The Airbag Control Module Can Be Used For Up To Two Side, Driver And Front Passenger Airbag And/Or Belt TENSIONER Deployments With Airbag Generation 9.*, 10.* And 8.R.

The Airbag Control Module must be Replaced: 

• with driver and passenger airbag deployment "but not with airbag generation 9.*, 10.* and 8.R". Refer to NOTE: THE AIRBAG CONTROL MODULE CAN BE USED FOR UP TO TWO SIDE, DRIVER AND FRONT PASSENGER AIRBAG AND/OR BELT TENSIONER DEPLOYMENTS WITH AIRBAG GENERATION 9.*, 10.* AND 8.R.  above.
• after three side/ driver/ front passenger airbag or belt tensioner deployments
• if housing is damaged
• if there is deformation on the tunnel within a 200 mm radius around the control module

Always Replace The Following: 

• All deployed airbag units
• The Battery Interrupt Igniter -N253-

Also With Front Passenger Airbag Deployment: 

• Instrument Panel
• Deformed front passenger module supports (cannot be reformed)
• All front airbag sensors on the front end
• Remaining transverse acceleration sensors if the mounting points are deformed in the sensor area

Also With Driver Airbag Deployment: 

• Return spring with slip ring
• All front airbag sensors on the front end
• Remaining transverse acceleration sensors if the mounting points are deformed in the sensor area

Also With Thorax Airbag Deployment: 

• Pressure sensors on the deployed side
• Transverse acceleration sensors on the deployed side
• Cover
• Cushion
• With a folding rear seat backrest: side cushion (if equipped)
• Remaining transverse acceleration sensors if the mounting points are deformed in the sensor area

Also: 

• All automatic belt retractors with deployed belt tensioners.
• All automatic belt retractors with deployed seat belt force limiters (depending on vehicle equipment)
• Seat belt latches for all automatic belt retractors with deployed seat belt tensioners with the belt on
• Seat belt height adjuster (manual and power) for all automatic belt retractors with deployed seat belt tensioners with the belt on

-- Connect the Vehicle Diagnostic Tester if there is a chance the belt tensioner and/or seat belt force limiter deployed.

-- In >>Guided Fault Finding<< under "15 - Airbag", check whether there is a crash entry in the airbag control module.

-- Also check if the "Resistance too high" error is stored for the belt tensioner and/or belt force limiter. Deployed belt tensioners and/or belt force limiters must fulfill both conditions. "Requirement: the airbag control module was not replaced yet".

NOTE:

The "Resistance Too High" Error May Also Be Stored If There Is An Open Circuit. Then There Is Normally No Crash Entry.

Depending on the crash, the belt tensioner may have deployed while the belt force limiter did >>NOT<<. In that case, follow the disposal information for pyrotechnic components. Refer to AIRBAG, BELT TENSIONER AND BATTERY CUT-OUT UNITS, STORING, TRANSPORTING AND DISPOSING (PYROTECHNIC COMPONENTS) .

Also check the seat belts. Refer to SEAT BELTS, CHECKING .

Deployed Seat Belt Force Limiters Can Be Recognized By The Following Characteristics: 

Courtesy of AUDI OF AMERICA, LLC

The pin -1- and tab -3- are protruding out of the belt force limiter housing on the automatic belt retractor.

The tab -2- is no longer vertical but is diagonal toward the outside.

-- If parts of the seat belt system are removed due to an accident, replace the belt system bolts.

-- If needed (visual inspection), the following must also be replaced: all faulty components.

-- After replacing the airbag units or the control module, apply stickers (only tear-off strips) to the registration card and return the registration card to the appropriate distribution center or importer for registration.