Component Location Overview - Transmission Control Module

Fig 1: Connecting Diagnostic Cable VAS 5051/5A To Diagnostic Connector

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Component location: The diagnostic connection for the Vehicle Diagnostic Tester is located in the driver side footwell.

Mechatronic, Transmission Control Module -J217-, Multifunction Transmission Range Switch -F125-, Transmission Input Speed Sensor -G182- and Transmission Output Speed Sensor -G195-

Fig 2: Identifying Bolt Tightening Sequence

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Installed location: The mechatronic unit is bolted to the bottom of the transmission housing and is covered by the transmission fluid pan.

The Mechatronic unit incorporates the hydraulic control, the transmission control module, the multifunction transmission range switch and the sensors and actuators as a complete synchronized unit. The following are part of:

Transmission Control Module -J217-
Multifunction Transmission Range Switch -F125-
Transmission Input Speed Sensor -G182-
Transmission Output Speed Sensor -G195-

Only the complete "Mechatronic" unit can be replaced.

NOTE:

OBD checks all the components named.

Refer to MECHATRONIC, REMOVING AND INSTALLING .

Wiring Harness in Transmission

Fig 3: Locating Wiring Harness With Connector Is Attached To Mechatronics Unit

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Installed location: The connector -C- attached the wiring harness -A- on the Mechatronic -B-.

Refer to WIRING HARNESS IN TRANSMISSION, REMOVING AND INSTALLING .

Transmission Range Display -Y6-

Fig 4: Identifying Transmission Range Display -Y6-

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Component location: the Transmission Range Display -Y6- is integrated inside the instrument cluster.

NOTE:

Replace the instrument cluster if one of the transmission range displays is faulty, refer to the appropriate Service Information .

Fig 5: Identifying Selector Lever Sensor System Control Module J587 And Tiptronic Switch F189

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Installed location: The Selector Lever Sensor System Control Module -J587- and the Tiptronic Switch -F189- are a single unit -2-, which is clipped to the selector mechanism function unit -arrows-.

NOTE:

Ignore -A arrows-.

Refer to Selector Lever Sensor System Control Module -J587- WITH Tiptronic Switch -F189-, REMOVING AND INSTALLING .

Fig 6: Identifying Shift Lock Solenoid N110

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Installed location: The Shift Lock Solenoid -N110- -1- is clipped to the selector mechanism.

Refer to Shift Lock Solenoid -N110-, REMOVING AND INSTALLING .

Fig 7: Identifying Transmission Park Selector Switch F305

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Installed location: The Transmission Park Selector Switch -F305-, which consists of two reed contacts -1- and -2-, is installed on the circuit board -B- on the Shift Lock Solenoid -N110- -A-.

NOTE:

The Transmission Park Selector Switch -F305- can only be replaced together with the Shift Lock Solenoid -N110-.

Refer to Shift Lock Solenoid -N110-, REMOVING AND INSTALLING .

Fig 8: Component Location Throttle Position (TP) Sensor G79

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NOTE:

A specific value from the Accelerator Pedal Position Sensor -G79- and the Accelerator Pedal Position Sensor 2 -G185- is stored in the engine control module.

Installation location: accelerator pedal position sensors are integrated inside the accelerator pedal module -arrow-.

NOTE:

The accelerator pedal module must be replaced if the accelerator pedal position sensor is faulty, refer to ACCELERATOR PEDAL MECHANISM .

Fig 9: Releasing Retaining Spring And Removing Selector Lever Transmission Range (TR) Position Display Y26 Upward

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Component location: the Selector Lever Transmission Range Position Display Unit -Y26- -1- is clipped to the center console.

Refer to Selector Lever Transmission Range Position Display Unit -Y26-, REMOVING AND INSTALLING .