Monday, 23 June 2025

Yanhua BMW BDC2 Keys Learning Bench Platform: All Keys Lost Solution

The YANHUA Mini ACDP2 with Module 38 can now fully handle BMW BDC2 All Keys Lost scenarios. This advanced solution, combined with the BDC2 Bench Test Platform and LF Smart Key Antenna + Remote Control Receiver, streamlines key programming for BMW vehicles without requiring module reinstallation in the car.


Why choose the BMW BDC2 Platform?

The YANHUA BMW BDC2 Keys Learning Bench Platform is a game-changer for automotive locksmiths and technicians. It simplifies key programming by allowing off-car operations, saving time and effort.


Key Features

1. It contains the BMW BDC2, and all keys have lost authorization (used with module 38).


2. Enables bench learning of BDC2 keys without reinstalling the module in the vehicle.


3. Test the key emergency function to verify ignition capability and successful key learning.


4. Supports connection of smart antennas and a remote control receiver for testing:

1) Key remote control functions;

2) Keyless entry systems.


5. Compatible with BDC2 instrument and DME module connections.


This platform is ideal for professionals seeking efficiency, accuracy, and versatility in BMW key programming.


yanhua-bmw-bdc2-keys-learning-bench-platform-1

Frequently Asked Questions (FAQs)

Q1: Can YANHUA ACDP2 perform All Keys Lost on BMW BDC2?

A: Yes! The YANHUA Mini ACDP2 + Module 38, combined with the BDC2 Bench Platform, fully supports All Keys Lost programming.


Q2: Is the BDC2 Bench Platform compatible with other devices?

A: Yes, it can connect to any device that supports this function.


Q3: How do I read the ISN (Immobilizer Security Number)?

A: You’ll need the Module 3 + B48 Bench Interface Board to read the ISN.


Q4: What if the DME module is locked?

A: The DME module is not locked in general.


Q5: If I have my bench or do this job on the car, do I need this platform?

A: For BMW BDC2 all keys lost, it needs Module 38 and the platform together.


Q6: What's the BDC2 Keys Learning Bench Platform authorization?

It's A504 allows to do BMW BDC2 all keys lost.


ACDP Configuration List (BMW BDC2 Keys Learning Bench Platform)

yanhua-bmw-bdc2-keys-learning-bench-platform-2


Enhance your workflow, save time, and deliver professional results with this must-have BMW key programming solution!


Contact Us

Email: Sales@OBD2shop.co.uk

Whatsapp/Wechat: +86 13983755934

Visit: www.obd2shop.co.uk


Sunday, 15 June 2025

Solved: YANHUA Mini ACDP Module 26 DQ200 Server Connection Error

Problem: When I connected the YANHUA Mini ACDP 2 + Module 26 to DQ200, it failed and prompted me with "Server connection error. Please try again later or contact after-sales service!"


Anything wrong with the connection?

Please help.

solved-yanhua-mini-acdp-module26-dq200-server-connection-error-1

solved-yanhua-mini-acdp-module26-dq200-server-connection-error-2


Solution

This is a problem caused by a connection error. As shown in the following image, the adapter in the red box does not need to be connected. The user can find the correct connection diagram in DQ200 Help.

solved-yanhua-mini-acdp-module26-dq200-server-connection-error-3

solved-yanhua-mini-acdp-module26-dq200-server-connection-error-4

Be sure to refer to the correct steps:

1. Please prepare ACDP, interface board and VAG.

2. Connect the interface board correctly to the VAG interface as shown.

3. Connect the CAN resistor, short the jumper to the "CAN-R" port accroding to the marked position.

4. Connect ACDP, interface board and VAG.

solved-yanhua-mini-acdp-module26-dq200-server-connection-error-5

solved-yanhua-mini-acdp-module26-dq200-server-connection-error-6

www.obd2shop.co.uk


Thursday, 5 June 2025

MB HU7 Instrument Module Mileage Correction Solution

Yanhua Tech introduces ACDP Module 39, designed to support mileage correction for Mercedes-Benz HU7 instrument modules (A206/A223/A177) equipped with chip models R7F7015923 or R7F7015924. This solution is safe and efficient — no soldering is required, significantly reducing the risk of damage.


Module Functions:

Supports mileage correction for MB HU7 instrument modules.

Compatible with chips: R7F7015923 / R7F7015924.


Supported Vehicle Models:

S(W223)/ C(W206/ S206/ V206/ X206)/ AMG (192/ X290)/ A(W177)/ B(W243 W247)/ CLA (C118/ W118)/ CLE(A236 C236)/ EQA (H243)/ EQB(X243)/ EQE(V294)/ EQS(V297)/ GLA(H247)/ GLB(X247)/ GLC(C254/ X254)/ GLE(V167)/ GLS(X167)/ GLS(W257)/ SL(232)


Supported Instrument Modules:

A206

A177

A223

mb-hu7-instrument-module-mileage-correction-solution-1

Connection Method:

mb-hu7-instrument-module-mileage-correction-solution-2

MB HU7 Instrument Module Emulator Guide

(For use with ACDP Module 39)


The MB HU7 emulator allows you to correct the mileage by simulating the relevant communication signals within the instrument module.

mb-hu7-instrument-module-mileage-correction-solution-3

How to Use:

1. Use the ACDP module 39 function to correct the mileage of the Mercedes-Benz HU7 instrument module.

2. Weld the emulator in the HU7 instrument module.


Emulator welding diagram:

mb-hu7-instrument-module-mileage-correction-solution-4

For more information or to purchase, visit:

www.obd2shop.co.uk

Sales@obd2shop.co.uk

Wednesday, 4 June 2025

Yanhua ACDP R7F701401 Interface Board: Toyota ODO Adjustment Easy

If you're looking for a reliable and risk-free way to perform mileage correction on Toyota R7F701401 encrypted chip vehicles, the Yanhua ACDP TOYOTA-B Interface Board is the perfect tool for the job. Designed to work seamlessly with Mini ACDP 2&Module 35, this interface board ensures a hassle-free experience with no soldering required.

yanhua-acdp-r7f701401-interface-board-toyota-odo-adjustment-easy-1

Features:

✅ Supports R7F701401 Encrypted Chip - Specifically designed for Toyota instrument clusters.

✅ Plug-and-Play - No soldering needed, minimizing the risk of damage.

✅ Wide Compatibility - Works with 3 types of Toyota instruments.

✅ Efficient Mileage Adjustment - Quick and accurate mileage correction.


Supported Instrument Types:

This interface board is compatible with 3 instrument types of Toyota, including but not limited to the locked R7F701401 chip.

yanhua-acdp-r7f701401-interface-board-toyota-odo-adjustment-easy-2

Why Choose This Interface Board?

User-Friendly - No technical expertise required; simply connect and proceed.

Time-Saving - Eliminates the need for complex wiring or chip removal.

Safe & Reliable - Reduces the risk of damaging sensitive components.

yanhua-acdp-r7f701401-interface-board-toyota-odo-adjustment-easy-3

Ideal For:

Automotive technicians

Mileage correction specialists

Toyota repair shops


Upgrade your toolkit with the R7F701401-TOYOTA-B Interface Board and experience a faster, safer, and more efficient way to adjust mileage on Toyota vehicles.


Get yours today and simplify your workflow!


www.obd2shop.co.uk

Monday, 12 May 2025

ACDP Module 38 BDC2-ICP Interface Board Installation and Disassembly

This guide provides step-by-step instructions for installing and disassembling the Yanhua Mini ACDP Module 38 BDC2-ICP interface board.


Installation of the BDC2-ICP Interface Board


1. Unlock the Interface Board

Push the lock on the interface board to the "Unlock" position.


2. Position the Interface Board

Based on the location column of the interface board, determine its corresponding installation area on the BDC2 module.

acdp-bdc2-icp-interface-board-installation-1

3. Align the Board

Align the location column of the interface board with the positioning holes on the BDC2 module.

acdp-bdc2-icp-interface-board-installation-2

4. Secure the Interface Board

Press the interface board downward firmly.

Slide the PCB lock buckle to the "Lock" position to secure the board.

acdp-bdc2-icp-interface-board-installation-3

Disassembly of the BDC2-ICP Interface Board

1. Unlock the Board

Slide the PCB lock buckle to the "Unlock" position to release the locked state.


2. Remove the Interface Board

Place your hand in the CON area and apply an even upward force to remove the interface board.

acdp-bdc2-icp-interface-board-installation-4

Follow the steps carefully to avoid damage to the board or module. For more details, please refer to the video:


www.obd2shop.co.uk


Wednesday, 23 April 2025

Yanhua ACDP BMW Versions 082/083/085 Mileage Reset for BDC

This is a tutorial on how to do a BMW Version 082/083/085 Mileage Reset for BDC with YANHUA Mini ACDP 2 + Module 31 and Module 2.


The operation process is as follows:

1. Use the module 32 modification function to downgrade versions such as 082, 083, and 085 to version 081.

2. Remove the BDC for pre-treatment and mileage reset.

3. Then use the module 2 restore function to upgrade it back to the original version.

In this article, we're taking version 085 as an example.


As shown in the figure, connect the ACDP to the vehicle's OBDII port using an OBD extension cable or a DoIP adapter.

Turn on the car ignition to light up the instrument panel.


Step1. Downgrade Versions

Open Mini ACDP APP.

BMW >> FEM/BDC >> IMMO/Mileage >> BDC OBD(F Chassis) >> Detect vehicle info

Please use the ACDP standard power adapter (voltage+ 12V, current >=2.5A).

Connect ACDP with the vehicle OBDII port!

Please save the vehicle system data.


Check the mileage number and the system version info.

Here's taking 085.011.120 as an example.

Take a screenshot to save the vehicle info for subsequent restoration.

yanhua-acdp-bmw-082-083-085-mileage-reset-for-bdc-1

yanhua-acdp-bmw-082-083-085-mileage-reset-for-bdc-2

yanhua-acdp-bmw-082-083-085-mileage-reset-for-bdc-3

Restore >> Backup coding data >> OK

Please connect the ACDP device with FEM/BDC system accroding to the diagram in the help document.

Check the vehicle info, and click Continue.

Save coding data.

Backup coding data finished.


Program the FEM/BDC system >> DOIP programming/DCAN programming

If you use a DOIP adapter to connect to the OBD2 interface, click Method 1.

If you use an OBD to connect to the OBD2 interface, click Method 2.


OK >> Continue >> Continue >> Select version 081.010.020 >> Continue

About to start getting data from the server, please keep the network open during the process of getting data!


Will start programming FLASH data.

Please keep the voltage no less than 13.0V during programming.

Programming FLASH data is finished.


Write coding data >> OK >> Continue >> Continue >> Select coding data >> Continue

Write coding data and finish.

yanhua-acdp-bmw-082-083-085-mileage-reset-for-bdc-4

yanhua-acdp-bmw-082-083-085-mileage-reset-for-bdc-5

yanhua-acdp-bmw-082-083-085-mileage-reset-for-bdc-6

Step2. Remove BDC & Reset Mileage

Dismantle the BDC module from the vehicle.

IMMO/Mileage >> FEM/BDC(F Chassis) >> Reset mileage >> FEM/BDC initial programming process >> Automatic ICP programming

Connect ACDP to BDC according to the diagram in Help.


OK >> OK >> OK

Backup file succeeded.


Preprocessing the FEM/BDC. The whole preprocessing takes 5-20 minutes. Please wait...

If the APP prompts the device to be abnormal or loses connection, please do not do anything and wait patiently for 20 minutes. The device will automatically complete the remaining operations to ensure the module is normal.


Successful function execution.


Reset mileage >> OK

Make sure:

Finish FEM/BDC initial programming process.

OK >> YES

Reset FEM/BDC mileage succeeded.

yanhua-acdp-bmw-082-083-085-mileage-reset-for-bdc-7

yanhua-acdp-bmw-082-083-085-mileage-reset-for-bdc-8

yanhua-acdp-bmw-082-083-085-mileage-reset-for-bdc-9

Step3. Restore To the Original Version

Restore >> Backup coding data >> OK

Confirm the mileage has been reset to 0.

Continue >> Save coding data

Backup coding data finished.


Program the FEM/BDC system >> Method 2: DCAN programming >> OK >> Continue >> Continue

Since the BDC module version restoration is done on the desktop platform, select Method 2: DCAN programming.


Find the original version and select it >> OK >> Continue

Programming FLASH data is finished.


Write coding data >> OK >> Continue >> Continue >> Select coding data >> Continue

Write coding data and finish.


Process the mileage instrument, after modifying the mileage reading on the instrument, reinstall the BDC and the instrument in the vehicle, and confirm if the mileage has been successfully repaired.

yanhua-acdp-bmw-082-083-085-mileage-reset-for-bdc-10

yanhua-acdp-bmw-082-083-085-mileage-reset-for-bdc-11

www.obd2shop.co.uk

Friday, 28 March 2025

Fixing W177 Frame Misalignment with Yanhua ACDP Module 37

Customer Problem: Hi, I have an issue with the W177 frame. It is mikes off and not correct when using Yanhua ACDP Module 37. You'll see from the Pics that it doesn't line up. All line up apart from that one circled.

fixing-w177-frame-misalignment-with-acdp-module-37-1

fixing-w177-frame-misalignment-with-acdp-module-37-2

Salutation: You only need to purchase the HU6-R7F71403-B board.

fixing-w177-frame-misalignment-with-acdp-module-37-3

fixing-w177-frame-misalignment-with-acdp-module-37-4

www.obd2shop.co.uk