Overview - Transmission Control Component Location

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2018 Audi S8, 2018 Audi A8 Quattro, 2017 Audi S8, 2017 Audi A8 Quattro, and 2016 Audi S8. However, it is still accessible from the selected car via links, so may be relevant.

Data Link Connector (DLC)

Fig 1: Locating Data Link Connector

Courtesy of AUDI OF AMERICA, LLC

Installed location: The DLC for the Vehicle Diagnostic Tester in inside the footwell on the driver side.

Mechatronic, Transmission Control Module -J217-, Sensor and Pressure Regulating Valves - Part 1

Fig 2: Mechatronic, Transmission Control Module -J217

Courtesy of AUDI OF AMERICA, LLC

Installed location: The Mechatronic unit is bolted to the bottom of the transmission housing and is covered by the ATF 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:

Automatic Transmission Pressure Regulating Valve 8 -N510-, depending on the date of manufacture, also Solenoid Valve 1 -N88-
Automatic Transmission Pressure Regulating Valve 7 -N443-
Automatic Transmission Pressure Regulating Valve 6 -N371-
Transmission Output Speed Sensor -G195-
Automatic Transmission Pressure Regulating Valve 3 -N217-
Automatic Transmission Pressure Regulating Valve 5 -N233-
Automatic Transmission Pressure Regulating Valve 2 -N216-
Automatic Transmission Pressure Regulating Valve 4 -N218-
Automatic Transmission Pressure Regulating Valve 1 -N215-

Mechatronic, Transmission Control Module -J217-, Sensor and Pressure Regulating Valves - Part 2

Fig 3: Mechatronic, Transmission Control Module -J217-, Sensor And Pressure Regulating Valves - Part 2

Courtesy of AUDI OF AMERICA, LLC

Parking Lock Solenoid -N486-
Transmission Input Speed Sensor -G182-
Transmission Control Module -J217-
Transmission Fluid Temperature Sensor -G93-
Parking Lock Sensor -G747-

NOTE:

On Board Diagnostics (OBD) checks all the components named.

Not illustrated: Accumulator Solenoid -N485- for vehicles equipped with the Start/Stop System.

Only the complete "Mechatronic" unit can be replaced.

Removing and Installing. Refer to MECHATRONIC, REMOVING AND INSTALLING .

Hydraulic Impulse Memory A with Accumulator SolenoidN485, Present Depending on the Date of Manufacture

Fig 4: Hydraulic Pulse Memory Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

Removing and Installing. Refer to ATF SYSTEM .

Transmission Fluid Cooling Valve -N509-

Fig 5: Transmission Fluid Cooling Valve -N509-

Courtesy of AUDI OF AMERICA, LLC

The Transmission Fluid Cooling Valve -N509- has different installed locations -1- depending on the date of manufacture. The installed location is in the wheel housing on the left.

Removing and installing. Refer to [For engine(s) CPNA] Coolant Valve, Removing and Installing or [For engine(s) CPNA] Coolant Valve, Removing and Installing .

Shift Mechanism Function Unit with Selector Lever -E313-

Fig 6: Selector Mechanism Function Unit With Selector Lever -E313-

Courtesy of AUDI OF AMERICA, LLC

Selector mechanism function unit with Selector Lever -E313-, Selector Lever Solenoid 1 -N496-, Selector Lever Solenoid 2 -N497-, Selector Lever Solenoid 3 -N498-, Selector Lever Solenoid 4 -N499-, Selector Lever Solenoid 5 -N500-
Selector Lever Release Button -E681- with Selector Lever Transmission Range Position Display Unit -Y26-
Selector Lever Sensor System Control Module -J587- with Selector Lever Position Sensor -G727-

Removing and Installing. Refer to OVERVIEW - SELECTOR MECHANISM .

Kick Down Switch

Fig 7: Accelerator Pedal Position Sensor

Courtesy of AUDI OF AMERICA, LLC

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.

Component location: Accelerator Pedal Position Sensor -G79- and Accelerator Pedal Position Sensor 2 -G185- integrated in the accelerator pedal module and cannot be replaced individually.

NOTE:

The accelerator pedal module must be replaced if the accelerator pedal position sensor is faulty. Refer to (Gas) [For engine(s) CPNA] Accelerator Pedal Position Sensors G79/G185, Removing and Installing [For engine(s) CTUB, CEJA, CGTA, CDRA, CEUA] Accelerator Pedal Position Sensors G79/G185, Removing and Installing or (Diesel) [For engine(s) CPNA] Accelerator Pedal Position Sensors G79/G185, Removing and Installing [For engine(s) CTUB, CEJA, CGTA, CDRA, CEUA] Accelerator Pedal Position Sensors G79/G185, Removing and Installing .