Keydiy ZB15 vs DZ ZB15 Smart Key

What’s the difference between new Keydiy DZ ZB15-3/ZB15-4 and the ZB15-3 smart remote that is available now?

1. They have different key shell types. The regular ZB15-3 comes with a key shell in default. The DZ ZB15 does not come with a key shell.

2. The DZ ZB15-4 also has a panic button.

3. ZB15-3 is non-OEM solution key. DZ ZB15-3/4 is OEM solution smart remote.

4. The new DZ-ZB15 series features an upgraded hardware architecture. Compared to the previous version, it offers enhanced signal stability and is specifically optimized for Volkswagen 5C and MQB48 protocols to ensure a more seamless matching process.

2026 Audi MQB49 5D Read Key OK Learn Key Failed?

Recently, some customers reported the Xhorse VVDI Key Tool Plus , Keydiy or KYDZ devices can read the original key data from the latest MQB49 5D system on the 2016 Audi A6 or Q5, they are unable to learn key in car even have SFD2 gateway unlocked. The system shows a communication error (control unit cannot be connected) when trying to learn the key. They have tried Xhorse, Autel, Lonsdor and Yanhua ACDP devices, but none of them can complete the key learning process.

Here is the clue.

The latest Audi 5D key fob features ultrasonic sealing, making it extremely difficult to disassemble.

A few customers have tried using the KeyDIY KD-X4 and were able to learn the key in car. SFD2 needs to be unlocked. If the original key comes with UWB functionality, the learned key will not have UWB functionality.

The high configuration new Audi 5D key incorporates MAC address verification for the UWB chip. The three chips on the key board are equipped with UWB functionality.
This is a “long-code” digital key; currently, it cannot be emulated by third-party keys.

For the 2026 Audi A6 / Q5 with this new type of 5D smart key, better do not add a new key by reading the original key data. Doing so may result in the original key also becoming non-functional.

Solution: Order OEM key from dealer and program by ODIS.

Keydiy VAG MQB49 5C 5D Key List

 

One of the biggest challenges when working with modern vehicles is identifying the exact remote type—whether it’s a flip key, a smart key, an older model, or a newer generation. Getting it wrong can waste time and create unnecessary complications.

With KeyDIY (KD) devices, however, that distinction is no longer necessary when programming 5C and 5D keys.

 

Key Advantage: No Manual Pre-Generation

Unlike many other programming devices, KD equipment does not require the technician to pre-select or pre-generate a program before reading the key. During both the key reading process and dealer key generation, the KD device automatically matches the appropriate program in the background. This seamless process means the technician can focus on the job without having to manually identify the remote type.

Supported 5C Types (including all ZB remotes)

The KD platform fully supports the following 5C remote types:

• ZB17-3 

• ZB71-4 (Amber Yellow)

• DZ-ZB15-3 

• DZ-ZB15-4

Supported 5D Types (specified FGB remotes)

For 5D keys, KD supports the following FGB remote models:

• FGB08

• FGB25

Bottom Line

Whether you are dealing with an older 5C remote or a newer 5D FGB model, the KD device eliminates guesswork. Automatic program matching simplifies the workflow, reduces errors, and saves valuable time on each job.

 

VW Jetta MQB49 5C Stuck in Key Learning Mode Solution

Problem:

It is a 2021 VW Jetta Mexico all keys lost.
Tried to use Keydiy KD-X4 and Yanhua ACDP2 to do AKL for this MQB 49 5C car by using dealer key to collect data then learn to car. Ordered key from dealer precoded. Sync data and immo already all in the key.

It will learn the keys, it will not start no matter what! It just says “1-1” out of photos like it’s stuck in learning mode. No SFD, and no I didn’t try to pull coil to do it, it detects key fine. I had the car being power boosted as well. Any solution?

Solution:

Remove negative 10 minutes open bonnet start programming again.

 

 

User feedback:

Update: FIXED AFTER DISONNECTING BATTERY FOR 10 mins negative then programming key.

I disconnected negative for 10 mins reconnected the learned now we good!

Keydiy KD-X4 Program 2021- Ford BCM Key without PIN

Keydiy KD-X4 key programmer will release new Ford Immobilizer software soon- supports 2021+ Ford key programming by reading BCM module data. Keep an eye on the software upgrades.

 

Here is an example of adding a spare key on a 2022 Ford Mustang Mach-E using KD-X4. Keydiy will do both add key and all keys lost. All keys lost share the same procedure.

The same procedure goes to 2021- Ford F-150, Focus, Bronco, Mondeo, EVOS etc.

BCM: R7F701053 or R7F701073

This function requires removing BCM module and back up immo data first.

The BCM is located on the passenger side of the vehicle.

Remove the BCM module.

Connect the BCM and the KD-X4 MCU cable according to the wiring diagram.

Connect Keydiy KD-X4 with tablet or phone via OTG connector.

Go to IMMO Programming function.
Select KD-X4 device- Programmer function.
Select Read file function.
Choose Ford- BCM R7F701053 or R7F701073

Read and save BCM data.

Reinstall BCM module back to vehicle and add key in car.

Select IMMO Programming- Ford- select by type- Keyless System- Type 35- Add key or All keys lost.

Follow KD-X4 App prompts to add a spare key.

Autotuner Update GM Opel DCM3.7AP ECU via OBD

Delphi DCM3.7AP (GM / Opel): Live via 100% OBD! 
Flash GM group vehicles directly through the diagnostic port with your AutoTuner Tool!

Coverage: 

• Chevrolet Captiva, Cruze, Malibu, Orlando (VCDI) 
• Opel Antara (2.2 CDTI) 
• GWM Hover 5 (2.0 VGT)

Method: 100% OBD (Normal Read). Plug in, read, write. The perfect and fast solution to tune these daily drivers! 

Key Features: 
Type: Engine Control Unit (ECU)
Mode: OBD NR
Readout: Calibration
MCU: SH72513
Read time: 7min
Write time: 1min30s
Checksums correction

Compatibility List*: 
Chevrolet Models: Captiva (2006) / Cruze (2009) / Malibu (2013) / Orlando (2011) 
Chevrolet Engines: 2.0 VCDI / 2.2 VCDI 
GWM Model: Hover 5 (2013) 
GWM Engine: 2.0 VGT 
Opel Model: Antara (2006) 
Opel Engine: 2.2 CDTI

 

Free Download EoneBoss NK001 App

EoneBoss released a new NK001 smart key tool for NXP smart key cloning. Where to download the NK001 mobile App? How to copy smart key with NK001?

Scan the QR code below to download App from Google Play (for Android system), App Store (for iOS system) or download the Apk file directly.

App version: 2.7.4 (April 2026)

App language: English/Chinese

Download and install App. Select NK001 device.

Choose Smart Key Copy function.

With the identified original smart key information into an original or 3rd party key. It can be used directly without programming in car.
NOTE: NCF29AG is not supported. The remote control function may conflict with the original car key and some 3rd-party keys may have incorrect button functions.

What key can be used to copy?

• Eoneboss smart keys
• original smart key
• other 3rd party smart keys.

NOTE: If you are not using the EONEBOSS smart keys, the daily copying limit is 5 times. If you use EoneBoss’s keys, there is no daily limit on copying.

NK001 can copy 70%-80% NCF29Ax series smart keys. Key list is too long. Better provide year and model to us to verify.

This is an advantage over Keydiy and CG devices. With KD, the original key data must be written into a specific ZB71 remote key. Eoneboss, on the other hand, provides greater flexibility when choosing new keys.

 

How to Copy NXP smart key with EoneBoss NK001?

EoneBoss NK001 App will show the key wiring diagram.

Connect the key according to the diagram based on the chip on the smart key.

*EoneBoss will release solder-free adapters soon.

After solder wires on original key, hit Next step to read and save key data.

Disconnect original key.

Solder wires on the new smart key to be copied.

Then write original data to the new smart key.

Keydiy KD-X4 Add 2025 VW Jetta MQB49 5C Key

New user report:

Add a spare key for 2025 Volkswagen Jetta. It was a twist start.
KeyDIY KD-X4 failed to disable SFD2 via internal service.
SFD2 successfully disabled via online GRP access in:
* Electronic Central Electric (0009)
* Instrument Cluster (0017)
* Data Bus OBD Interface (0019)
Key programmed successfully with full system access during session.

I could program a Keydiy generated remote even though the ID matches their server database.