Telephone/Telematic Control Module -J526-, removing and installing: Notes

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2005 Audi allroad, 2004 Audi allroad, 2004 Audi A6, 2003 Audi allroad, and 2003 Audi S6. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

If the Telephone/Telematics Control Module is replaced, the OnStar® system needs to be reconfigured. See TELEPHONE/TELEMATIC CONTROL MODULE -J526-, REPLACING AND RECONFIGURING .
DO NOT exchange Telephone/Telematic Control Modules between vehicles!. Each module contains specific Station Identification (STID) and Electronic Serial Number (ESN) data unique to the VIN. This data is used by OnStar® and National Cellular Telephone Network to identify the vehicle and administer the customer's account.