The Volkswagen Passat B8, built on the MQB platform, offers a plethora of customization options through VCDS (Vag-Com Diagnostic System). This guide outlines several VCDS tweaks for the VW Passat, enhancing convenience, functionality, and even performance. These modifications have been compiled from various sources including online forums, dealer interactions, and personal experimentation. Remember to proceed with caution and consult reputable sources before making any changes to your vehicle’s systems.
Common VCDS VW Passat Modifications
Passenger Mirror Dip in Reverse
Enabling this feature automatically dips the passenger-side mirror when reversing, providing improved visibility of the curb.
- Module: 52-Door Elect., Pass.
- Access: Long Coding
- Modification: Enable bits 2 and 3 of byte 4.
- Module: 09-Cent. Elect.
- Access: Security Access – 16 (Security Code: 31347)
- Adaptation: Activate the following channels:
- IDE08542-ENG116650-Access control 2-Spiegelabsenkung bei Rueckwaertsfahrt (Enables mirror dip in infotainment)
- IDE08542-ENG116657-Access control 2-Menuesteuerung Spiegelabsenkung (Enables mirror dip menu option)
- Final Step: Reset the infotainment unit to factory defaults and restart.
Rain Closing for Windows
This modification automatically closes the windows if rain is detected. Note: Sunroof functionality may vary.
- Module: 09-Cent. Elect.
- Access: Long Coding on RLFS slave module
- Modification: Enable bit 2 of byte 0.
- Access: Security Access – 16 (Security Code: 31347)
- Adaptation: Set the following channels: First two to permanent, last to active.
- IDE08542-ENG125655-Access control 2-Regenschliessen_ein_aus
- IDE08542-ENG125656-Access control 2-Regenschliessen_art
- IDE08542-ENG122186-Access control 2-Menuesteuerung Regenschliessen (Enables rain closing menu option)
- Final Step: Reset the infotainment unit to factory defaults and restart.
Custom Discover Media Startup Logo
Personalize your infotainment system by changing the boot logo.
- Module: 05-Infotainment
- Access: Long Coding
- Modification: Change byte 18 to:
- 00: None
- 01: Hybrid
- 02: GTD
- 03: GTI
- 04: Bluemotion
- 05: E-Golf
- 06: R-Line
- 07: Golf R
- Final Step: Reset the infotainment unit to factory defaults and restart.
Audible Lock/Unlock Confirmation
Enable a beep confirmation for locking and unlocking the vehicle.
- Module: 09-Cent. Elect.
- Access: Security Access – 16 (Security Code: 31347)
- Adaptation: Activate the following channels:
- IDE02269-ENG116666-Acknowledgement signals-Akustische Rueckmeldung entriegeln (Unlock beep)
- IDE02269-ENG116667-Acknowledgement signals-Akustische Rueckmeldung verriegeln (Lock beep)
- IDE02269-ENG122188-Acknowledgement signals-Menuesteuerung akustische Rueckmeldung (Adds menu option)
- Final Step: Reset the infotainment unit to factory defaults and restart.
Daytime Running Light (DRL) Control
-
Enable/Disable DRL via Car Menu:
- Module: 09-Cent. Elect.
- Access: Security Access – 16 (Security Code: 31347)
- Adaptation: Activate: IDE06864-ENG116594-Daytime running lights-Tagfahrlicht Aktivierung durch BAP oder Bedienfolge moeglich
-
DRL Only in Auto Mode:
- Module: 09-Cent. Elect.
- Access: Security Access – 16 (Security Code: 31347)
- Adaptation: Activate: Tagfahrlicht nur in Schalterstellung AUTO
-
Final Step: Reset the infotainment unit to factory defaults and restart.
Advanced VCDS Modifications for VW Passat
Adjusting Comfort Turn Signals
Customize the number of blinks for the comfort turn signal feature (3-5 blinks).
- Module: 09-Cent. Elect.
- Access: Security Access – 16 (Security Code: 31347)
- Adaptation: Adjust IDE04923-ENG116587-Turn signal control-Komfortblinken Blinkzyklen to desired number.
- Final Step: Reset the infotainment unit to factory defaults and restart.
Enabling Offroad Car Menu
Add an offroad menu to the infotainment system.
- Module: 5F-Infotainment
- Access: Adaptation – 10
- Adaptation: Activate the following:
- ENG122227-ENG117566-Car_Function_Adaptations_Gen2-menu_display_compass
- ENG122227-ENG117568-Car_Function_Adaptations_Gen2-menu_display_compass_over_threshold_high
- ENG122229-ENG117732-Car_Function_List_BAP_Gen2-compass_0x15
- Final Step: Reset the infotainment unit to factory defaults and restart.
“Audi Throttle” Modification
This tweak purportedly improves throttle response. Proceed with caution as it might trigger dashboard errors.
- Module: 01-Engine
- Access: Long Coding
- Modification: Change the first byte from 01 to 02.
Disable Automatic Braking on Stall
Prevent harsh braking when the engine stalls.
- Module: 03-Brakes
- Access: Adaptation – 10
- Adaptation: Deactivate: “Automatic application during engine stalling”
Lock Car with Ignition On
Enable locking the doors with the ignition on (for vehicles with KESSY).
- Module: 09-Cent. Elect.
- Access: Security Access – 16 (Security Code: 31347)
- Adaptation: Activate: IDE05142-ENG115754-Access control-Funk bei Klemme 15 ein
This guide provides a starting point for VCDS modifications on the VW Passat. Always research thoroughly and understand the potential risks before implementing any changes. Incorrectly modifying your vehicle can lead to malfunctions and void warranties.