Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN1999GTI (1W1) V6-2.8L (AAA)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONPROGRAMMING AND RELEARNING
1999 Volkswagen GTI (1W1) V6-2.8L (AAA)
Programming and Relearning
1999 Volkswagen GTI (1W1) V6-2.8L (AAA)SECTION Programming and Relearning
If the appropriate code for the vehicle is not displayed, or if the control module has been replaced, the control module must be coded as follows.
Special tools, testers and auxiliary items
- VAG 1551/1552 scan tool with VAG 1551/3 adapter cable.
Work sequence:
- Connect the VAG 1551/1552 scan tool and with ignition switched on select "Engine Electronics" address word 01. Connecting and Selecting "Engine Electronics" address word 01
Indicated on display
- Press buttons -1- and -1- to select "Login-Procedure" function 11 and press -Q- button to confirm input.
Indicated on display
- Press buttons -0- , -1-, -2-, -8- and -3- to input log-in code 01283 and press -Q- button to confirm input.
Indicated on display
- Press buttons -0- and -7- to select "Code Control Module" function 07 and press -Q- button to confirm input.
Indicated on display
- Enter the appropriate code number for this vehicle and press -Q- button to confirm input.
Coding: For following vehicles:
00000 Golf/GTI/Jetta/Passat VR6 with manual transmission
00001 Golf/GTI/Jetta/Passat VR6 with automatic transmission
The VAG 1551 scan tool display will show the control module identification, e.g.:
- Press -> button.
Indicated on display
- Press buttons -0- and -6- to select "End Output" function 06 and press -Q- button to confirm input.
NOTE:
The code entered and shown on the display will not be used by the Engine Control Module (ECM) until the ignition has been switched off once. An incorrect coding leads to:
- Engine running malfunctions
- Increased fuel consumption
- Increased emissions
- Malfunctions stored in Diagnostic Trouble Code (DTC) memory which are not actually present
- Reduced transmission life
Special tools, testers and auxiliary items
- VAG 1551/1552 scan tool with VAG 1551/3 adapter cable.
Work sequence:
- Connect the VAG 1551/1552 scan tool and with ignition switched on select "Engine Electronics" address word 01. Connecting and Selecting "Engine Electronics" address word 01
Indicated on display
- Press buttons -1- and -1- to select "Login-Procedure" function 11 and press -Q- button to confirm input.
Indicated on display
- Press buttons -0- , -1-, -2-, -8- and -3- to input log-in code 01283 and press -Q- button to confirm input.
Indicated on display
- Press buttons -0- and -7- to select "Code Control Module" function 07 and press -Q- button to confirm input.
Indicated on display
- Enter the appropriate code number for this vehicle and press -Q- button to confirm input.
Coding: For following vehicles:
00000 Golf/GTI/Jetta/Passat VR6 with manual transmission
00001 Golf/GTI/Jetta/Passat VR6 with automatic transmission
The VAG 1551 scan tool display will show the control module identification, e.g.:
- Press -> button.
Indicated on display
- Press buttons -0- and -6- to select "End Output" function 06 and press -Q- button to confirm input.
NOTE:
The code entered and shown on the display will not be used by the Engine Control Module (ECM) until the ignition has been switched off once. An incorrect coding leads to:
- Engine running malfunctions
- Increased fuel consumption
- Increased emissions
- Malfunctions stored in Diagnostic Trouble Code (DTC) memory which are not actually present
- Reduced transmission life
RENDER: 1.0x
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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.