Haldex Controller Firmware Release Notes

Release v1.3.22

23-09-2025

New Features

- Gen5 0CQ Haldex calibration mode added for standalone setups
- Fueltech CAN support added
- Ford CAN support added
- WiFi firmware update support added
- VAG Gen1 Haldex Extended Haldex Lock positions added
- VAG Gen4 Haldex Extended Haldex Lock positions added
- Bootloader update function added for future updates

Improvements

- Overall performance improvements
- Auto CAN protocol detection added for VAG PQ and MQB
- VAG Gen1 Haldex Performance updates
- VAG Gen4 Haldex Performance updates

Fixes

- CAN Protocol and CAN ABS Speed output memory fix

Release version 1.3.21

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

Release version 1.3.19

16-05-2024

Fix - Haldex Gen5 OFF mode was set incorrect
New - Haldex Gen6 Detection added

Release version 1.3.18

12-10-2023

Bugs:
- Gen2, Gen4, Gen5 0AY, no data send to car causing lights on dash.

Launch Control lock to 50/50 removed.

Release version 1.3.17

26-9-2023

Bugs:
- Gen5 0AY Fault code fix
- PQ CAN ABS Speed output signal fix
- MQB CAN fix for gateway fault code 131599 - Control Module for All Wheel Drive Clutch U0114 00 [009] - No Communication
- Correction for default track map max speed and throttle was 100/0 set to 50/50

Feature:
- Saab Haldex Gen4 support added
- VAG Haldex Gen1 extended torque values added
- VAG Haldex Gen5 0CQ extended torque values added
- CAN protocol Saab added
- CAN Protocol MaxxECU added
- CAN Protocol Haltech added
- CAN Protocol KMS added
- CAN MQB data added - Hazardlight
- CAN MQB data added - Drive mode
- CAN MQB data added - Haldex drive mode
- CAN PQ data added - Hazardlight
- CAN PQ data added - Drive mode
- Bluetooth data message added for additional car data
- Burnout mode on Hazardlight (also parkingbrake)

- Speed mode changes:
Speed intervals can be changed
3 Presets can be made to have 3 different maps available for fast switching
Default map and intervals can be loaded

Release version 1.3.15

Bugs:
- Gen4 Missing engine message in passthru mode
- CAN Timing adjustment
- Output 2 RPM output PWM correction

Feature:
- CAN Trace function
- Output 2 enable switch

Release version 1.3.14

Feature:
- Canbus protocol input added EmuBlack 1000k
- Canbus protocol input added Megasquirt 500k
- Canbus EmuBlack brake signal
- Volvo Haldex real pressure value in input debug

Bugs:
- Bug with reverse signal setting haldex to 100/0 random
- PQ Brakepressure value correction
- PQ 4 Wheel speeds value correction
- MQB Brakepressure value correction
- Track mode speed interval value
- Track mode throttle interval value not saved correct

Release version 1.3.13

Feature:
- MQB CAN wheel speed values added
- Gen5 Traction mode selection adde
- Haldex model detection added
- Manual switch option Track mode added
- Volvo haldex temperature OBD request added
- Volvo P2 Gen2 added
- Volvo P2 Gen3 added
- CAN input Volvo P2, P3, P1 added
- Signal diagnostics added

Bugs:
- Engine temperature value corrected
- MQB Gen5 0CQ missing message fixed
- MQB CAN Parkingbrake input fixed
- Various small bug fixes

Release version 1.3.11

Feature:
- Gen2 Extended values added

Bugs:
- Gen2 Lock issue on start

Release version 1.3.9

Feature:
- Boost Pressure PQ
- Brake Pressure PQ

Release version 1.3.8

- Handbrake before LC

Release version 1.3.7

- Update bug fixed
- Gen5 0CQ Haldex temperature OBD request added
- Brake pressure added

Release version 1.3.6

Feature:
- Manual switch default settings on Reset
- Popup message on Reset
- Track Settings clear speed interval to default 30km/h
- Track Settings clear speed interval activate to default off
- Map advanced steering angle bug

Release version 1.3.5

Feature:
- More MQB car canbus data added
- MQB Steering angle added
- Gen5 0CQ now fully supported no more time issues
- Gen5 0CQ standalone also supported
- Recording function to record car data
- Option to disable Haldex on Reverse (only DSG)
- Option to disable Haldex on Parking based on custom speed and steering angle
- Launch Control set Haldex to 50/50 (only DSG)
- New Mode Track

Bug:
- Gen5 0CQ Parkingbrake not setting haldex to OFF

Release version 1.2

- Performance improvements
- New mode Map

Release version 1.1.2

- Performance improvements
- Bug Manual switch position on settings page not correct
- Gen5 OAY support