Solved: MB PRO M6+ Initialization of Diagnosis Multiplexer Failed

 When using SUPER MB PRO M6+ PRO, the computer shows ‘Connected’ in the bottom-right corner, but the following error occurs during vehicle diagnosis: "Initialization of diagnosis multiplexer failed."

Possible causes:

The link between the diagnosis multiplexer and the diagnostic socket is interrupted.

The link between the diagnosis multiplexer and the diagnostic unit is interrupted.

The voltage supply at the diagnostic socket(circuit 30 and (or) circuit 31) is faulty.

Note:

When using SDconnect, check the connection status using the Toolkit."

Solution

This indicates abnormal software communication in MB PRO M6+.

• Please check whether the IP settings for the communication USB port or Ethernet port are correct. Refer to the user manual for configuration instructions.
• Additionally, verify that the computer firewall is disabled. The method to disable the firewal is shown in the figure below.

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AutoTuner vs. Alientech KESS V3 ECU Programmer

 What is the difference between AuroTuner and Alientech Kess V3?

Both AutoTuner and Alientech KESS3 are popular ECU programming tools used by professionals for reading, writing, and tuning vehicle ECUs.

AutoTuner ECU Programmer:

It is a high-performance ECU programmer supporting OBD, Bench, and Boot (BSL) modes. It features ultra-fast reading/writing, a user-friendly interface, and automatic checksum correction. With a one-time payment, free lifetime updates (No Subscription), and a 5-year warranty, it provides a cost-effective and reliable solution for tuning and diagnostics across a wide range of ECUs and gearboxes.

Its growing popularity is largely due to its ability to handle newer vehicles, particularly BMW and Mercedes models, via OBD — a capability that older tools initially struggled to achieve.

Alientech KESS3 ECU Programmer:

The Alientech KESS3 is the latest flagship ECU remapping tool from Alientech, an Italian company with over 30 years of expertise in vehicle tuning. As the successor to the popular KESSv2 and K-TAG, KESS3 integrates OBD, Bench, and Boot mode tuning into a single, versatile device. Designed for flexibility, performance, and ease of use, it caters to both beginners and experienced professionals, making it a powerful all-in-one solution for ECU programming.

Ease of Use & Speed

AutoTuner:

• Known for fast read/write speeds (one of the fastest in the market).
• Simple, intuitive software interface
• Automatic checksum correction

KESS3:

• Newer interface compared to previous KESS2 models
• Offers both OBD, Bench, and Boot modes (combining features of KESSv2 and KTAG).
• Slower than AutoTuner in some cases but still efficient

Coverage & Vehicle Support

AutoTuner:

• Strong support for European vehicles (BMW, VAG, Mercedes, Peugeot, Renault, etc.)
• Less coverage for some Asian or American models

KESS3:

• Wider vehicle coverage (cars, bikes, trucks, marine, and tractors)
• More support for older ECUs compared to AutoTuner

Connection Modes

AutoTuner:

• Supports OBD, Bench, and Boot modes (automatic mode switching)
• Stronger focus on Bench and Boot operations

KESS V3:

• Also supports OBD, Bench, and Boot modes.
• Offers more flexibility with older ECUs in Boot mode

Pricing & Subscription Model

AutoTuner:

• One-time purchase, no annual subscription
• Free updates

KESS3:

• Requires an annual subscription for updates and protocols
• Different activation packages (OBD, Bench, Boot) available separately

1. Additional Features

AutoTuner:

• Automatic ECU recognition
• Regular free updates
• Limited DTC removal features

KESS3:

• Supports DTC removal, cloning, and advanced tuning options
• More extensive database of supported ECUs

Which One Should You Choose?

Choose AutoTuner if:

• You need faster ECU reading/writing speeds.
• You prefer one-time payment without yearly fees.
• Your focus is mostly on European vehicles.

Choose KESS3 if:

• You need broader vehicle coverage (cars, bikes, marine, tractors).
• You work with older ECUs that require Boot mode.
• You need advanced DTC removal and tuning options.

Both tools are excellent, and your choice depends on your business needs.

AutoTuner ECU Programmer Master Version:

https://www.obdexpress.co.uk/wholesale/autotuner-ecu-programmer-master-version.html

AutoTuner ECU Programmer Slave Version:

https://www.obdexpress.co.uk/wholesale/autotuner-ecu-tool-slave-version.html

ALIENTECH KESS3:

https://www.obdexpress.co.uk/wholesale/kess-v3-ecu-programmer.html

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2M2 TANK 2 Pro Cut Ford Jaguar FO21 TIBBE Key Tutorial

 This is a tutorial on how to cut Ford/ Jaguar FO21 TIBBE key with 2M2 TANK 2 Pro Key Cutting Machine. The FO21 TIBBE key decoding process is also included.

How to Decode FO21 TIBBE Key Code?

• Start from the 1st one. If you feel that is small gap, please click and go to another gap. Click one time, the code is 2.
• The 2nd position is the same. If you feel that is minor wing, click and go to another gap. It’s still minor swing, go on clicking again. Now it’s major swing at a big gap. Here the code is 3.
• The next, we have to decode the 3rd position. If you feel the space is very tight, click and go to another gap. The space is still tight, click again. We found the big gap before clicking 2 times. The code is also 3.
• The 4th space is major swing at a big gap. The code is 1.
• Touch the 5th, if you feel the space is tight, click and go to another gap. Meanwhie the lock is picked. The 5th position, click 1 time, the code is 2.
• The 6th position that can not be moved is 4.

So the full key code is 233124.

How to Cut FO21 TIBBE with 2M2 TANK 2 Pro?

Open 2M2 TANK app.

Input the number and cut the key.

The FO21 Clamp will automatically rotate to cut the key. No operation is required during the process.

After cutting finished, take out the key for a test.

It does work.

Done.

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Solved: Yanhua Mini ACDP 2 Android USB Connection Issue

 Here we’ll provide the solution for Yanhua Mini ACDP 2 Android USB connection issue. When connecting ACDP to an Android phone with USB cable , the USB prompt pop-up window doesn’t appear in the software. As a result, the ACDP can’t be connected for a long time.

At this moment, we need to check the status of the OTG switch on Android phone.

1. Go to "Settings" of Android phone;
2. Enter "OTG" in the search bar, click on "OTG connection";
3. We can see the prompt that "Automatically turns off not used for 10 mins", turn on the OTG swtich;
4. Go back to ACDP software, the USB prompt pop-up window will then appear, click "Close >> OK".

Now the Android phone can be successfully connected to Mini ACDP.

Problem was solved!

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VW MQB48-5A AKL Programming by OBDSTAR G3 and RH850/ V850 Adapter

 OBDSTAR RH850/ V850 Adapter Kit is specially designed for Volkswagen MQB48–5A, Ford/ Lincoln 2021+, Nissan/ Renault, and FCA Key Programming, IMMO data/ Pincode read (dashboard, BCM, ELV, etc), and airbag reset. It needs to work with OBDSTAR X300 Classic G3 key programmer.

OBDSTAR RH850 Adapter Key Features & Functions:

Volkswagen MQB48–5A Key Programming (No Component Removal Required)

(MQB49–5C support under development)

Supports various dashboard models, including D70F3529:

• Reads and decrypts IMMO data (VIN, CS, power class, key CRC).
• Calculates BLADE AKL synchronization codes and supports dashboard, ECM, and TCM data reading/decryption via BENCH/ BOOT.
• Works with ECM & TCM models using dedicated cables (e.g., 2V, EDC17C64, EDC17C74).
• Calculates PROXIMITY AKL synchronization codes from dashboard, ECM, TCM, and ELV IMMO data.
• Reads synchronization codes from a working key and supports Continental VDO dashboard IMMO data reading via OBD.
• Future upgrades will allow TCM & ECM replacement for MQB.
• Compatible with KYDZ MQB-TOOL for key learning (requires a KYDZ dealer key).
• Supports VAG MQB all keys lost without third-party sync data — OBDSTAR G3 generates sync data for blade and proximity keys.

Ford/ Lincoln 2021+ Key Programming (Includes all keys lost solutions)

Nissan/ Renault Key Programming (Includes all keys lost solutions)

FCA Key Programming (Upcoming upgrade)

Airbag Reset

OBDSTAR RH850/V850 Adapter Support List:

1. Volkswagen MQB48–5A key programming

2.Ford/Lincoln 2021-Key Programming (including AKL)

3.Nissan/Renault Key Programming (including AKL)

4.FCA key Programming (upcoming upgrade)

5.Airbag Reset

OBDSTAR RH850/V850 Adapter Full Kit contains the following goods (only US$69):

• 1pc x C4–06 Adapter
• 1pc x W010 Cable
• 1pc x W010A Adapter
• 1pc x C4–06-C01 Adapter
• 1pc x C4–06-C02 Adapter
• 5sets x dedicated decryption jumper

Other accessories need to be used with OBDSTAR MP001 Multi-functional Programmer:

The OBDSTAR RH850 Adapter can be pre-ordered now! It will be in stock in mid-April.

https://www.obdexpress.co.uk/wholesale/obdstar-mqb-rh850-v850-adapter.html

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Solved: Lonsdor K518 Pro IMMO & Remote Function No Display

 Question: Why my Lonsdor K518 Pro Key Programmer does not have the Immo & Remote function opiton? What’s the problem? Please help.

Solution

Please follow the steps below to update K518 device:

Settings >> Firmware Upgrade >> Force update

Then the problem will be solved.

Technical Support

Email: sales@OBDexpress.co.uk
Skype: obd2express.co.uk
WhatsApp: +44 7418609676
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Yanhua ACDP Correct Benz A247 W177 A-Class HU6 Cluster Mileage

 YANHUA MB HU6-R7F71403-B Interface Board New Arrivals!

It’s specially designed to work with Yanhua ACDP 1/ ACDP 2 and Module 37 for Mercedes-Benz A247 W177 A-class HU6 instrument mileage correction.

PART I

MB HU6-R7F71403-B Interface Board vs. Benz HU6- R7F71403 Interface Board

1.Similarities:

Both need to work with Yanhua Mini ACDP/ Mini ACDP-2 with Module 37.

Both are compatible with Yanhua MB HU6 YH-OBD Platform to reset mileage on bench, no need to install the original HU6 module on the car and operate via OBD on car.

2.Differences:

Yanhua Benz HU6- R7F71403 Interface Board comes with the Yanhua Module 37 package, and supports mileage correction for the MB HU6 instrument module (A167/A213/A247) with chip model R7F701403.

Supported vehicle models:

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

Yanhua ACDP MB HU6-R7F71403-B Interface Board supports mileage correction for Mercedes-Benz A247 W177 A-class HU6 instrument module.

PART II

How to use Yanhua MB HU6-R7F71403-B Interface Board?

1.Mini ACDP menu path

Benz>> HU6 ODO Module (IC77) mileage correction>> R7F71403 (A167/A213/A247)>> BENZ-HU6-B interface board (W177 A class)>> OBD+ ICP reset mileage>> Original module (YH platform)

Step 1: OBD Backup Data

Step 2: ICP Modify Data

Step 3: OBD Modify Mileage

1. Connection Method

• Unlock the interface board: Push the latch to the unlock position and identify the correct installation area using the positioning pins.
• Locate positioning holes: Find the correct D1 — D5 positioning holes on the instrument panel.
• Verify test point pin definition: Ensure proper alignment.
• Align and secure the interface board: Position it with the probe holes on the odometer board.
• Lock the interface board: Press down firmly, then push the PCB lock buckle to secure the installation.

YANHUA Mini ACDP MB HU6 R7F71403-B Interface Board is available now.

https://www.obdexpress.co.uk/wholesale/yanhua-mb-hu6-r7f71403-b-interface-board.html

Read also:

YANHUA ACDP Module 37: MB HU6 IC177 Mileage Correction

http://blog.obdexpress.co.uk/2025/01/16/yanhua-acdp-module-37-mb-hu6-ic177-mileage-correction/

How to Reset MB HU6 (IC177) ODO Module Mileage by Yanhua ACDP2 on Bench?

http://blog.obdexpress.co.uk/2025/02/14/how-to-reset-mb-hu6-ic77-odo-module-mileage-by-adcp2/