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Service bulletin 803

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 id10010789
Published by NHTSA2004-12-13
Manufacturer's number803
Manufacturer's date2004-10-20
Replaces9001
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

DIAGNOSING AND REPAIRING THE PCM2 SYSTEM. THIS BULLETIN REPLACES BULLETIN #803 DATED 5/23/03. *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

Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
PORSCHE 911 CARRERA2003 (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
7032004-12-13. Service bulletin. DIAGNOSING AND REPAIRING THE PCM2 SYSTEM. THIS BULLETIN REPLACES BULLETIN #703 DATED 5/23/03. *TT