Audi Q7: Transmission Control
Component Location Overview - Transmission Control
Data Link Connector
Component location: the data link connector for the Vehicle
Diagnostic Tester is located in the footwell on the driver side.

AWD Control Module -J492- in the A4
Component location: the AWD Control Module -J492--1-
is in the luggage compartment in the center in front of the
spare wheel well.

All Wheel Drive Control Module -J492-, Removing and Installing
- AWD Control Module -J492- component location. Refer to
→ Chapter "Component Location Overview - Transmission Control".
- Removing and installing is on the A4 Sedan.
- The ignition is off.
- Remove the luggage compartment floor covering.
- Remove the AWD Control Module -J492--1-
from the bracket.
- Disconnect the connector -A-
from the AWD Control Module -J492-.
- Install the AWD Control Module -J492- in reverse order of
removal.
- If the AWD Control Module -J492- was replaced then
additional work is necessary. Refer to
→ Chapter "AWD Control Module -J492-, Additional Work after
Replacing".

AWD Control Module -J492-, Additional Work after Replacing
- Only perform the additional work only if the AWD Control
Module -J492- was replaced.
- Connect the Vehicle Diagnostic Tester and turn on the
ignition.
- Select the function 22 - AWD Electronics
in the vehicle diagnostic tester under
Guided Functions in the directory 22-
Replacing Control Module.
- Follow all the instructions given by the Vehicle Diagnostic
Tester exactly.
With the vehicle diagnostic tester the installed rear final
drive is "adapted" on the AWD Control Module -J492-.
- A system check will take place when the
22 - Control Module, Replacing function is complete. If
malfunctions appear, then use "Guided Fault Finding" to correct
them.
READ NEXT:
Special tools and workshop equipment
required
Seal Installer - Flange Shaft -T10049-
Puller - Unit Injector -T10055-
Counterhold - Kit - Multiple Use -T10172-
Counterhold - Kit - Adapters
SEE MORE:
Overview - Fuel Filler Door Unit
1 - Drain Hose
For the fuel filler door unit
Removing and Installing. Refer to
→ Chapter "Fuel Filler Door Unit Drain Hose, Removing and Installing".
2 - Cable
For the fuel filler door locking mechanism
Removing and Installing. Re
Removing
NOTICE
Risk of damaging the operating cable by deforming
it.
- Never sharply bend or kink the operating cable.
Special tools and workshop equipment
required
Pry Lever -80-200-
Removing
- Move the door window into the "closed" position.
- Remove the door inner cov