Hella 011552-21AB 4M0907397AB LCM Light Control Module

Hella 011552-21AB 011552-21AD Audi 4M0907397AM LCM Light Control Module unit.

4M0 907 397 AD is factory fitted on Audi A5 S5 FY5 A4 S4 B9 8W Q7 4M cars with LED headlights.

By it's name LCM-Light-Control-Module you can decide it's purpose, it is ballast to control all front headlamp functions indicators, daytime running lights and so on.

Hella 011552-01AD part number is compatible with other the same look LCM part numbers as well.

Coding may be required after replacing old part.

The most common Audi Q7 4M A5 S5 FY5 warning messages

• Left side light/daytime running light defective. See owner's manual
• Right side light/daytime running light defective. See owner's manual
• Front left turn signal defective. See owner's manual
• Front right turn signal defective. See owner's manual

Hella part numbers:

• 011552-21AB
• 011552-21AD

VAG part numbers:

• 4M0 907 397AB
• 4M0907397AB

Porsche part number

• 9A790739700

More compatible part numbers

• 4M0907397AA 
• 011552-11AD
• 011552-11AB
• 011552-11AC
• 4M0907397AB 
• 011552-21AB
• 011552-21AD

Compatible Audi A5 S5 F5 Pre-Facelift D5S Xenon headlamps

• 8W6941044D
• 8W6941044E
• 8W6941044C
• 8W6941043E
• 8W6941043D
• 8W6941043C

Compatible Audi Q7 SQ7 4M Pre-Facelift Full LED headlamps

• 4M0941034A 
• 4M0941033B
• 4M0941774D

Compatible cars

• Audi A5 S5 RS5 F5 Pre-Facelift
• Audi A5 F5A Sportback Pre-Facelift
• Coupe Convertible Cabriolet
• 2016 2017 2018 2019
• 2.0 3.0 35 TDI diesel
• 2.0 TFSI Petro Gasoline
• Quattro S-Line
• Audi Q7 SQ7 4M Pre-Facelift
• 2016 2017 2018 2019
• 2.0 3.0 TFSI Petrol Gasoline
• 45 55 60 TFSI e PHEV Hybrid
• 3.0 TDI 45 50 TDI diesel
• 3.0 TDI e-tron 
• SQ7 TDI S-Line