Audi A4 Quattro Sedan # 941014 Date: 100524
Lighting - One Or More DRL LED's Inoperative
94 Daytime running light, one or several LEDs inoperable
557
94 10 14
2017583/5
May 24, 2010
Supersedes Technical Service Bulletin Group 94 number 09-25 dated August 18, 2009 for reasons listed below.
Affected Vehicles
Condition
^ On vehicles equipped with LED daytime running lights (Xenon headlights), a functional daytime running light assembly contains one or several
inoperable LEDs.
^ There are no DTCs stored in the control unit fault memory.
Technical Background
In the past, the daytime running light bulbs were a serviceable part. In this application, the LED strip cannot be replaced individually. This TSB is
for servicing information only.
Production Solution
Not applicable.
Service
1. Perform a visual check of the LED daytime running lights.
558
2. If one or several LEDs are not illuminated (Figure 1), the affected headlight assembly must be replaced. The LED light strip is not a serviceable
item.
Warranty
One headlight assembly affected.
559
Both headlight assemblies affected.
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.
Lighting - One Or More DRL LED's Inoperative
94 Daytime running light, one or several LEDs inoperable
557
94 10 14
2017583/5
May 24, 2010
Supersedes Technical Service Bulletin Group 94 number 09-25 dated August 18, 2009 for reasons listed below.
Affected Vehicles
Condition
^ On vehicles equipped with LED daytime running lights (Xenon headlights), a functional daytime running light assembly contains one or several
inoperable LEDs.
^ There are no DTCs stored in the control unit fault memory.
Technical Background
In the past, the daytime running light bulbs were a serviceable part. In this application, the LED strip cannot be replaced individually. This TSB is
for servicing information only.
Production Solution
Not applicable.
Service
1. Perform a visual check of the LED daytime running lights.
558
2. If one or several LEDs are not illuminated (Figure 1), the affected headlight assembly must be replaced. The LED light strip is not a serviceable
item.
Warranty
One headlight assembly affected.
559
Both headlight assemblies affected.
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.
