Yanhua Mini ACDP 2 Volvo(2022-) IMMO Upgrade

Yanhua Mini ACDP 2 has released Volvo(2022-) IMMO upgrade to support reading CEM data and key programming without soldering. Need to work with Module 20 or a new A303 License.

Supported vehicle models:

VOLVO XC40(2022-)

VOLVO XC60(2022-)

VOLVO XC90(2022-)

VOLVO S60(2022-)

VOLVO S90(2022-)

VOLVO V60(2022-)

VOLVO V90(2022-)

Polestar 1 (2020-)

Polestar 2 (2020-)

Features

1. Reading CEM data by ICP mode without soldering.

2. Programming new keys via OBD offline mode.

Operation Steps

Mini ACDP >> Volvo >> IMMO >> Car model

1. OBD detect

Please connect ACDP to the car interface.

2. Read CEM data by ICP

The CEM module is generally located on the main driver's side, under the steering wheel.

3. Add key/ all key lost

4. Add key/ all key lost after deleting all keys

1) Volvo key learning area.

2) Lynk&Co's key learning area.

Note:

1. If you have module 20 already, just need to buy the new A303 license only.

2. For new buyers, you'll need to buy module 20 and a new A303 license.

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Common Problems and Solutions for Yanhua Mini ACDP Connection

This article integrates several common connection issues encountered while using ACDP and their solutions. I hope they are useful to you.

Problem 1: The following error occurs when connecting the ACDP-1 to the phone via WiFi:

Solution: End the process and restart the APP.

Tip: When connecting via WiFi, the network should be kept open and the WiFi name should not be too long. The WiFi name below is too long.

Problem 2: This prompt appears when my ACDP-2 is connected to the computer. How to solve it?

Solution: You are using the ACDP-2 Programmer, so you need to use the ACDP-2 APP instead of ACDP-1.

ACDP-2 Software Download:

http://www.acdpmaster.com/en/download.html

Problem 3: ACDP-2 connection to PC with USB cable fails

Solution: Refer to the post

(Solved) ACDP-2 connection to PC with USB cable failed

To be continued...

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BMW CAS4 Mileage Correction via Yanhua Mini ACDP 2

How to do BMW CAS4 mileage correction with Yanhua Mini ACDP 2? Only 2 steps are needed, read the article to learn the procedure.

Preparations

Mini ACDP & Mini ACDP-2 connection diagrams are shown below.

*Remove the cluster from BMW before resetting the CAS mileage.

Step1. Reset Mileage

Open Mini ACDP APP >> Confirm device is connected >> BMW >> CAS1~4 >> CAS4/CAS4+ >> OBD mode >> IMMO/Mileage >> Reset mileage

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

Please connect ACDP with the vehicle OBD port!

Confirm that the CAS mileage identified is the same as displayed on the cluster.

Save the screenshot and continue.

Note: need to disassemble the dashboard from the car and modify the mileage first, put it back after resetting the CAS4 mileage.

Detect to the ECU does not pre-process, please preprogram first, and press "Continue".

Please back up the coding file.

Pay attention to the path to save the file, and the file name includes the date and time.

Pre-processing ECU, please wait...

Pre-processed ECU system finished.

Resetting mileage, please wait...

Mini ACDP 2 BMW reset mileage finished.

OK >> OK

OBD detect >> OK >> Continue

Confirm that the CAS mileage has been set to 0.

Identify system info finish.

Reset completed.

Return back to BMW programming.

Step2. Mileage Adjustment

M35XX >> Disassemble the instrument, confirm instrument chip: 160DOWT

Follow the diagram to connect: ICP/ OBP method.

160DOWT >> Modify mileage >> OK

Please connect the ACDP device and M35XXX adapter.

The test results are normal.

Save data file >> Check if the mileage read is correct >> Enter the mileage to modify: 50000km

Trying to erase mileage data, please be patient...

Waiting for data to be erased and written.

Program execution completed.

Backup data >> OK >> OK

The test results are normal.

Save data file.

Mileage(km): 50000

Verification of instrument mileage modification is successful.

Install the instrument panel into the car.

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

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Yanhua Mini ACDP 2 Adds BMW CAS3++ Key by OBD

This is a tutorial on how to use Yanhua Mini ACDP 2 to add a BMW CAS3++ key by OBD. Easy in 3 steps, read this article to learn! 

For ICP mode, please read:

Yanhua ACDP Adds BMW CAS3/3+ Smart Remote Key Guide

Connect ACDP-2 BMW and OBD2 port as shown.

Step1. Identity-Info

Mini ACDP >> Confirm the device is connected >> BMW >> CAS1~4 >> CAS3/CAS3+ >> OBD mode >> IMMO >> Identify info

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

Ensure the vehicle has enough battery voltage and turn on the ignition.

The system status display is normal and it needs a downgrade.

Screenshot to save the device info, click OK.

Identify system info finish.

Step2. Downgrade Programming

Downgrade programming >> OK >> Continue >> Confirm the identified info is normal

Detected the system is CAS3++ version, requires downgrade programming to add the key. Programming is risky, it is strongly recommended to backup FLASH and EEPROM by ICP mode before downgrade programming!

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

Prepare to program, and it will take about 10 minutes. Please keep the voltage no lower than 13.0V during the programming. Please try to turn on the ignition, then turn off the ignition and pull out the key, last step on the brake pedal twice. If it is a smart key, please take the key out of the car. Do not turn on the car nor turn on the ignition during programming!

Writing FLASH data, please wait...

Programming CAS finish.

Step3. Add Key

Add key(automatic mode) >> OK >> Continue >> System status is normal and it does not need to downgrade, Continue

Please save CAS data, and click "Continue".

Connect the ACDP with the BAV-key adapter.

Put the work key correctly on the BAV-key adapter.

Continue >> Continue

Select a blank key path: Key 6

Put the blank key correctly on the BAV-key adapter.

Is the current key a smart key? No

Please save CAS data, and click "Continue".

If have a work key, use the work key to open the ignition;

If all key lost, press the START button and press the brake pedal twice.

Writing CAS data...

Add a new key finish.

Check whether the new key functions properly.

Done.

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