How to Use Xhorse Multi Prog and VVDI2 for MQB49 5C 5D?

Xhorse Multi Prog read VAG MQB49 5C 5D original key data function has been officially released. The VVDI2 MQB49 5C function is currently being debugged. If needed, download and replace the test file.

VVDI2.exe file can be download from here.

A customer asked how to use multiprog with VVDI2 to add MQB 49 5C/5D key. Here are the tips.

 

VVDI2 MQB49 5C/5D function:

Decode immo data
Make dealer key
Identify MQB/5C Remote
Change MQB/5C ID.
Add Key

 

How to use Xhorse Multi Prog+ VVDI2 to add VAG MQB49 5C/4D key?

VVDI2 does not read MQB49 5C/5D key data.

Read original 5C/5D key data with xhorse multi prog.

Then in VVDI2, select Make dealer key function.

Upload original key data read by multiprog to make dealer key.

Then learn keys to vehicle.

 

NOTE: SFD unlock fonction doesn’t present in vvdi2 software. Use other tools to unlock SFD.

Xhorse Multi Prog Read Tesla 1512876-00-E R7F701330A Airbag

Xhorse Multi Prog programmer will read and write Tesla Model 3/Y airbag module 1512876-00-E.

Part number: 1512876-00-E 

MCU: R7F701330A Encrypted

Requires RH850/V850 adapter for multi prog.

Here is the boot mode pinout to Tesla SRS module R7F701330A.

Select Airbag function- Tesla- Tesla SRS (R7F701330A).

It will read Dflash1, Dflash2, Cflash, OPT, Security code and security byte.

NOTE:

Read the instructions carefully.

Device Information:

Manufacturer: Tesla
Name: Tesla SRS Airbag (R7F701330A)
Capacity: 2180Ah (2,195,617 Bytes)
Programming Interface: Serial Port

Important Notes:

Note 1: Please read these precautions and operating steps carefully before proceeding, otherwise the airbag may be damaged!!!

Note 2: This Tesla SRS airbag must not be “fully unlocked” or “directly written to DFLASH2”, otherwise it may cause the airbag to malfunction!

Note 3: “Set IDCODE” has a certain probability of disabling the ID code. If this occurs, please continue following the prompts to complete the process!

Note 4: This menu only provides read/write functions. Please modify and write the data yourself!

 

Operating Steps (Divided into the Following Two Scenarios):

If only erasing DFLASH1 is required, please follow these steps:

Read and back up data from each partition

Click the “Erase DFI Block” button to delete all your blocks, with an erase length of 0x40 (i.e., 4 lines)

If erasing and writing data is required, please follow these steps:

Read and back up data from each partition

Click the “Set IDCODE” button (only needs to be executed once)

After successful setup, the chip can be directly read, written, and erased

 

Example:

Read chip ID

Read Dflash

Decrypting chip.

Erase crash address.

Xhorse VVDI MLB Tool Network Request Timeout Solution

Problem:

I’m having problems with the Xhorse VVDI MLB Tool server; it won’t connect. I’ve tried with several computers, and it does recognize the SW SN. Any ideas?

Solution:

1 – disable antivirus program.
2 – run software as administrator.
3 – share 4G network from mobile phone to test.

Xhorse Key Tool MIDI MQB49 5C 5D Function Not Supported Solution

Problem:

I saw there is a VAG MQB49 5C 5D disassemble key read data function in Xhorse Key Tool MIDI programmer. But it is not working and ask read data with VVDI programmer first. How to make it working?

MIDI does not read MQB49 5C/5D key data yet. Requires xhorse multi prog to read key data, then upload key data to MIDI to write key.

Multi prog MQB49 5C 5D key reading function is under testing.

Test Channel: Help – Test 180

Stay tuned for the upcoming official release.

To read MQB49 5C 5D key data, you are also required to modify the MCU adapter.

PS: If it fails to read key data, connect a 100-ohm resistor in series with CLK.

Xhorse Multi Prog Read BMW BDC2 BDC3 Encrypted Key Data

Xhorse Multi Prog now supports reading original key data for BMW BDC2, BDC3 and LCD encrypted keys.

 

For unencrypted Hungary BDC3 keys, multi prog will read original key data to copy key directly without other devices.

Supports the following BDC3 unencrypted key types.

For encrypted BMW BDC2, BDC3 (with long chip) and LCD display keys, Xhorse multi prog now will read original key data, then upload key data to Key Tool MIDI or Key Tool Plus to copy key.

Multi prog will only read encrypted BDC2 BDC3 keys, it cannot write key diretcly.

To read encrypted BDC2 BDC3 keys with multi-prog, you also need to modify the MCU adapter.

Xhorse Multi Prog pinout to BMW BDC2/BDC3/LCD keys:

 

Xhorse Multi Prog MCU Adapter Pinout and Modification

Problem:

I want to read a 9s12hxz512 MCU and it shows this Xhorse multi prog software, do I have to modify the adapter?

How to modify Xhorse multiprog MCU adapter?

MCU adapter before modification

continuity for the cables to the labels

1: VDD
2: GND Short
3: GND Long
4: VPP
5: VCC
6: DC -PWR

 

Add these two black wires (GND short and GND long).

Feedback:

I read the mcu with this adapter after modification.

Xhorse VVDI Key Tool Plus Add Audi A6 2019 MLB Key

User report:

Audi 2019 a6 c8 mlb add key with xhorse vvdi key tool plus all successful.

Dismantle key, read key data with VVDI MLB tool.
Make dealer key and learn key back to car with key tool plus.

Using OEM solution MLB key.
Done takes about hour tops.