A4 Quattro Wagon L4-2.0L Turbo (CAEB) (2009)
Daytime Running Lamp: All Technical Service Bulletins
Lighting - Different Color Shades In LED DRL's
94 Different color shades in LED daytime running lights
94 10 26
2023322/2
July 1, 2010
Supersedes Technical Service Bulletin Group 94 number 10-16 dated June 2, 2010 for reasons listed below.
Affected Vehicles
Condition
The customer may report that the daytime running light LEDs in the headlights have slightly different shades of color. There is no related memory entry.
Technical Background
The minor color differences of the LEDs are caused by the coating of the blue LED with yellow phosphor. This coating is necessary to get white LEDs.