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Navigation Radio - Multiple Malfunctions

9109-04





Affected Vehicles

Condition

91 09 04 Feb. 13, 2009 2016982 Supersedes T.B. Group 91 number 08-01 dated Jan. 7, 2008 and replaces T.B. (2015952) Group 91 number 07-12 dated Aug. 17, 2007 due to software programming update.

Radio, Navigation System, Update Programming for Loss of Presets (Sat),

Various Stability Concerns Various malfunctions on radio-navigation system MFD2 DVD:
- Loss of satellite radio presets
- Map is empty
- First part of navigation voice output is missing
- Radio display in MFI is not shown
- No sound after engine start (audio CD operation)
- No radio operation after engine start possible
- Frequent station list (satellite radio) refresh
- Various radio stability concerns

Technical Background
Radio software fault.

Production Solution
Updated radio software version 50.

Service

Tip:
- DO NOT remove navigation unit from vehicle.
- To perform this procedure in its entirety should take approximately 50 minutes.
- Procedure will erase presets.
- If navigation is left ON for more than 1 hour unattended it will turn OFF to conserve battery power. If this occurs, turn navigation back on by pressing power key and continue SW program from previous step (There is no risk of update being interrupted by this power down).
- The initial Accept screen has been eliminated beginning with software version 48.





Identifying Software level
- Connect Midtronics InCharge 940 (INC 940) tester/charger to vehicle's battery.
- Remove key from ignition.
- Press "power" knob on navigation unit.





- Eject any disc in navigation unit by using eject button.
- For software version up to 47, press "Accept" button.
- If software version is 48 or greater, continue.





- Press "Navigation" button.





- Press the "Settings" button.





- Press the "Syst. Settings" button.





- Press and hold "Factory set" button for 5 to 10 sec.





- Press "System info" button.

Tip: If this screen does not appear repeat previous step and continue holding.





- Press "down arrows" button.





Navigation software version will be listed under HW-HU.

Tip: The software version will be the last 2 digits on the right hand side. In the figure, software version is 49.

If software version is 50 or above, DO NOT continue with programming.

Tip: If software level is found to be at 50 or higher, this technical bulletin DOES NOT apply, further diagnosis is required.

If software version is 49 or below, continue with update programming.





- Record customer presets.
- Insert programming CD Part No. NAVFLTAYSW50.
- Press "Load" button.








Software will now update. You will observe two screens during the update.

NOTE: DO NOT CANCEL THE UPDATE UNTIL PROCEDURE IS COMPLETED.





When update is complete this screen will appear.

Tip: The new and current software dates match horizontally.

If all dates match horizontally as shown, software programming was successful.





- Press the "Cancel" soft key.
- Recheck the software as shown in steps 1 through 10.
- Insert Map CD and reprogram customer presets.

Tip: If the problem still occurs after the update programming is complete, contact technical assistance by selecting the "Technical Assistance" tab in ElsaWeb and follow the instructions to obtain a 6 digit access code.

Warranty





Required Parts and Tools
No Special Parts required.





Tip: Additional copies of the "Update-Programming" CD (Literature Number NAVFLTAYSW50) may be ordered from the Volkswagen Technical Literature Ordering Center.

Additional Information
All part and service references provided in this Technical Bulletin are subject to change and/or removal. Always check with your Parts Dept. and Repair Manuals for the latest information.