LAUNCH X431 Update Diagnostic Software for HONDA SUBARU TOYOTA

 Launch X431 has released new diagnostic software for HONDA, SUBARU, and TOYOTA, offering enhanced vehicle coverage and functionality.

To access the latest features, simply renew your subscription via the Launch Subscription Card or upgrade directly from the Mall.

HONDA V49.40

Added Multi-System Data Stream Function;

Optimized EGR test and VCM test functions;

SUBARU V26.31

Added 2025 supported model: IMPREZA, CROSSSTREK, BRZ, ASCENT, and EVOLITS.

TOYOTA V51.30

Added support for the DTC, freeze frame, data stream, and actuation test functions of 2025MY Toyota models;

Added support for the DTC, freeze frame, data stream, and actuation test functions of 2025MY Lexus models;

Added support for common special functions of 2025MY Toyota models;

Updated the service function of Toyota to 2025;

Updated the service function of Lexus to 2025.

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How to Reset MB HU6 (IC77) ODO Module Mileage by Yanhua ACDP2?

 Question: Is it possible to use Yanhua ACDP2 to correct mileage for the MB HU6 instrument module (IC77) with R7F701403 chip on Bench?

OBDExpress.co.uk engineer replied:

Yes. Previously, only OBD mode was available. Now Bench mode is supported as well.

Requirement:

• Yanhua Mini ACDP-1/Mini ACDP-2
• Yanhua Module 37 with License A103
• Yanhua Mercedes-Benz MB HU6 YH-OBD Platform (newly released)

Highlight: you don’t need to install the original HU6 module on the car and operate via OBD on car. You can connect HU6 Module to MB HU6 YH-OBD platform to operate mileage correction on the bench.

MB HU6 vehicle models supported:

• Mercedes-Benz W247 A/B/CLA/GLA/GLB after 2019
• Mercedes-Benz W177 CLA/GLA after 2019
• Mercedes-Benz 167 GLE/GLS after 2019
• Mercedes-Benz W213 E/CLS after 2020
• Mercedes-Benz H243 EQA and X243 EQB after 2021

How to correct mileage by Yanhua MB HU6 YH-OBD Platform?

Power on Yanhua ACDP device

Run Mini ACDP APP/software

Confirm the ACDP device is bound to ACDP APP/software

Menu function path:

Benz>> HU6 ODO Module (IC177) mileage correction>> R7F701403 (A167/A213/A247)>> OBD+ICP reset mileage>> Original module (YH platform)

Then perform the three steps below.

• Step 1: OBD backup data
• Step 2: ICP modify data
• Step 3: OBD modify mileage

Remove the Benz HU6 instrument module from the vehicle

Step 1: OBD backup data

1.Connection method

Prepare the necessary tools:

• Yanhua ACDP Key Programmer
• 20 PIN Cable
• BENZ-HU6-OBD Platform
• MB HU6 Instrument Module

Align the interface board with the instrument module and secure it.

Push the interface board switch toward CAN-R.

2.Operation

Start the backup process

Identify system information successfully

Note: The VIN and EZS hardware number will not be displayed when using the YH OBD platform

Verify the Total Drive Mileage and Drive Mileage

Read and save the coding data and maintenance data separately

Ensure correct backup path, date, time, and file name

OBD backup completed

Step 2: ICP modify data

1. Connection method

Prepare the required components:

• Yanhua ACDP Module 37 (BENZ-HU6-R7F701403 Interface Board)
• MQB V2 Adapter
• 20 PIN Cable
• Mini ACDP2

Determine the installation area for the interface board on the instrument module

Locate positioning holes D1-D5 on the instrument module

Check the test point pin definition

Align the interface board probe with the odometer probe holes

Press down on the interface board and lock it in place using the PCB lock buckle

1. Operation

Check pin status and verify system information

Save the extracted chip data

Ensure a stable internet connection to obtain necessary data from the server

Begin writing chip data. Do not power off or disconnect the device during this process

Wait for confirmation that odometer data modification is successful

Save the modified data

Step 3: OBD modify mileage

1.Connection method

Use the same setup as Step 1

2.Operation

Enter the new mileage and load the saved coding data from Step 1

Verify that Total Drive Mileage and Drive Mileage have been reset to zero

Initiate mileage reset

Once completed, confirm that the Total Drive Mileage is correct

Reinstall the Benz HU6 instrument module into the vehicle and verify that the mileage displayed on the instrument panel is correct.

YANHUA ACDP Mercedes-Benz HU6 YH-OBD Platform is available now.

https://www.obdexpress.co.uk/wholesale/yanhua-mb-hu6-yh-obd-platform.html

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Yanhua ACDP MB HU6 ODO IC177 Mileage Correction Tutorial

 This is a tutorial on how to do Mercedes-Benz HU6 ODO IC177 Module Mileage Correction with Yanhua Mini ACDP 2 + Module 37 + MB HU6 YH-OBD Platfrom.

Tips: Using MB HU6 YH-OBD platform, you don’t need to install the original HU6 module on the car and operate via OBD on car. You can connect HU6 module to MB HU6 YH-OBD platform to operate mileage correction on the bench.

Step1. OBD Backup Data

Remove the Bnez HU6 instrument module from the car.

Power on the ACDP device and open app.

Mini ACDP >> Benz >> HU6 ODQ Module(IC177) mileage correction >> R7F701403(A167/A213/A247) >> OBD + ICP reset mileage >> Original module(YH platform) >> Step1 Help

Click "Help" to get connection diagram.

Connect ACDP to the BENZ HU6 module properly, push the switch of the interface board toward the CAN-R.

OBD backup data >> OK

Please connect the ACDP to OBDII, then turn on the ignition and light up the instrument!

Check total drive mileage and drive mileage.

Note VIN and EZS hardware number won’t show when using YH OBD platform.

Please save coding data.

Please save maintenance data.

Step2. ICP Modify Data

Dismantle the BENZ instrument module, take out the instrument panel.

Click "Step2 Help".

Conenct ACDP to the device properly.

ICP modify data >> OK

Connect the ACDP, interface board and instrument module.

Verify system info, click Continue.

Please save chip data.

Prepare to obtain data from the server, please keep the network stable during the operation!

Write chip data is about to begin, and forbidden to power off or unplug the device during operation!

Writing chip data, please wait…

Modify odometer data finish.

Step3. OBD Modify Mileage

Click "Step3 Help".

Connect ACDP to the BENZ HU6 module properly.

OBD Modify Mileage >> OK

Please connect the ACDP to OBDII, then turn on the ignition and light up the instrument!

Check total drive mileage and drive mileage to see if they have been reset to zero.

Please select coding data.

Please enter an even number of mileage, if you enter an odd number of mileage, it will be rounded up to even mileage.

Mileage(km): 4666

Reset mileage is about to begin, and forbidden to power off or unplug the device during operation!

Writing odometer data, please wait…

Check the repaired mileage data is correct.

Install the BENZ HU6 instrument module into the car.

Check if the mileage displayed on the instrument panel is normal.

Done.

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Choosing The Right Tool: CGDI K2 or Xhorse VVDI Key Tool Max PRO?

 What’s different between CG CGDI K2 & Xhorse VVDI Key Tool Max PRO key generator? Don’t know how to choose? Here we’ve made a comparison table summarizing the differences and features between them.

Comparison Table

Main Differences

Functionality

The CGDI K2 is more focused on remote key programming and key cloning, while the VVDI Key Tool Max Pro offers a wider range of services, including OBD diagnostics, immo programming and specialized functions like battery leakage detection.

Vehicle Coverage

The VVDI Key Tool Max Pro has extensive support for multiple car brands and includes features for advanced vehicle diagnostics.

Battery & Charging:

The CGDI K2 has a 4800mAh battery with a standby time of over 7 days, while the VVDI tool has 3375mAh battery capacity with a standby time of over 5 days.

Portability

Both tools are designed to be portable and easy to use, but the VVDI Tool Max Pro appears to offer more diagnostic features, making it potentially more versatile for professional use.

Summary

The CGDI K2 Remote Programmer is a specialized tool for remote key programming and key cloning, with a focus on ease of use and portability. It supports Wi-Fi connectivity for remote access and key copying, and has a good battery life. It is suitable for basic key programming tasks but lacks advanced diagnostic features.

In contrast, the Xhorse VVDI Key Tool Max Pro is a more versatile tool with a built-in OBD module for key programming and in-depth vehicle diagnostics. It supports a wide range of vehicles, including BMW, GM, and Ford, and provides additional functionalities such as immo programming, battery leakage detection and voltage detection. The tool is designed for professional use, offering advanced features for automotive technicians.

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LAUNCH X431 XPROG3 PC Adapter BENZ Bosch Gearbox Wiping

 This is a tutorial on how to perform Mercedes-Benz 4-Speed Bosch Gearbox Wiping with LAUNCH X431 XPROG3 + PC Adapter by bench.

Open X-Prog3 PC Adapter softare, enter ECU model to search:

Make: Mercedes

Model: FBS4

TCU: VGS4–0-NAG2

Click "Direct connection on diagram".

There are 2 wiring methods for the wiring diagram: BENCH/BOOT.

The BENCH mode is used to read data from the original car’s gearbox computer. When performing wiping and personalized functions on, an external second-hand gearbox computer, both BENCH and BOOT modes need to be connected together.

After connecting the wires, click "Read TCU Information".

After successful information reading, click "Read EEPROM data(BENCH)".

If BENCH mode cannot read, select BOOT mode.

After the original vehicle ECU computer data is read, connect the external ECU computer(both BENCH mode and BOOT mode need to be connected at the same time)

Click "Erase".

Click "Personalization" and select "Original Car EEPROM Data Write".

Click OK after successful personalization.

After personalization click "Read TCU information" to see if the ECU has been successfully erased, then install the vehicle for programming and coding.

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OBDSTAR DC706 Repair 2016 Honda Civic Idle Speed by Bench

 It has been confirmed that OBDSTAR DC706 can repair HONDA Civic KEIHIN PGM FITC1782 idle speed successfully.

Maintenance Background:

A 2016 Honda Civic with a 1.5T engine exhibits idle shaking when in D gear. The dashboard shows that the engine speed is about 600–650 rpm. Using a diagnostic tool shows no fault codes for the vehicle, and hardware inspection also reveals no abnormalities. Cleaning the throttle still doesn’t solve the problem.

Solution:

The issue can be perfectly resolved by using the DC706, with its one-click repair function for the 10th generation Civic’s low idle problem.

Tools used:

• OBDSTAR DC706 main unit
• Main cable
• High power stabilized power supply
• OBDSTAR ECU Bench Jumper
• MP001 multifunctional programmer
• HONDA KEIHIN PGM FITC1782

Requirement:

• Make sure the ECM software is updated to V31.42 or above.
• Enable a stable internet connection during the operation.

Operation guide:

Navigate to ECU Flasher > ECM > ECM V31.42.

Search the ECM model-HONDA KEIHIN PGM FITC1782

Click on [Guide] to view detailed connection methods and operation instructions.

Click "Start" and select "BENCH" and "MP001"

Check the pinout connection

ECUTOOLA-Pin 712V (16)A-Pin 13GND (4+5)B-Pin 3012V (16)B-Pin 22GND (4+5)A-Pin 36CAN L (14)A-Pin 37CAN H (6)

Connect MP001 Programmer to the Honda ECM using the Bench Jumper as per the diagram

Connect OBDSTAR MP001 Programmer and DC706 ECU Tool via the main cable

Connect the power supply to the main cable

After establishing the connection, click [Start] select Bench mode, and choose the MP001 adapter.

Start the connect ECU, read and write INT flash (TC1782)

When writing INT flash, it needs to verify the data.

Finally, repair the idle speed, adjust the idle speed to around 800 RPM

All are OK!

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How to Solve Yanhua Module 31 Error "System status: Normal, need upgraded"

 Customer problem: When I used Yanhua ACDP2 with Module 31 to write coding on my 2015 X5 xDrive 30d BDC via OBD, a prompt appeared on the screen "System status: Normal, need upgraded". What can I do?

OBDExpress.co.uk engineer replied:

The version is low and needs to be restored.

Please operate as follows:
Select BMW>> FEM/BDC>> Restore
Complete the steps below:
Step 1: Backup coding data
Step 2: Program the FEM/BDC system
Step 3: Write coding data
Then use other tools to set coding.
(If the chassis is F15, you can use Autel MaxiPRO MP808S)

Tech support:

1. Email: sales@OBDexpress.co.uk
2. Skype: obd2express.co.uk
3. WhatsApp: +86 18750906257

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