The VAG COM, also known as VCDS (VAG-COM Diagnostic System), is a powerful diagnostic and modification tool for Volkswagen (VW) vehicles. This software allows you to access and modify various hidden features and settings in your car’s control modules, enabling customizations beyond the factory defaults. This article compiles a list of popular tweaks and adjustments possible with a Vag Com Vw interface.
Popular VAG COM VW Modifications
Panic Alarm Delay for Non-KESSY Vehicles
If you accidentally trigger your car alarm when inserting the key, you can add a delay to the panic button. Navigate to:
- 09 – Central Electronics
- Security Access – 31347
- Adaptations – (2) Anti-theft device – Verzoegerung Panikalarm
- Change “Keine verzoegerung” to “2 sekunden verzoegerung”.
This requires a 4-second hold on the panic button to activate the alarm.
Xenon Headlight Adjustments for Non-North American Regions
Unlock tourist mode capability and remove the four-light restriction:
- 55 – Xenon Range
- Coding
- Uncheck “North American Region Rules”. This may also slightly adjust headlight behavior at higher speeds.
Fuel Tank Calibration
Fine-tune your fuel gauge reading:
- 17 – Instruments
- Security Code – 20103
- Adaptations – (1) Offset for tank calibration values – Offset sensor 1
- Adjust the value within the range of -12.8l to +8l. Positive values move the needle up.
Start/Stop Voltage Limit
Potentially adjust the sensitivity of your car’s start/stop system:
- 19 – CAN Gateway
- Adaptation – (10) Start_stop_voltage_limit
- The default value is often 7.6v. Experiment with higher values (up to 12v) but proceed with caution.
Black Ice Warning Temperature
Adjust the temperature threshold for the black ice warning:
- 17 – Instruments
- Security Code – 20103
- Adaptations – (9) outside_temperature-p_ice_warning_exit_temperature
- (10) outside_temperature-p_ice_warning_entry_temperature
- The lowest adjustable temperature is -9.
Disabling Taillight LEDs
Disable the small red LEDs on the side of your taillights:
- 09 – Central Electronics
- Security Code – 31347
- Adaptations – (1) Leuchte27NSL RC6-Lasttyp
- Change value 27 to “not active”.
Disabling Orange Parking Lights (Halogen Headlights)
- 09 – Central Electronics
- Security Code – 31347
- Adaptations
- Change both (1) Leuchte2SL VLB10-Lasttyp and (1) Leuchte3SL VRB21-Lasttyp to “not active”.
Disabling Orange Parking Lights (Bi-Xenon Headlights)
- 09 – Central Electronics
- Security Code – 31347
- Adaptations
- Change value from 127 to 0 for both (6) Leuchte8FL LB2-Dimmwert AB 8 and (6) Leuchte9FL RB2-Dimmwert AB 9.
Numerous Other Tweaks
Many other modifications are possible, including: enabling ESC OFF via button, changing instrument cluster appearance, disabling seatbelt warnings, enabling gauge sweep, displaying fuel used since last fill-up, showing battery charge level, disabling door open tone, adjusting DRL brightness, disabling DRLs, changing comfort blinking, adjusting reverse light brightness, modifying tail light behavior, enabling high beams and fog lights to flash together, retrofitting rear fog lights for North American cars, using front blinkers as parking lights, enabling single-side parking lights, activating Scandinavian DRLs, disabling DRLs with the handbrake, disabling auto unlock, enabling rear teardrop wipe, using license plate LEDs without resistors, enabling rain closing windows, enabling comfort close windows, enabling comfort closing sunroof, enabling folding mirrors with lock/unlock, enabling automatic air recirculation, enabling blower fan level display on auto, adjusting the sound actuator, and enabling driving school mode. Detailed instructions for these modifications can be found in various online forums and resources dedicated to VAG COM VW coding.
Conclusion
The VAG COM VW offers extensive customization possibilities for your Volkswagen. While these modifications can enhance your driving experience, it’s crucial to research each change thoroughly and proceed with caution. Incorrect coding can potentially lead to errors or malfunctions. Always back up your original coding before making any changes.
