEL 1997-2013 BOXSTER (986), BOXSTER/CAYMAN (987), CARRERA (996 & 997). *PE