Instruments - False Bulb Out Warnings

90 09 03

Nov. 20, 2009

2021956





Vehicle Information

Condition

Bulb Indicator Light ON in Instrument Cluster





Bulb indicator light illuminated with various rear lighting messages in the MFI.

Note:

Condition does not affect Rear External Lighting performance.

Light messages in MFI may vary. Picture is for illustration only.

Technical Background

^ The MFI display of the instrument cluster shows a series of messages concerning rear lighting.

^ Messages in the MFI will vary indicating brake lights, tail lights, turn signals, back up lights, etc.

^ Guided Fault Finding displays no faults stored in the Central Electrics Module.

Production Solution

Correction in production during central electrics control module programming.

^ Jetta Sedan VIN AJ_AM006443

^ Jetta SportWagen VIN AJ_AM601363

Service

Corrective action is to reset the central electrics control module by disconnecting the battery.

Refer to ElsaWeb for battery disconnecting instructions.

Tip:

Be sure all windows are in the closed (up) position to maintain the basic settings of the windows.

1. Disconnect negative battery cable for 30 seconds.

2. Reinstall negative battery cable and tighten to 6Nm.

3. Connect VAS tester and enter Vehicle Self Diagnosis.

4. Enter "Compiling Services" and select "Erase DTC Memory - Entire Vehicle".

5. If ESP and Steering light is illuminated perform "Basic Settings" using Guided Functions.

6. Check the operation of all lights and disconnect diagnostic equipment.








Warranty.

Required Parts and Tools

No Special Parts or Special Tools required.

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.