Telematics Control Module -J499-

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NOTE:

If the telematics control module was replaced, the OnStar system must be reconfigured. Refer to TELEMATICS CONTROL MODULE -J499-, CONFIGURING .

Do not swap out any telematics control module 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.

Fig 1: Identifying Telematic Control Module

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

To diagnose, use the "Guided Fault Finding" function of the Vehicle Diagnosis, Testing & Information System VAS5051B. Before removing the telematics control module, while diagnosing with the Vehicle Diagnosis, Testing & Information System 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.

The telematics control module is installed behind the left side trim.

Removal

-- Disconnect the battery. Refer to the Removal and Installation .

-- Remove the right side trim panel. Refer to Removal and Installation .

-- Remove speaker mount -1-.

Fig 2: Identifying Speaker Retaining Bracket

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Disconnect harness connector -2- at the speaker.

-- Remove protective housing -1- under the speaker.

Fig 3: Identifying Protective Shield Under Speaker

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove cover -2- at the protective housing.

-- First disconnect 42-pin harness connector -2- at the telematics control module.

Fig 4: Disconnecting 42-Pin Connection

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Disconnect antenna connectors -1- and -3- on the telematics control module.

Installation

Install in reverse order of removal, noting the following:

The telematics control module was replaced:

-- Code the telematics control module. Refer to TELEMATICS CONTROL MODULE -J499-, CODING .

-- Configure the telematics for the OnStar functions. Refer to TELEMATICS CONTROL MODULE -J499-, CONFIGURING .