KESS3 Adds OBD VR Protocol to Yamaha 2024/25 Motorcycles

 Alientech KESS3 now supports OBD VR (Virtual Read) access for the Yamaha XSR 900 GP and YZF-R9 motorcycles, requiring the latest software version V2.34. Both motorcycles are equipped with 890 cm³ three-cylinder CP3 engines and controlled by the Denso BXX-8591A-XX ECU, which was previously supported in KESS3 boot mode and is now accessible via OBD VR.

Supported models:
Yamaha XSR 900 GP (2024/2025)
Yamaha YZF-R9 (2024/2025)

You can:
- Read and write to the Denso BXX-8591A-XX ECU quickly and reliably, without complex procedures.
- Study key parameters such as fuel and ignition maps, limiters, and throttle management.
- Provide a highly professional service thanks to the synergy of Alientech tools: KESS3 for programming, ECM Titanium for file editing, and Powergate to let your customers choose their driving style among the configurations you offer — even remotely via smartphone.

www.obdexpress.co.uk

OBDSTAR C4-09 Adapter: Read FLASH for Fiat Ducato 2023+

 OBDSTAR introduces the C4–09 (MB91F526) Adapter Kit, a specialized tool designed for seamless reading and writing of FLASH, DFLASH and immobilizer data decryption for select vehicle models. This adapter is a must-have for automotive locksmiths and technicians working with Magneti Marelli and Denso systems.

Features of the C4–09 (MB91F526) Adapter Kit

Broad Vehicle Compatibility

The adapter supports critical functions for the following models:

• Magneti Marelli MB91F526 BCM Models

Alfa Romeo: Giulia, Stelvio

Ferrari: 488 GTB, Portofino

Fiat (Brazil Market): Argo, Cronos, Ducato (2023+), Fastback, Pulse, Toro, Rampage

Jeep (Brazil Market): Renegade

• Denso MB91F526 BDMC Models

Mazda 3 (Flash Read/Write)

Core Functions

• Read/Write FLASH & DFLASH — Access and modify firmware data.
• Immobilizer Data Decryption — Essential for key programming and security-related tasks.

Compatibility with OBDSTAR Tools

Works seamlessly with:

OBDSTAR KeyMaster G3

DC706 Programmer

MP001 Multifunctional Programmer (Required for full functionality)

Why Choose the C4–09 Adapter Kit?

✅ Precision Engineering — Designed for reliable performance with MB91F526-based ECUs.
✅ Time-Saving — Streamlines immobilizer and flash operations for faster diagnostics.
✅ OBDSTAR Ecosystem Integration — Fully compatible with OBDSTAR’s leading diagnostic tools.

Where to Get It?

Pre-order are now available. For inquiries, bulk orders or technical support, contact:

WhatsApp: +44 7418609676

Email: sales@OBDexpress.co.uk

Final Thoughts

The C4–09 Adapter Kit is a powerful addition to OBDSTAR’s lineup, offering targeted support for high-end European and Brazilian vehicles. Whether you’re a locksmith, mechanic or dealership technician, this tool enhances efficiency in key programming and ECU diagnostics.

Stay updated with OBDSTAR’s latest innovations — visit www.obdexpress.co.uk

OBDSTAR ODO Master TOYOTA R7F701441 Dash Mileage Calibration

 In this article, we’ll show how to calibrate the mileage TOYOTA R7F701441 dashboard with OBDSTAR ODO Master by bench.

What you’ll need:

ODO Master (or X300 Classic G3)

High-power DC regulated power supply

Main cable

P004 Adapter + Jumper

TOYOTA R7F701441 Dashboard

Make sure to update software to the latest version before we get started.

Operations

ODO Meter >> AGREE >> TOYOTA/LEXUS/DAIHATSU >> Latest version >> TOYOTA >> LEVIN >> R7F701441 DENSO >> BENCH

Tap "Guide" and carefully read the function introduction, menu description and connection methods.

Refer to the wiring diagram to make the connection.

After connecting, check "ECU Info." to verify the information.

This is the original mileage reading: 6789km.

Read eeprom(R7F701441) >> OK >> Start >> Save eeprom file

Mileage Calibration >> OK >> Start >> Save data file

*If the read mileage differs from the mileage displayed on the dashboard by about 1.6 times, it means that the dashboard of the vehicle is configured in miles. When repairing the dashboard, please divide the mileage to be repaired by 1.609433 to repair it.

Input the data you wish to calibrate, then tap "Enter": 6000km.

Turn off the ignition.

Turn on the ignition.

Turn off the ignition.

Turn on the ignition.

As we can see, the current mileage has been changed to 6000km.

We can check "ECU Info." again to confirm the calibration is complete.

Done.

www.obdexpress.co.uk

VAPON VP100 Update: Clone BMW BDC2 Without TCM/ DME

 The VAPON VP100 Key Programmer introduces a new function upgrade for module cloning and key programming, simplifying the process of replacing or upgrading BMW BDC2 (Body Domain Controller 2) modules. This upgrade ensures seamless immo data transfer, VIN updates and future-proof key ordering capabilities — all without interfering with the TCM or DME.

Last Updated: July 21, 2025

Version: V2.08

Benefits of the VP100 BCM2 Upgrade

Efficient IMMO Data Backup & Transfer

• Back up the original BDC2 module’s immobilizer data and working key information effortlessly.
• Write the data directly to a second-hand or brand-new BDC2 module, ensuring compatibility.

- No TCM or DME Interference

Unlike traditional methods, this process does not require modifications to the Transmission Control Module (TCM) or Digital Motor Electronics (DME), preserving factory settings.

- Future-Proof Key Ordering

The cloned module retains full dealership functionality, allowing users to order new keys from the dealer without restrictions.

- Automatic VIN Transfer

The copy data replace function automatically updates the VIN on the new module, ensuring correct vehicle identification and compliance.

Step-by-Step Process

- Back Up Original Data

Extract the immobilizer data and key details from the car’s original BDC2 module.

- Write Data to New Module

Transfer the backed-up data to a replacement BDC2 module (used or new).

- Install & Verify

The new module is ready for use with no additional coding required for TCM/DME.

Why Choose VP100 for BDC2 Module Cloning?

• Time-Saving: Eliminates complex coding steps.
• Cost-Effective: Enables the use of affordable second-hand modules.
• Dealer-Compatible: Maintains OEM key programming capabilities.

For automotive locksmiths, BMW specialists and module repair services, the VAPON VP100 BCM2 upgrade is a game-changer, offering a faster and safer solution for BDC2 replacements.

www.obdexpress.co.uk

How to Activate ECU Flash Function for LAUNCH X431 Tool?

 LAUNCH X431 has released the ECU Flash function for some truck diagnostic tools. Follow this guide to purchase, enable and activate this function.

Compatible devices:

• Launch X431 PAD V LINK HD
• Launch X431 PRO3 SE HD
• Launch X431 PRO3 LINK HD
• Launch X431 V+ SmartLink HD
• Launch X431 PRO3S+ SmartLink HD
• Other PRO3 series HD tablets

NOTE:

X431 PAD V LINK HD has already add ECU Flash function in the device

Other PRO3 series tablets have been updated to X-431 HD APP, same as X-431 PRO3 SE HD

All (except PAD V LINK HD) need to purchase ECU Flash software in the Mall /Software Store/Commercial Vehicle

ECU Flash Function Including:

• Supports full-range Cummins engine ECU flash (read/write) (China III, IV, V, and VI emission standards)
• Supports Bosch system:

ECU data flash for China III-VI engines

Low-level (boot mode) flashing

Cross-version engine flash without physical disassembly

• Sinotruk system coverage:

CBCU/CBCU3 modules

2012 instrument cluster variants

BBM and VCU units

Proprietary SCR system

• Delphi system support:

Unit pump ECU flash

Full-range engine data flashing (China III-VI)

• Nanyue unit pump ECU flash (R01/R02 models)
• Yuchai proprietary system flash
• Denso ECU solutions:

Hino/Shanghai Diesel/Wuxi Diesel/Dongfeng/Sinotruk series

• Foton vehicle systems:

Instrument cluster combinations

Smart BCU modules

AMT control units

CBCU3 flash

• Weichai and Wuxi Diesel proprietary systems:

Complete engine data flash (China III-VI)

• Natural gas system support:

Woodward/WPDS systems

Bosch EGC4

Sinotruk-Yuchai-Wuxi Econtrols

Yuchai proprietary NG systems

OH6 platform

• Aftertreatment DCU coverage (20+ systems):

Tenneco/Sanli/Kelong/ACM/Tianlan

Dinex/Kedes/Henghe/Qintai/Weifu

Bosch and other major brands

• Dongfeng Commercial Vehicles:

OEM-grade online matching

China VI compliant data flash

How to configure/enable ECU Flash function?

The "Online Programming", "(ECU Flash) diagnostic software" and the "Flash Data Management" functions were not displayed on the X431 PAD V LINK HD and PRO3 series HD device APP.

All need to modify the configuration file.

• For X-431 PAD V LINK HD

Path: /storage/emulated/0/cnlaunch/X431PADV/assets/StdCfg.ini

• For X-431 PRO3 SE HD/ PRO3 LINK HD/ V+ SmartLink HD/ PRO3S+ SmartLink HD

Path: /storage/emulated/0/cnlaunch/X431Pro3S/assets/StdCfg.ini

Modified parameters:

-> OnlineFlash=0, Flash=0

For PAD V HD, go to Other Modules — Files — file management (internal storage) — cnlaunch folder -Device name — Assets directory and find the file named Stdcfg.ini.

For Pro3 HD series, go to Other Modules — Files — file management (internal storage) — emulated-o-cnlaunch folder -Device name — Assets directory and find the file named Stdcfg.ini.

Note:

1).Overseas configurations are preset to 0 by default (OnlineFlash=0, Flash=0)

To enable Online Programming, please change the value to 1 manually.

2).If there is no OnlineFlash or Flash parameter, please directly add "OnlineFlash=1; Flash=1;" at the end of the Stdcfg.ini

document.

3).After modifying the parameter to "OnlineFlash=1; Flash=1;" the APP will show the online programming (ECU Flash) function.

• X-431 HD APP:

"ECU Flash" software appears under the "Local diagnosis/Manufacturer" menu

"ECU Flash Data Management" function appears in the "More" section

• X-431 APP:

"ECU Flash" software appears under the "Local Diagnosis/HD/ALL" menu

"ECU Flash Data Management" function appears in the "Toolbox" section

Launch X431 ECU Flash Heavy-duty Truck Support List:

www.obdexpress.co.uk

How to Reset BMW BDC2 Mileage by Yanhua ACDP Module 38?

 Yanhua ACDP with Module 38 is available to reset mileage for BMW G chassis BDC2 immobilizer system by bench now. This function can be found under the [Add Key]. Check the simple operation guide below.

Preparation:

• Mini ACDP1 or ACDP2 device
• Yanhua Module 38 with license A503

ACDP APP Menu Path:

Navigate to

BMW-> FEM/BDC-> IMMO/Mileage->BDC2 ICP+OBD (F/G Chassis) -> Add Key-> Reset Mileage

Perform 3 steps below to complete the mileage reset

• Step 1: Read coding data
• Step 2: Reset KM data
• Step 3: Write coding data

Note:

• Back up coding data before proceeding.
• The BDC2 module must be removed from the car, and connect to Yanhua Module 38 interface board for the reset process.

Which BMW BDC2 car models can reset mileage by Yanhua ACDP?

The car models are the same as BDC2 IMMO, check the support list below.

If you want to reset mileage for BMW instrument clusters with 35128 or 35160 chips, you’d better use Yanhua 35xx Programmer+ Simulator.

http://blog.obdexpress.co.uk/2023/04/26/how-to-install-yh35xx-chip-clip-for-35128wt-read-and-write/

www.obdexpress.co.uk

APPRO2 Program BMW CAS4 Key Step-by-Step OBD Tutorial

 How to program new BMW CAS4 keys with APP2 APPRO2 Key Programmer by OBD? No original key required! This step-by-step guide walks you through retrieving the CAS password, generating dealer keys and avoiding common pitfalls. Whether you’re a locksmith, mechanic or DIY enthusiast, follow these instructions for seamless key matching every time.

Software Update

The latest APPRO upgrade enables OBD key programming for CAS4 systems, including SM48H & 1N35H CPUs (2010–2019). Key features:

• OBD or programmer key generation
• "Load Password" function (V04+) — Input CAS password for faster access
• Five software refinements for smoother operation

Ideal for BMW diagnostics & key replacement.

How to program BMW CAS4/4+ keys by OBD?

Step 1: Obtain CAS Password

1. CAS4 (EWS4): Password can be retrieved directly without the original key or engine ISN.

1. CAS4+ (EWS5): Requires the original key or engine ISN to obtain the password.

1. Force Enable Function: If only a disabled key is available, use APPRO2’s forced activation to retrieve the password.
2. Backup Password: Always save the password file for emergencies.

Step 2: Generate Dealer Key

1. Prepare a Blank Key: Match the vehicle’s frequency (check via "Key Information").
2. Select a Blank Key Position: Avoid duplicates in the vehicle’s key list.
3. Generate New Key:

• Click "Generate New Key" → Confirm.
• Hold the blank key near the steering column’s key area.
• Wait for success — new key ID will appear in the list.

Key Notes

• Reusable Keys: OBD-generated keys aren’t locked — can be reused on other vehicles.
• Avoid Duplicates: Delete old key IDs before regenerating for the same vehicle.

Tip: Save passwords and verify frequencies for smooth key matching!

www.obdexpress.co.uk