Control Module -J499- Jetta Sedan, Remove/Install

Telematic Control Module -J499- - Jetta Sedan, Removing And Installing

NOTE:
- If the telematic control module is replaced, the OnStar(R) system needs to be reconfigured.







- 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(R) and National Cellular Telephone Network to identify the vehicle and administer the customer's account.
- Using the VAS 5051 Vehicle Diagnostic Testing and Information system in operating mode "Guided Fault Finding, and function "-J499- Telematic control module, replacing" it is possible to read the telematic control module coding from the existing module before removal. Note code prior to removal in order input code into replacement control module.

Removing
Before beginning repairs on the electrical system, disconnect battery.







- Loosen upper left luggage compartment trim and pull down -arrows-.







- Remove nuts -arrows-.
- Remove telematics control module.
- First disconnect 42-pin connection from control module, as follows:







- Depress clip -arrow1- and slide locking lever in direction of -arrow2-.
- Then disconnect antenna cable connections from control module.

Installing
Install in reverse order of removal, noting the following:

If telematics control module was replaced:
- Code telematics control module.
- Reconfigure telematics system for OnStar(R) functions.