Haldex Controller Update
Haldex Controller main firmware update.
Update can be done by Android App or USB
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.