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.

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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.

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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.

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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.

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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.

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

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Wednesday, 26 March 2025

Fix Android Phone USB Connection Failure with ACDP2

If you are experiencing issues connecting your Android phone to the ACDP2 host using a USB cable and the USB prompt pop-up window does not appear, follow the steps below to resolve the issue.


Step-by-Step Solution

1. Connect the ACDP2 Host to Your Android Phone

Connect the ACDP2 host to your phone using a compatible Android USB cable.

Open the ACDP software on your device.


2. Check for the USB Prompt Pop-Up

If the USB prompt pop-up window does not appear, the ACDP host may not be recognized by your phone.

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3. Enable OTG Connection

Go to your phone’s Settings.

In the search bar, type "OTG" and select the OTG connection.

You will see a message: "Automatically turns off if not used for 10 minutes."

Turn on the OTG switch.

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4. Return to ACDP Software

After enabling OTG, switch back to the ACDP software.

The USB prompt pop-up window should now appear.

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5. Confirm the Connection

Click "Close" on the pop-up window.

Then click "OK" to finalize the connection.

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Once these steps are completed, your Android phone should successfully connect to the ACDP2 host.


Article source: http://blog.obd2shop.co.uk/fix-android-phone-usb-connection-failure-with-acdp2/


Thursday, 6 March 2025

Yanhua ACDP BMW G Series ID8 Special Filter for ODO Correction

New arrival!!! Yanhua BMW ID8 Special Filter supports G Series ID8 odometer such as BMW 3/4/5/7/X5/X6/X7/XM. Need to work with Yanhua Mini ACDP 2&YH35XX Programmer + Simulator.

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How to connect BMW ID8 Special Filter?

The filter does not require soldering; you only need to plug in the car Odometer plug and socket. The installation is simple, safe, and reliable.


1. Modify the 35128WT/35160WT simulator with YH35XX Programmer.

2. Soldering the simulator into the instrument module.

3. Insert the ID8 Special Filter into the instrument.


*The operation is the same as the ID7 instrument; no need to open the screen.

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Wednesday, 26 February 2025

Yanhua VW MQB RF7F01404/1406 Mileage Correction Platform

New arrival! Yanhua VW MQB YH-OBD Platform for RF7F01404/1406 mileage correction is in stock. We need to work together with Mini ACDP 2 + Module 34.

Function

1. Support the VW MQB dashboard to light up and read info independently.

2. Support the VW MQB dashboard chip of RF7F01404/1406 to complete the mileage correction on the MQB YH-OBD platform, there is no need to assemble the dashboard back to the car for OBD operation.

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Connection Diagram

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Read also

Yanhua Mini ACDP Module 34 VW MQB49 1404 5C Mileage Correction


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Sunday, 19 January 2025

Yanhua MiniACDP Module 36: JLR 3rd Gen 8HP Gearbox Clone

This is a tutorial on how to do JLR 3rd Generation 8HP Gearbox Clone with Yanhua MiniACDP-2 + Module 36 on bench.


Power on the MiniACDP-2.


MiniACDP>> JLR >> Gearbox Clone >> 8HP_GEN3(ZF TC275)

Connect ACDP to the device properly according to the diagram.


Click "Identify" after a successful connection.

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

Please connect ACDP with the gearbox.

Verify system info, click OK.

Identify chip info finish.

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Full backup data >> OK >> Continue >> Continue

Reading chip data, please wait...

Please save chip data.

The backup file succeeded.

*Pay attention to the path, date, time, and file name of the file backup.

Backup chip data finish.

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Connect another JLR 3rd generation 8HP gearbox.

Prepare to write the original vehicle data.


Full write data >> OK >> OK

Verify system info, click Continue.

Please select chip data: select the files ending with "Full".


Ready to write chip data, please don't cut the power nor pull out the device during the programming!


Make sure to have backed-up data, there is a risk in writing chip data!

Click Continue.

Writing chip data, please wait...

Writing chip data finish.

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Sunday, 12 January 2025

Yanhua ACDP Module 36 BMW 3rd Generation 8HP Gearbox Clone

This is a tutorial on how to do a BMW 3rd generation 8HP gearbox clone with Yanhua Mini ACDP 2 + Module 36 by bench.


Power on the device, and open the Mini ACDP app.

Confirm the device has been bound.


BMW >> EGS >> 8HP_GEN3 Clone(ZF TC275/TC277)

Connect ACDP to the device properly according to the diagram in "Help".

Click "Identify".

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

Please connect ACDP with the gearbox.

Verify system info, click OK.

Identify chip info finish.


Full backup data >> OK >> Continue >> Continue

Reading chip data, please wait...

Please save chip data.

The backup file succeeded.


Connect another BMW 3rd generation 8HP gearbox, and prepare to write the original vehicle data.


Full write data >> OK >> Continue

Verify system info, click Continue.

Please select chip data 

(According to the date and time, choose the files ending with "Full".)

Don't turn off the power or unplug the device while writing data.

Writing chip data, please wait...

Writing chip data finish.

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