Remove/install transmission control unit (TCM)

AR26.21-G-0005D

Remove/install transmission control unit (TCM)

20.12.2019

Transmission

714.190 in model 800

1

Electrical connection (transmission wiring harness)

2

Electrical connector (vehicle wiring harness)

3

Transmission control (TCM) control unit

4

Bolts

5

Transmission positioner

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A



Remove

1

Switch off ignition.

2

Disconnect electrical connectors (1, 2) from transmission control unit (TCM) (3).

 Release electrical connectors (1, 2) by swiveling securing clip.

3

Remove screws (4) and remove transmission control unit (TCM) (3) from transmission positioner (5).



Install

4

Position transmission control unit (TCM) (3) on transmission positioner (5) and screw in screws (4).

 Bolt, transmission control unit (TCM) to transmission positioner

*BA26.19-N-1005-01O

5

Connect electrical connectors (1, 2) to transmission control unit (TCM) (3).

6

Connect vehicle diagnosis system and switch on ignition.

Only if the transmission control unit (TCM) (3) has been replaced.

 See information from body manufacturer.

7

Perform commissioning in transmission control unit (TCM) (3).

Only if the transmission control unit (TCM) (3) has been replaced.

 Commissioning is fully menu-assisted under TCM - Transmission control   Adaptations  Commissioning

8

Switch off ignition and disconnect diagnostic system.

Only if commissioning was performed in the transmission control unit (TCM) (3).

 See information from body manufacturer.

 Sensors, transmitters

Number

Designation

Transmission 714.190 in model 800

BA26.19-N-1005-01O

Bolt, transmission control unit (TCM) to transmission positioner

M6

Nm

15