Headlamp Control Module - Daytime Headlamp Issue TSB
Headlamp Control Module: Customer Interest
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.