Work Procedure
Use VAG 1551 scan tool to check the air bag ECM part number application:
- If part number reads 6N0 909 601 D, no replacement is necessary
- If the part number reads 701 909 601 D, followed by code "MASKE3" (Illustration A), no replacement is necessary
- If the part number reads 701 909 601 D, followed by a code other than "MASKE3" or is blank (Illustration B), carefully replace the unit with a new ECM part number 701 909 603 D or 6N0 909 601 D after disconnecting battery ground strap
CAUTION:
^ Disconnect battery ground (GND) strap before removing air bag ECM
^ Do not break harness connector clip
^ Handle ECM very carefully
^ Protect radio code
- After installation of a new air bag ECM, set ECM to basic setting with VAG 1551 scan tool and follow with a complete functional test
- If the module coding reads "00000" instead of "00068" (see Illustration C ) coding must be updated
Air Bag ECM Coding Change Procedure
Important:
In order to code the air bag control module, your dealer number must be present in the 1551 scan tool.
V.A.G. 1551 Scan Tool Display:
Framed text appears on display;
* appears alternately
^ Input mode 4 then push Q button
Display appears as shown:
Dealership code HELP
1-Display 2-Delete 3- Enter
^ Push HELP button for instructions to enter your dealership number or enter 3 to input dealer code
- Continue updating air bag ECM coding as follows:
^ Press -> button.
Display appears as shown:
Rapid data transfer HELP
Select function XX
^ Press buttons 0 and 7 to select the "Code Control Module" function
Display appears as shown:
Rapid data transfer Q
07 - Code Control Module
^ Acknowledge input with Q button
Display appears as shown:
Code Control Module Q
Enter code number XXXXX
^ Enter code number -00068-
Note:
Air Bag Control Module code number 00068 applies only to Golf, Jetta and Cabrio vehicles.
^ Acknowledge input with Q button
^ Press -> button.
Display appears as shown:
Rapid data transfer HELP
Select function XX
^ Press buttons 0 and 6 to select the "End Output" function.
Display appears as shown:
Rapid data transfer Q
06 - end output
^ Acknowledge input with Q button
^ Reset to basic setting
^ Perform complete functional test. including accessories