Webasto Heater Diagnosis: Retrofit Systems (Articles)

To diagnose aftermarket installed Webasto auxiliary heaters, the diagnostic software from Webasto should be used:
http://lmgtfy.com/?q=Webasto+Thermo+Test+v.2.16+ru

Our existing VCDS HEX-USB+CAN diagnostic hardware can be used for this purpose.

Important: When retrofitting the heating system, the diagnostic cable must be connected to the auxiliary heater control unit!

Here's what might be helpful:
http://shop.dieselschrauber.de/break-out-box-obd2-multiplexer-p-315.php

To use our VCDS diagnostic hardware with a USB connection:
- Log in to the customer account and download the VCP driver (emulation of a virtual COM port).
- Follow the instructions: https://community.dieselschrauber.org/en/viewtopic.php?t=17581