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Haldex Controller Update

Haldex Controller main firmware update. 

 

Update can be done by Android App or USB

v1.3.21

15-04-2025

Fix - Haldex Temperature not Always shown correctly
Change - Brake pressure, Engine Temperature, Oil Temperature moved to slow data stream
Change - Haltech default CAN speed to 1Mbit
New - Haldex Cooling output function added for external haldex oil cooler
New - Haldex CAN simulator added for when a Haldex with different CAN protocol is installed
Change - MQB CAN Parking brake status added for non EPB cars
New - Mode speed wheel slip detection functions added
Fix - Data logging stream fixed, additional data was not send correctly
Fix - Fix for current DSG gear for both PQ and MQB
New - MQB Haldex drive mode feedback added
Fix - Changed 4 wheel speeds data type to increase accuracy
New - CAN USB logger functions added for support
Fix - Analog throttle position limit error message was overflowing the app
New - Wheel slip calculation added for MQB and PQ CAN
Fix - Memory reset function was not resetting correctly
Fix - Memory reset for analog throttle limits was incorrect
Change - Update for Saab Gen4 Haldex control
New - VE Haldex Controller CAN protocol added for external control over CAN
Fix - Fix for Haldex 1,2 and 4 model detection
New - MQB CAN Drive mode data added
Fix - Haltech fix for CAN data, RPM, Throttle, Boost, Speed
New - Haltech added CAN data, Reverse, Engine temperature, Engine Oil, Steering Angle

How to update by App:

  • Turn ignition on
  • Open the Haldex Controller App
  • Go to Controller Update menu
  • Click on CHECK button to download latest firmware file to the App
  • Select firmware version in dropdown menu
  • Click Bootloader to switch controller to update mode
  • Click Start Update to load selected firmware
  • Update takes about 5 minuts
  • When the status bar is at 100% and status shows Ready! the update has finished

Keep the update screen active while the update is running! if you leave the screen the update might not finish correct.

When a update has failed and the controller is not responding you need to load firmware by usb.

How to update by USB:

Needed, Windows PC with USB and Micro USB cable

Download the update files:
www.vdveer-engineering.nl/haldexcontroller/firmware/HaldexController.rar

www.vdveer-engineering.nl/haldexcontroller/firmware/USBDrivers.rar

  • Open the case of the Haldex Controller (orange led is probably not blinking)
  • Insert USB cable into Controler and PC
  • When the pc does not detect the USB press and hold the erase button and insert USB cable.
  • Install drivers if needed
  • Start HaldexControllerUpdate.exe
  • Select update file
  • Refresh com port
  • Start update
  • Now reinsert USB cable and try to connect to controller with the App. (orange led should be blinking now)
  • If everything is working reinstall in the car.