A8L V8-4.2L (BFM) (2004)
Power Distribution Module: Customer Interest
Electrical - Steering Wheel Electronics DTC 0003
94 Steering wheel electronics (DTC 0003)
91 10 46
2018209/4
August 13, 2010
Supersedes Technical Service Bulletin Group 91 number 09-54 dated August 11, 2009 for reasons listed below.
Affected Vehicles
CONDITION
DTC 0003 (control unit defect) is stored in the steering wheel electronics control unit (Address word 16); however, this DTC does not affect the function
of the vehicle and the customer may not complain about a steering wheel control related issue.
TECHNICAL BACKGROUND
The entry in the steering control unit is incorrect.
PRODUCTION SOLUTION
Modified control units.
SERVICE
1. Switch on the ignition (terminal 15 active).
2. Delete the memory (address 16, steering wheel electronics).
3. Wait 10 - 15 seconds. (Terminal 15 stays active.)
4. Read the memory.
^ If the memory is empty, the steering wheel electronics can be left in the vehicle. The DTC was stored in error.
^ If the DTC returns, replace the steering wheel electronics.