Retrofitting

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Revision as of 12:20, 21 February 2011 by RtWiKiSyS0p (talk | contribs)


Retrofitting Support

Due to the volume of retrofitting requests we have added the following to the Technical Support Policy for common retrofitting scenarios.

These instructions may not cover mechanical/electronic details, they will only list the the diagnostic side (coding etc.). Additional details for the mechanical/electronic work needed are part of the retrofitting instructions provided by the parts supplier (i.e. trailer hitch retrofits) or can be found in the factory repair manuals and wiring diagrams.

VCDS will communicate with and perform basic scan tool functions on OE (original equipment) VW, Audi, Seat and Skoda control modules that support diagnosis. When it comes to retrofitting components the level of support we provide may be limited. Support is only available to registered users.


General Retrofitting Policy

If you install control modules that could have been factory installed in the vehicle from we should be able to help. This is assuming the following conditions are met:

  • The retrofitted module is compatible with the vehicle platform and the remaining modules in the vehicle.
  • The vendors instructions were used to properly:
    • Install the control module(s).
    • Install the needed wiring.
    • Hardware (when needed) for the functionality of the new module is properly installed.
  • The repair manual and wiring diagrams were used to troubleshoot unforeseen problems.
  • The retrofitted module will communicate properly with VCDS.
  • The retrofit in its entirety must comply with legal or OE standards as if it was factory installed. This includes, but is not limited to, Xenon headlights. Aftermarket "Plug-and -Play" systems are rarely legal and do not include the necessary control modules and sensors to complete a proper OE style retrofit. See: Xenon Headlight Retrofitting Policy

Registered Customers can Contact Ross-Tech with a complete Auto-Scan from the vehicle IF all of the above mentioned components are installed.


Software Version Management (SVM)

Retrofittings and Modifications which are not or cannot (for example because there is no official retrofit like this) documented using Software Version Managements (SVM) at the dealership should at least be documented in the customers/cars documents. We recommend you add the following information to the service/owners manual of the car:

  • Type and complexity of the Retrofitting/Modification
  • Location of the Retrofitting/Modification (Contact Person in Case of Problems)
  • Software/Hardware Part Numbers of the Modules which have been replaced (if applicable)
  • Coding and Adaptation Changes made during the Retrofitting/Modification (before and after)

The Reason for these suggestions is that the dealer


Der Grund für diese Vorgehensweise liegt u.a. im Soll/Ist-Vergleich, einem Abgleich der Fahrzeugkonfiguration zwischen dem aktuellen Zustand und dem der nach Abschluss der Produktion des Fahrzuges vorlag bzw. aufgrund von Änderungen (Aktionen etc.) nun vorliegen sollte. So werden zum Beispiel geänderte Bauteile und Codierungen während des Abgleichs erkannt und sofern möglich (bzgl. Codierungen) wird der Techniker vom Originaltester vor die Wahl gestellt ob die Diskrepanz korrigiert werden soll oder nicht. Geschieht dies, so ist die Um-/Nachrüstung im Anschluss häufig gar nicht mehr oder nur begrenzt nutzbar. Die Dokumentation im Serviceheft dient also dazu derartige Fehler zu vermeiden oder falls bereits aufgetreten diese rückgängig machen zu können.


Retrofitting

Cruise Control Retrofitting


Navigation System Retrofitting


Tire Pressure Monitoring Retrofitting


Trailer Hitch Retrofitting


Xenon Headlight Retrofitting

Xenon Headlight Retrofitting Policy

Ross-Tech cannot assist with coding of these retrofits when all of the necessary component are Not in place for a few of the following reasons:

  • Address [09] - Central Electronics Control module failure is highly possible and the cost of our reputation and vehicle repair(s) outweigh the benefits for the end user's retrofit job.
  • Laws and Vehicle regulations vary greatly Internationally. We cannot be responsible for the legality and compatibility issues when assisting with some of the retrofitting requests.
  • It is the responsibility of the vendor/distributor to provide instructions for the installation of their products and inform the customer of any legality issues when they are installed.


The AFS (Adaptive Frontlight System) is quite advanced and cannot be summarized here with much detail. The interaction of the G85 (Steering Angle Sensor) and level sensors on the suspension is critical for proper steering and leveling operation and most importantly safety of oncoming traffic.


The Factory Xenon Lighting System typically includes the following components:

  • Address 09: Cent. Elect. (J519) module capable of supporting Xenon Headlights.
  • Address 55: Xenon Range module (generally mounted inside the vehicle).
  • Level sensor(s) on the suspension.
  • AFS sub system (aka slave) control modules inside the headlights.
  • Headlights designed for Xenon components.
  • The motors, ballast, bulbs and such in the lamps.
  • Wiring to and from all of these components to the new 55 module, CAN Gateway and respective components.
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