KESS3 Adds Boot Support for Landini McCormick CompAir
Alientech KESS3 released new protocol fpr HJS ACU- CompAir, Landini, McCormick.
Operate in BOOT mode on next-generation agricultural and industrial machines, expanding your service options on some of the most requested work vehicles in the field.
- Read and write in BOOT mode on the HJS ACU control unit
- Work with precision on 4.5L and 6.7L engines from 2014 onwards
- Optimize performance and auxiliary system management on CompAir, Landini, and McCormick professional machines
19.11.2025 — UPGRADE 2.63
KESS3 expands its support for professional vehicles by introducing a new protocol for the HJS ACU control unit, installed on 4.5L and 6.7L engines from CompAir, Landini, and McCormick. This update offers new tuning opportunities for agricultural and industrial vehicles, improving performance and the management of auxiliary engine systems.
Read and write directly to the ACM memory, with the ECU open, in BOOT mode on vehicles produced from 2014 up to and beyond 2021.
Gain new customers by offering a highly requested service that supports professionals working with modern and high-performance machines.
Technical focus
Connection: BOOT
ACM: HJS
ACU
Production years: from 2014 to beyond 2021
Brands involved: CompAir,
Landini, McCormick
Supported vehicles
CompAir Air Compressor
Landini 6
Series
McCormick X6, X7, X8
Foxflash guide to boot-read and clone Renault SID306
Renault SID306 ECU cloning is done with Foxflash programmer.
Continental Sid306 Infineon TriCore SAK-TC1766 boot mode clone ecu.
Need
attention for pinout because very small in ecu pin.
Cloning cannot be done on bench.
Read in boot ok.
Write in boot ok.
Checksum by foxflash.
Better keep power supply 12V+.
KESS3 update for MAN PTM5 ECU boot read and write
Alientech KESS3 released new protocol for
Continental PTM5- MAN 12.4L trucks.
Operate in BOOT mode on European
heavy-duty vehicles thanks to the latest update dedicated to MAN engines.
- Read and write the ECU in BOOT mode.
- Work safely on 12.4L engines across the most reliable MAN series.
- Improve efficiency and overall performance on long-haul and heavy-duty applications.
KESS3 expands its support for heavy-duty vehicles in the European market, introducing a new protocol dedicated to the powerful 12.4-litre MAN engines found in some of the brand’s most iconic series.
Read and write in BOOT mode the Continental PTM5 ECU installed on MAN TG-S and TGX trucks produced since 2013.
This update allows precise control of engine logic, enhancing power and optimizing fuel efficiency in MAN’s most reliable work vehicles. Operate directly on the ECU memory for maximum effectiveness and control in every programming phase.
Technical focus
Connection: BOOT
ECU: Continental
PTM5
Production years: from 2013
Brands involved: MAN
Supported vehicles
MAN TG-S, TGX
How to use OBDSTAR DC706 for VW Up ME17.5.24 ECU work
OBDSTAR DC706 read and write VW up with ME17.5.24 ecu, start breaker remove.
Read eeprom & flash ok.
Write eeprom and flash ok.
Checksum by
DC706.
DC706 will also read immo data, decrypt immo data, write VIN and IMMO
OFF for this ECU.
Did a few already for VW and Audi, worked great.
mp001 is not necessary, the P003+ can also do the job.
How to solve Flex missing SN and firmware information
Problem: What’s going on with the Magic Motorsport Flex programmer? Cannot see device SN, no connection.
Solution:
Possible solutions:
There is no usb connection. Change cable or port.
Reinstall new software from mms and it will be fixed
Go to your mms page
and download it and see how it works
Go to the help desk and in your account,
download and install the update, and that should fix it.
User feedback:
Beeded to sync my date and time on the pc to get it working.