Telematics Control Module (J499), Coding

Telematics

Telematics Control Module (J499), Coding

Special tools, testers and auxiliary items required

• Vehicle Diagnostic, Testing and Information System ( VAS 5051B)

If the Telematics control module was replaced, it must be coded and configured for the OnStar system.

• Do not swap out any Telematics control modules between different vehicles! Each Telematics control module has a special identification and an electronic serial number that matches the VIN. Using this data, the vehicle is identified by the OnStar Call Center and assigned to the respective customer account.

• To diagnose, use the "Guided Fault Finding" function of the (VAS 5051B). Before removing the Telematics control module, while diagnosing with the (VAS 5051B) in the " replacing the J499 - Telematics control module" function, the option will be offered to read out the coding and then reprogram it in the new Telematics control module after it has been replaced.

Procedure:

- Connect (VAS 5051B).

- In (VAS 5051B), select operating mode " Guided Fault Finding".

- Using the Sprung button, select "Functions/Component selection" and the following menu options in the following sequence:

• Body

• Electrical Equipment

• 01 - On Board Diagnostic (OBD) capable systems

• Telematics NAR

• Telematics NAR functions

• Control module, coding