General information

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 Audi S4, 2008 Audi RS 4, 2008 Audi A4, 2007 Audi S4, and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

Disconnect battery ground wire before working on electrical system.
On vehicles with Telematics, activate Telephone/Telematics Control Module J526 service mode before disconnecting Battery A → Service mode, activating/deactivating .

If the Battery A is reconnected, follow the procedure for disconnecting and connecting the Battery A → - 27 BATTERY, STARTER, GENERATOR, CRUISE CONTROL . Deactivate Telephone/Telematics Control Module J526 service mode → Service mode, activating/deactivating .

Description

The Steering Column Electronic Systems Control Module J527 is a part of the "steering column switch module". The "steering column switch module" consists of:

Left and right steering column switch
airbag spiral spring
Steering Angle Sensor G85
Ignition/Starter Switch D

Steering Column Electronic Systems Control Module J527

The Steering Column Electronic Systems Control Module J527 exchanges data between vehicle control modules (e.g. Vehicle Electrical System Control Module J519 ) and steering column modules (e.g. steering column switch) and steering wheel modules (e.g. airbag).

In addition, multi-function steering wheel button signals are process and relayed via CAN BUS.

Diagnosis is performed using "Guided Fault-Finding".

Repair to CAN bus lines → - 97 WIRING .