Attachment Bulletin # 370502

Group: 37

Number: 05-02

Date: July 17, 2005

Subject:
Switching Xenon Headlights ON Causes Vehicle to Enter Into Emergency Running Mode

Model(s):
A6 W/ 3.0L (Eng. Code AVK) w/ Multitronic 2002 --> 2004
Trans. (Code 01J) & Xenon Headlights

Condition

Switching headlights ON while in "S" driving mode or "Tiptronic" may cause the vehicle to enter into emergency running mode.

^ After cycling ignition OFF and ON, all functions are correct again.

^ DTC: 18161 is stored in the transmission DTC memory.

Cause:

When Xenon headlights are switched ON, it causes a low voltage condition, which may cause a failure of the diagnostic signal for Tiptronic switch -F189-.

Service

Install new tiptronic switch -F189- Part No: 4B0 713 243E (see Repair Manual Automatic Transmission, Group 37 - Automatic Transmission - Controls, Housing Selector mechanism servicing, Tiptronic switch -F189-, removing and installing for complete replacement instructions).

Tip:

Part numbers listed in this bulletin are for reference only. Always check with your Parts Dept. for the latest parts information.





When procedure applies to vehicles within the New Vehicle Limited Warranty, use the table.