Electrical/electronic components and installed locations

WARNING: This page is about a different car, the 2010 Audi A8, 2009 Audi A8, 2008 Audi A8, 2007 Audi A8, and 2004 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.

Data Link Connector (DLC)

Fig 1: Connecting Data Link Connector (DLC)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Location: Diagnostic connection is located beneath knee bolster on left of steering wheel.

The following listed components can be tested in "Guided fault finding" with vehicle diagnostic, testing and information system VAS 5051.

Mechatronics unit, Transmission Control Module (TCM) J217 , Multi-Function Transmission Range (TR) Switch F125 , Sensor for transmission RPM G182 and Transmission Output Speed (RPM) Sensor G195

Fig 2: Removing/Installing Securing Bolts For Mechatronics Unit In Sequence

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Location: The mechatronics unit is bolted to underside of the transmission housing and is covered by the transmission oil pan.

The mechatronics unit incorporates the hydraulic control, Transmission Control Module (TCM), Multi-Function Transmission Range (TR) Switch and sensors and actuators as a complete synchronized unit. Included are:

Transmission Control Module (TCM) J217
Multi-Function Transmission Range (TR) Switch F125
Transmission Input Speed (RPM) Sensor G182
Transmission Output Speed (RPM) Sensor G195

The "mechatronics" unit can only be replaced as a complete unit.

NOTE:

All components mentioned are tested by On Board Diagnostics (OBD).

Mechatronics unit, removing and installing → Mechatronic unit, removing and installing .

Internal transmission wiring harness

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

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Location: The wiring harness - A - with connector - C - is attached to the mechatronics unit - B -.

Removing and installing wiring harness → Wiring harness in transmission, removing and installing .

Transmission Range (TR) Display Y6

Fig 4: Transmission Range (TR) Selector Lever Display -Y6-

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Location: Integrated into instrument cluster

NOTE:

The Transmission Range (TR) Display Y6 can only be replaced together with instrument cluster.

Kick Down Switch F8

Fig 5: Kick Down Switch F8

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Location: Kick Down Switch F8 is located on vehicle floor.

NOTE:

Kick Down Switch F8 is tested by On Board Diagnostics (OBD).

Kick Down Switch F8 , removing and installing → 20 - FUEL SUPPLY .

Tiptronic Switch F189

Fig 6: Tiptronic Switch F189 & Retaining Tabs

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Location: Tiptronic Switch F189 is integrated into circuit board of symbol insert, which is located in shift mechanism cover.

NOTE:

The Tiptronic Switch F189 is checked with On Board Diagnostic (OBD).

Tiptronic switch F189 , removing and installing → Tiptronic switch F189 , removing and installing .