Tag: VVDI Key Tool Plus

Problem:

Tried to add key 2014 Audi A4 BCM2 using Xhorse vvdi key tool plus and new Audi BCM2 solderless adapter. I read the BCM Lock 1 & 2 data, and I have the IMMO data. While writing back the data, a connection failed, and now, of course, the car won’t start. How can I write the data back?

 

 

Solution:
You must write back service file. If you have data1 and data2, calculate service file and write it back. Car will start again.

Here is the option to write service file.

The GT110 is one of a series of test platforms designed by Godiag to emulate the immobilizer systems of VAG (Volkswagen, Audi, Skoda, Seat) vehicles. Specifically, the Godiag GT110 is engineered for Generation 4 immobilizers.

The device itself is a compact box that serves as a surrogate for the car’s dashboard. Its key components include:

• An Ignition Ring (Coil): This acts as the vehicle’s transponder antenna, allowing the platform to read and write to key chips.
• A Transponder Slot: A dedicated place to insert a transponder chip separately if needed.
• Dashboard Connector: A specific cable (referred to as a “Pogo pin” connector) that plugs directly into the vehicle’s instrument cluster.
• Power and Ignition Controls: Buttons to simulate turning the platform’s power on/off and switching the ignition on/off.
• OBD-II and Power Ports: It features a port for a 12V power supply and an OBD-II connector for direct linking to a programmer like the Xhorse VVDI Key Plus or VVDI2.

 

Why Use a Test Platform?
These devices are essentially simulated ignition locks and immobilizer antennae. They allow a technician to:

• Work on the car’s instrument cluster on a bench, away from the vehicle.
• Service customers remotely. A client can ship their instrument cluster and door lock (for blade cutting) to the specialist, who then programs the key and returns everything by mail.
• Test and repair clusters efficiently without repeatedly going to the car.

 

The Primary Use Case: Remote Key Programming

The most significant advantage of the GT110 is the ability to perform key-related jobs remotely. Imagine a customer from 1,000 km away contacts you with a Golf VI and no keys. Instead of turning down the job or traveling, you can provide a solution:

Instruct the customer to remove and ship you two components: the driver’s door lock (to cut a new key blade) and the instrument cluster.

Using the GT110 on your bench, you can connect the customer’s instrument cluster to the platform.

You can then perform a full key-loss procedure—reading the EEPROM, generating a service mode dump, preparing dealer keys, and learning them into the immobilizer—all without the car being present.

Once done, you ship back the instrument cluster and the newly programmed key. The customer reinstalls them, and the car starts.

This capability dramatically expands your service area and makes previously impossible jobs highly feasible.

 

Key Features and Benefits of the GT110

Bench-Top Efficiency: Eliminates the need to constantly run back and forth to the car. All programming and testing are done in the comfort of your workshop.

Remote Business Enablement: Unlocks a new revenue stream by allowing you to service customers nationally or even internationally.

Diagnostic Capabilities: The platform allows you to check the immobilizer status, see how many keys are programmed, and verify if the system recognizes a transponder (the indicator light on the platform behaves like the car’s).

VAG Coverage: While the GT110 covers Gen 4, Godiag offers other platforms (GT11, GT112, GT114) for older generations (2 & 3), allowing a specialist to cover the entire VAG lineup.

 

Demonstrating the Test Platform

We demonstrate the GODIAG GT110 test platform. By connecting the instrument cluster and a power source to the platform, he was able to:

Power on the cluster independently.

Simulate ignition on/off cycles.

Read immobilizer status.

Successfully program additional keys to the cluster entirely on the workbench, proving its utility for remote jobs.

 

 

 

 

 

Problem:

Try to read Range Rover Vogue 2017 KVM with Xhorse vvdi key tool plus and XNDP16 JLR KVM solder free adapter.
Cracking keeps failing – tried force unlock too .

 

 

Possible reason:

1. Bad connection.

2. Wrong MCU choice.

3. Dead MCU. ID is FFFF.

 

Suggestion:

Clean the contact points. It shows chip id: FFFF so need to clean touch points and reattach adapter as for sure some pins do not have connection.

Clean conformal coating off and look closely to make sure that all the pins are correctly placed. It is not getting a good connection.

Check and see if there is a coating over the specific points on the PCB. If there is and it is thick enough, the pins won’t penetrate and you won’t get a reading.

Then try crack a few times.

If still fails to crack after multiple attempts, try test options 72 and 74. Then send us the test result.

 

You can also do this without adapter, go to weld RFA secured, you will see 2 components needs removing, use heat gun, think there’s only 5 wires to solder, more functions- unlock chip, after that go to read.

Problem:

Xhorse VVDI Key Tool Plus failed to read Porsche Macan 2015 BCM 5M48H using the XDNP17 Porsche BCM solder free adapter.

Error cracking failed: check the adapter and module connection. Chip crack Fail. Unknown error.

Any solution?

 

 

Solution:

Here are possible solutions:

1).

Check the jumper. Sometimes, if you put the jumper wrong, you will get this error.

 

2).

Had the same issue 1 time. Gotta clean off the connection points really good. To bare metal. Then make sure you are in the exact holes they are supposed to go into.

3). Try more attempts. If still has crack failed error, do as the key tool plus suggested. Try testing function 72 and 74 and report.

Problem:

Tried to program BMW CAS3 semi-smart keys, the Remote start the car by inserting it into the slot but failed to lock and unlock with the remote, however the car frequency & my added remote frequency are the same!!! Xhorse VVDI Key Tool Plus gave an error: low power frequency. Any idea?

 

 

Solution:

Difference between FSK and ASK.
There are two types of 315Mhz for BMW CAS remote, 315Mhz(FSK) and 315LP Mhz(ASK), the ASK model mostly use it Japan.

There two types of 315 keys regular and low power the LP ones your tool is saying to use the LP one.
For low power you need FSK.
You need 315 fsk. Ensure proper fcc id or it will not communicate via remote.

Procedure to program BMW EWS4 key with xhorse vvdi key tool and EWS4 adapter:

1). Read eeprom.

2). Make dealer key (pcf7935 or Universal xhorse xt27a super chip transponder generated as vw id33),

Don’t write file back to EWS!!! This system no need to write back.

Put everything back, start the car. Job done.

 

Tips to install the Xhorse EWS4 adapter with key tool plus:

Xhorse adapters for reading dumps are quite reliable if you know how to use them.

Before installing the EWS4 adapter, the contacts should be cleaned several times.
After installing the adapter, you need to read the dump 2–3 times and save it after each read.
Then you compare all the dumps you have read (Xhorse Key Tool Plus has this feature).
If they are identical, you can proceed to create a dealer key and write the generated file back to the EWS.
If you read the dump with errors — which often happens when reading via adapters — and then create a dealer key and write the new dump back, that can permanently damage the EWS.

 

There are two ways to connect the Xhorse EWS4 adapter with key tool plus:

 

Way 1: Connect Key Tool Plus with EWS4 adapter via multi-funtion converter.

 

 

 

Way 2: 

Connect key tool plus with EWS4 adapter via XDNP14 DB15-DB25 EWS4 adapter.

Alternative approach:
The cheapest and most reliable way is often to source a complete EWS and DME from the same vehicle (for example, from a junkyard), install them together, and program new keys.
This avoids the risks of bit errors, incorrect dumps, and complex synchronization with existing modules.
Once installed, the new EWS, DME, and keys will work seamlessly together, resolving the problem without the need to restore corrupted dumps.

In this guide, we’ll walk through the process of performing an add key procedure on a 2015 BMW X3 using the Xhorse VVDI Key Tool Plus. This includes unlocking the CAS4+ module, reading the ISN number, and programming a new dealer key. Proper voltage maintenance and attention to detail are critical for success.

 

Tools and Preparation

• Xhorse VVDI Key Tool Plus (KTP)

• Battery maintainer (recommended voltage: 13V or higher)

• Original key

• New blank key

• Working internet connection (for data transfer)

Important Note: Ensure the vehicle battery voltage remains above 13V during the entire process. Operating at 12V or lower risks failure or module damage.

 

Step-by-Step Procedure

1. Read Vehicle Information

• Connect the Key tool plus to the OBD port.

• Turn on the ignition and scan the vehicle to retrieve the VIN and confirm the CAS4+ system.

• Verify the displayed information before proceeding.

 

 

 

 

 

2. Unlock the CAS4+ Module

• Save the module data file before starting the unlock process.

• Follow the tool prompts to transfer and receive data. This step may take time; avoid interrupting the process.

 

 

 

 

 

 

Tip:

• For stability, perform this step on a bench if possible. If using OBD, ensure a stable power supply and internet connection.

3. Read the ISN Number

• Insert the original working key (if available) into the key reader coil.

• Select the option to read the ISN from the key. The tool will display the ISN number.

• Record the ISN for future reference.

 

 

 

 

Alternative:
If no working key is available, the ISN can also be read from the engine control module (ECM).

4. Prepare and Program the New Dealer Key

• Navigate to the “Prepare Dealer Key” option in the tool.

• Select the key position (e.g., key number 5 if slots 1 and 2 are already taken).

• Choose the appropriate option (with working key or ISN, depending on availability).

• Place the new key near the coil and follow the prompts to program it.

Key Learning:

• Hold the new key close to the coil during programming.

• Confirm the “Learn Successful” message before testing.

 

 

 

5. Test the New Key

• Remove all other keys from the vehicle to avoid interference.

• For the first start, hold the new key near the ignition coil and start the engine.

• Verify that the engine starts and the remote functions (lock/unlock) work properly.

 

Important Tips

1. Voltage Stability: Always use a battery maintainer to keep voltage above 13V. Low voltage can cause failures.

2. Data Transfer: A strong internet connection ensures smooth communication with the server during CAS unlocking.

3. Key Positioning: Proper placement of the key on the coil is critical for successful programming.

4. Backup Data: Save all module data files before making changes for recovery purposes.

www.vvdishop.com

2022- Toyota BZ3 add key and all keys lost cannot be done via OBD. Here is the tip to program key for BZ3 with Xhorse tools.

 

Tools used:

Xhorse VVDI Key Tool Plus

XDNP10 eeprom adapter

Xhorse XM38 smart key 

 

Immo data is stored in the BCM module. We have to remove the BCM module under the dashboard on the driver side.

Be careful when removing the module.

 

 

 

 

 

 

Disassemble the BCM module.

 

 

Locate the eeprom chip 25640.

Desolder the chip and solder it to XDNP10 eeprom adapter.

Go to IMMO Programming- Toyota- Select by vehicle- BZ3- 2022 onwards- Smart key system (46).

Back up eeprom data.

Then write key using Xhorse XM38 smart key.

 

 

 

Program 2022- Toyota BZ3 Smart Key with Xhorse VVDI Key Tool Plus

What’s the difference among Xhorse VVDI Key Tool MIDI, VVDI Key Tool Max Pro and Key Tool Plus?

 

 

 

1. Key Tool Midi has built-in TPMS function with a TPMS adapter. Key tool plus and key tool max pro require an extra TPMS adapter.

2. Immobilizer function:

Key Tool Midi vs Key Tool Max Pro:

VVDI Key Tool MIDI basic function does not support VAG IMMO5, CAS4/FEM/BDC and Benz IMMO functions. But you can pay to update to the full version to unlock these functionalities.

MIDI full does more IMMO functions that Key Tool Max Pro. Key Tool Max Pro only does VAG Gen2/Gen3, CAS1-CAS3 IMMO function. Max pro does not support VAG IMMO4/5/MQB/MLB, BMW CAS4/FEM/BDC immo functions. Key Tool MIDI does. MIDI also does MQB and MLB key with the MQB48 adapter.

 

Key Tool Midi vs Key Tool Plus:

Key Tool MIDI is lighter and smaller than key tool plus.

MIDI full version and key tool plus immobilizer functions are nearly identical except PROG function.

When programming certain vehicles, you may need to read the BCM and ECU data and then complete programming. KEY TOOL PLUS comes with a PROG (programming) feature.

• Read and write EEPROM
• Read and write VW MQB dashboards
• Read and write VW gearbox
• Read and write BMW ECU ISN
• Read and write AUDI BCM2, MB EIS, Jaguar Land Rover RFA, BMW CAS,  Porsche BCM modules, etc.

MIDI only reads 8-foot chip and several CAS and BCM modules. It cannot read other eeprom, ecu, tcu etc. You will need use vvdi prog/multi prog to these modules.

Both devices offer identical IMMO functionality for other common vehicle models.

 

In sum:

In terms of IMMO functionality, Key Tool Plus > Key Tool MIDI > Key Tool Max Pro.