Audi Q5 Technical Service Bulletin # 941029 Date: 100802
Lighting - One Or More DRL LEDs Are Inoperative
94 One or more Daytime Running Light LEDs in one headlight assembly are inoperative
94 10 29
2020780/6
August 2, 2010
Supersedes Technical Service Bulletin Group 94 number 10-18 dated June 4, 2010 for reasons listed below.
Affected Vehicles
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 642
Condition
One or more Daytime Running Light (DRL) LEDs in one headlight assembly are inoperative.
Technical Background
Two possible causes:
^ LED circuit board.
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 643
^ DRL control unit, located inside the headlight assembly.
Production Solution
Improved soldering of the LED circuit board after VIN 8R_9A019111 (MY 2009).
Redesign of DRL control unit electronics between VIN FP_AA037500 and FP_AA054981 (MY 2010).
New supplier for headlight assemblies and DRL control unit after VIN FP_AA054982 (MY 2010).
Service
^ If 1 to 11 individual LEDs do not operate, replace the headlight.
^ If all 12 LEDs do not operate, perform the following:
In order to verify the root cause, swap the DRL control unit from the headlight with the inoperative LEDs with the DRL control unit of the
operative headlight.
^ If the problem follows, replace the DRL control unit(s).
^ If the problem does not follow, replace the headlight with the inoperative LEDs according to the table above.
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 644
Warranty
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 LEDs Are Inoperative
94 One or more Daytime Running Light LEDs in one headlight assembly are inoperative
94 10 29
2020780/6
August 2, 2010
Supersedes Technical Service Bulletin Group 94 number 10-18 dated June 4, 2010 for reasons listed below.
Affected Vehicles
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 642
Condition
One or more Daytime Running Light (DRL) LEDs in one headlight assembly are inoperative.
Technical Background
Two possible causes:
^ LED circuit board.
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 643
^ DRL control unit, located inside the headlight assembly.
Production Solution
Improved soldering of the LED circuit board after VIN 8R_9A019111 (MY 2009).
Redesign of DRL control unit electronics between VIN FP_AA037500 and FP_AA054981 (MY 2010).
New supplier for headlight assemblies and DRL control unit after VIN FP_AA054982 (MY 2010).
Service
^ If 1 to 11 individual LEDs do not operate, replace the headlight.
^ If all 12 LEDs do not operate, perform the following:
In order to verify the root cause, swap the DRL control unit from the headlight with the inoperative LEDs with the DRL control unit of the
operative headlight.
^ If the problem follows, replace the DRL control unit(s).
^ If the problem does not follow, replace the headlight with the inoperative LEDs according to the table above.
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 644
Warranty
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.
