Tuesday, 16 September 2025

Toyota R7F701441 Mileage Correction with ACDP Module 41

This article provides a step-by-step guide on how to perform mileage correction on a Toyota R7F701441 instrument cluster via OBD/CAN method using the Yanhua ACDP 2 and ACDP Module 41.


Preparation:


As shown in the picture, connect the ACDP device to the vehicle’s OBD interface.

Open the ACDP application and ensure that the ACDP programmer is bound (check the top right corner of the screen).


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Entering the Correction Menu

In the ACDP app, navigate to:


"Module" → "TOYOTA ODO" → "OBD/CAN Reset mileage"

Then, select the instrument model. This demonstration uses the R7F701441 instrument as an example.

Toyota S6J3001 mileage correction can refer to the following article:

http://blog.obd2shop.co.uk/toyota-s6j3001-mileage-correction-with-acdp-module-41/


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Step 1: Identify Info

Connect ACDP to the OBD-II port.

Turn on the ignition — the ODO display must be lit.

Click "Identify Info".

The system will read instrument information. Wait until the process completes.


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Step 2: Reset KM Data

Click "Reset KM data".

The system will attempt to read ODO data.

If an error occurs indicating that programming mode cannot be entered, remove the instrument cluster from the dashboard and proceed with the bench wiring method as described in the ACDP help documentation.

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Step 3: Bench Connection & Data Reset

After connecting the ACDP to the instrument via the bench method, select again:

"R7F701441 ODO" → "Reset KM data"

The system will prompt you to back up the original ODO data. Save the file with a name ending in Orig.bin and note the backup path and time.

Enter the new mileage value.

A warning will appear:

“Programming is about to begin. Do NOT power off or unplug the device!”

Click "Continue" to start the process.

Once completed, the system will confirm: “Reset mileage finish.”


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Step 4: Verify Changes

Click "Identify Info" again to check the instrument information.

The mileage should now be updated successfully.

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Video Tutorial

For a visual demonstration, please watch the video:

https://www.youtube.com/shorts/HdDovtuxZ-I

Notes:

Always back up the original data before programming.

Use anti-static precautions when handling the instrument cluster.

Ensure stable power and connection during writing.

For further support, refer to the ACDP user manual or contact technical support.


www.obd2shop.co.uk


Thursday, 11 September 2025

Toyota S6J3001 Mileage Correction with ACDP Module 41

This article provides a step-by-step guide on how to perform mileage correction on a Toyota S6J3001 instrument cluster using the ACDP and ACDP Module 41.


Preparation:

As shown in the picture, connect the ACDP device to the vehicle’s OBD interface.

Open the ACDP application and ensure that the ACDP programmer is bound (check the top right corner of the screen).


toyota-s6j3001-mileage-correction-with-acdp-module-41-1

Entering the Correction Menu

In the ACDP app, navigate to:

"Module" → "TOYOTA ODO" → "OBD/CAN Reset mileage"


Then, select the instrument model. This demonstration uses the S6J3001 instrument as an example.


toyota-s6j3001-mileage-correction-with-acdp-module-41-2

Step 1: Identify Info

Connect ACDP to the OBD-II port.

Turn on the ignition — the ODO display must be lit.

Click "Identify Info".

The system will read instrument information. Wait until the process completes.


toyota-s6j3001-mileage-correction-with-acdp-module-41-3

toyota-s6j3001-mileage-correction-with-acdp-module-41-4


Step 2: Reset KM Data

Click "Reset KM data".

The system will attempt to read ODO data.

If an error occurs indicating that programming mode cannot be entered, remove the instrument cluster from the dashboard and proceed with the bench wiring method as described in the ACDP help documentation.


toyota-s6j3001-mileage-correction-with-acdp-module-41-5

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Step 3: Bench Connection & Data Reset

After connecting the ACDP to the instrument via the bench method, select again:

"S6J3001 ODO" → "Reset KM data"

The system will prompt you to back up the original ODO data. Save the file with a name ending in Orig.bin and note the backup path and time.

Enter the new mileage value.

A warning will appear:

“Programming is about to begin. Do NOT power off or unplug the device!”

Click "Continue" to start the process.

Once completed, the system will confirm: “Reset mileage finish.”


toyota-s6j3001-mileage-correction-with-acdp-module-41-8

toyota-s6j3001-mileage-correction-with-acdp-module-41-9

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Step 4: Verify Changes

Click "Identify Info" again to check the instrument information.

The mileage should now be updated successfully.


toyota-s6j3001-mileage-correction-with-acdp-module-41-11

Video Tutorial

For a visual demonstration, please watch the video:

https://youtu.be/-tOxF4RO_E4


Notes:

Always back up the original data before programming.

Use anti-static precautions when handling the instrument cluster.

Ensure stable power and connection during writing.

For further support, refer to the ACDP user manual or contact technical support.


www.obd2shop.co.uk

Monday, 8 September 2025

Mastering Toyota Cluster Mileage Correction with Yanhua ACDP Module 41

In the field of automotive repair and adjustment, odometer (mileage) correction is a highly specialized task. It’s often required in scenarios such as instrument cluster replacement, ECU swap, or restoring a repaired dashboard. The Yanhua ACDP system, with its modular design and user-friendly interface, has become a trusted solution for professionals worldwide.


Today, let’s take a closer look at ACDP Module 41, which is specifically designed for Toyota clusters using R7F7014xx and S6J3xx chips.


Two Versions Available:

1. Module 41 License (for users who already own Module 35)

If you already have Module 35, you only need to purchase the Module 41 license to unlock mileage correction features. This is a cost-effective solution since you don’t need to buy extra hardware.

2. Full Module 41 Package (standalone)

For new users who don’t own Module 35, the standalone Module 41 is the right choice. It includes the necessary authorization and works independently for Toyota mileage correction.


Supported Chip Types:

Both versions of Module 41 support the following instrument cluster chips:

1. Support Toyota S6J3001 (2019-) encrypted/unencrypted chips instrument mileage correction via OBD/CAN method.

2. Support Toyota R7F701401 (2021-) encrypted/unencrypted chips instrument mileage correction via OBD/CAN method.

3. Support Toyota R7F701441 encrypted chips instrument mileage correction via the OBD/CAN method.

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Supported Vehicle List:

Please note that the car model list below is for reference purposes only. If you have any questions, please feel free to contact us.

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Buying Guide

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Conclusion:

Yanhua ACDP Module 41 is a powerful and flexible tool for Toyota mileage correction, offering options that suit both existing ACDP users and newcomers. Whether you’re maintaining, repairing, or replacing Toyota clusters, this module provides a safe and efficient solution.


www.obd2shop.co.uk

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.

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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.

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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.

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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.

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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.

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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.

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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