Lighting - RH DRL Inop./DTC 02746/007 Stored

94 Right daytime running light is inoperative in Coming Home mode (DTC 02746/007)

97 11 23

2022410/6

March 31, 2011.

Supersedes Technical Service Bulletin Group 97 number 11 - 20 dated February 9, 2011 for reasons listed below.





AFFECTED VEHICLES





CONDITION
^ Customer may report the following conditions:

^ In Coming Home mode, the right LED daytime running light is sporadically inoperative. The daytime running lights and fog lights operate correctly while driving.

Tip: Coming Home mode is a convenience function that allows the front lights (headlights or daytime running lights) and taillights to remain on for a defined time (up to 60 seconds) when exiting the car.

^ The front fog lights and the left daytime running light work correctly.

^ DTC 02746/007 [Right Daytime Running Light (DRL) Lamp, Short circuit to ground] is stored in Vehicle Electrical System Control Module J519.

TECHNICAL BACKGROUND

Because of different current cycles between the left and right headlamps in the first 100us after activating the coming home function, the right daytime running light is switched off.

PRODUCTION SOLUTION

Improved vehicle electrical system control module installed from CW27/2010.

SERVICE

Do not replace either headlamp for the concern described in this TSB, as this will not correct the concern. The J519 module cannot be updated and must be replaced.

1. Replace J519 with one of the following updated versions, depending on factory equipment. Please reference ETKA for the correct part number.

4F0 910 279 AG: Vehicles equipped with power adjustable steering column (PR Code 2C7)

4F0 910 279 AH: Vehicles equipped with manually adjustable steering column (PR Code 2C5)

Tip: When adapting the daytime running lamps on the replacement module, leave the default setting to Off. Changing this setting can result in static DTCs (01494 and 01498) in J519.





WARRANTY





REQUIRED PARTS AND TOOLS

ADDITIONAL INFORMATION
All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.