Lighting - Headlamps Stay On In Daylight

94 11 01

January 14, 2011

2025313





Vehicle Information

Condition

Headlights Remain On in Full Sunlight

Headlights may remain on in full sunlight when the headlight switch is in the "auto on" mode.

Technical Background

The Central Electrics Module is found to be incorrectly coded. This causes headlights to remain on when in full sunlight.

Production Solution

Production corrected as of VIN: 1K_8W069032.

Service

PROCEDURE:

Use the following procedure to check and / or change Central Electrics Control Module coding.

1. Enter Vehicle Self Diagnosis using VAS Tester.

2. Highlight "On Board Diagnostics (OBD)" and select forward arrow.

3. Highlight "09 - Electronic Central Electrics" and select forward arrow.

4. Highlight "007 Coding (Service 1A)" and select forward arrow.

5. Highlight "Central Electrics Part Number" and select forward arrow.

6. Highlight Byte 0.

7. If Byte 0 is "F6" then DO NOT change any values and exit this procedure.

8. If Byte 0 is not F6" then type in "F6" and click on "Q".

9. Confirm coding and exit.





Warranty





Required Parts and Tools

No Special parts 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.