Coding Control Module

1999 Volkswagen GTI (1W1) V6-2.8L (AAA)SECTION Coding Control Module
Coding Airbag Control Module:
Coding is only possible with a new airbag control module.
- Connect VAG 1551 Scan Tool.
- Switch ignition on.
- Malfunction Indicator Lamp (MIL) -K75- lights Up Continuously.
- Press -1- button for "Rapid data transfer" operating mode.

V.A.G. Display:





- Press buttons -1- and -5- to insert "Airbag" address word 15

V.A.G. Display:





- Press -Q- button to confirm input..

V.A.G. Display:





This is an example. For actual Part No. check with a VW Parts Department
- Press -> button.

V.A.G. Display:





- Press buttons -0- and -7- to select "Code Control Module' function 07

V.A.G. Display:





- Press -Q- button to confirm input.

V.A.G. Display:





Table:





- Enter code number according to table:
- Press -Q- button to confirm input

V.A.G. Display:





Example shown of the display for the airbag control module identification number with the applicable index letter, code number and dealer code.

If shown, the coding has been completed successfully. If not:

V.A.G. Display:





The airbag control module was not correctly programmed with the applicable vehicle data. Coding is no longer possible. The Airbag Malfunction Indicator Lamp (MIL) will come on and stay on continuously.

Check whether the correct airbag control module was installed (compare Part No. and identification number), or whether an incorrect dealer number was entered.

End output:
- Press -> button.

V.A.G. Display:





- Press -0- and -6- buttons to end output.
- Press -Q- button to confirm input..

V.A.G. Display:





The Malfunction Indicator Lamp (MIL) -K75- must go out after not more than 4 seconds.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.