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Service bulletin 240603

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 id10004534
Published by NHTSA2003-12-18
Manufacturer's number240603
Manufacturer's date2003-10-01
Replaces240603
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

CHECK ENGINE LIGHT IS ILLUMINATED AND FAULT CODE 4F53 (TORQUE CONVERTER CLUTCH SOLENOID INCORRECTLY OPEN) IS STORED. UP TO 01/03 PRODUCTION. *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

Vehicles listed
BMW E65
BMW E66

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