Transmission Control Module, Replacing

NOTE:

The Transmission Control Module (TCM) -J217- is a component of the mechatronic unit in the transmission and cannot be replaced separately.

To achieve optimal anti-theft protection for the vehicle, an anti-theft immobilizer was installed. The anti-theft immobilizer is a system for enabling/locking the Transmission Control Module (TCM) -J217-.

To perform adaptation of the anti-theft immobilizer. Refer to the Ebahn website.

Procedure

Check the identification of the previous Transmission Control Module (TCM) -J217- as follows:

-- Connect the scan tool.

-- Switch the ignition on.

-- Select "Diagnostic mode 9: Vehicle information."

-- Select the "Test-ID 04: Calibration identification".

-- The Transmission Control Module (TCM) -J217- identification will be displayed, e.g.: 09G27750 L 0301

-- End diagnosis and switch the ignition off.

Removal

-- Move the passenger seat to the rear upward position.

-- Release retaining tabs -A, B, and C- and remove the right passenger seat trim.

Fig 1: Releasing Retaining Tabs

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Move the passenger seat to the front upward position.

-- Disconnect the Differential Control Module -J646- electrical harness connector -2- and the Transmission Control Module (TCM) -J217- electrical harness connector -3-.

Fig 2: Disconnecting Differential Control Module J646 Electrical Harness Connector And Transmission Control Module (TCM) J217 Electrical Harness Connector

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the control module housing bolt -arrow- and control housing.

Fig 3: Identifying Housing With Control Modules Bolt

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-- Release the retaining tabs -1- and remove the Transmission Control Module (TCM) -J217- -2-.

Fig 4: Pulling Retaining Tabs Outward And Pulling Control Module Out From Housing

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Installation

-- Installation is performed in the reverse order of removal. note the following:

-- Check the identification of the new Transmission Control Module (TCM) -J217- to ensure it matches the old Transmission Control Module (TCM) -J217-.

-- Code the Transmission Control Module (TCM) -J217-

Final procedures

Check the DTC memory. DIAGNOSTIC MODE 03 - READ DTC MEMORY .
If necessary, erase DTC memory of the Transmission Control Module (TCM) -J217-. DIAGNOSTIC MODE 04 - ERASE DTC MEMORY .
Generate readiness code. READINESS CODE .