Operation CHARM: Car repair manuals for everyone.

Transmission Control Module, Replacing






Transmission Control Module, Replacing

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.

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

- Remove the plenum chamber cover rubber seal in direction of -arrow

- Remove the plenum chamber cover -1-.





- Pry off cover caps -3- with screwdriver. - Loosen the nuts -4- a few turns. - Loosen the windshield wiper arms -2- by gently tilting them back and forth off the wiper axle. - Remove the nuts and remove the windshield wiper arms.





- Caution To prevent the cowl vent grille -5- from cracking during removal, coat the space between the windshield and the grille with soapy water and remove the grille from the edge of the windshield starting at the clamping strip. - Remove the clips -1- and remove cowl vent grille -5-.

- Remove the E-box cover in the plenum chamber -arrow-.





- Pry off the bracket with a screwdriver -arrows-. - Lay aside ECM with connectors connected. - Remove the transmission control module bracket. Note The control module connector may be connected or disconnect only after 30 seconds after the ignition is switched off.





- Unlock the connector -arrow- and disconnect it from the transmission control module.

NOTE: Adaptation values in Transmission Control Module (TCM) are reset when disconnecting the harness connector. Control module must learn this value again after bringing into operation again. Gear changing quality may be poorer than normal during this "learning" process.





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

1. Check the DTC memory. Refer to => [ Diagnostic Mode 03 - Read DTC Memory ] Diagnostic Mode 03 - Read DTC Memory.

2. If necessary, erase DTC memory of the Transmission Control Module (TCM) (J217). => [ Diagnostic Mode 04 - Erase DTC Memory ] Diagnostic Mode 04 - Erase DTC Memory.

3. Generate readiness code. => [ Readiness Code ] Readiness Code.