Original CN900 key programmer with CN900 4D Decoder Choose SK188/SK189

Item No. SK104 Out of Stock. History 22 sold.

Buy Now: 531.50
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Valid Time: 1st - 15th Jun

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Email: sales@OBDexpress.co.uk
WhatsApp: +86 18750906257
Skype: obd2express.co.uk
30cm*23cm*11.5cm ( Inch: 11.81*9.06*4.53 )
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Product Description

CN900 key programmer with CN900 4D Decoder is a combination product. It can directly copy 4C and 4D chips without the laptop. Now function is added and can program more keys.

CN900 Auto Key Programmer with CN900 4D Decoder

SK104= SK103+SK94

Update: update online.


4D function does not need open the authorization. You can directly use it when you get this tool.


1) Can directly copy 4C and 4D chips, can copy such as Toyota 4d67.
2) Can update online.
3) Support ID46 chip clone by using 46 Decoder.
4) CN chips can be copied many times.
5) Can recongize locked ID48 and can unlock ID48.
6) CN900 4D decoder: connect directly with CN900 multiplexer, then you can copy 4D chip, no need to connect with the laptop.

How to get the 4D or ID46 function:

1.Update the firmware of CN900 on www.cn900.net.
2.Provide the device ID number to us, and we will activate the 4D or ID46 function for you.
3.After the activation, you go to update the 4D or ID46 function on www.cn900.net.

Main Features

Function 1:
1) Read out the chip code for 11 12 13 33 T5 40 41 42 44 45 46 48 4C 4D 8C and 8E chips. With the detail format for ID 48 and 4D Chips.

2) New identify functions for Toyota "G " chip key (year: 2010) (Chip: 4D-72).
And it will show if the key is the main key or the vice key for Toyota, and later will add new identify function for the Chinese Car.

Function 2:
It can identify Toyota smart key, and read out the data.

Function 3:
It supports on copying the chips (11 12 13 33 T5 41 and 42) and parts of 44 and 45.
Using "FREE " dedicated chips can copy none battery 4C and 4D chips directly.(Remark :cn1(4C),cn2(4D) is the name of special chip)
Later, it will add the function for copying ID 46 chip.

Function 4:
Connecting with Chinese PC software, it can save the read key code data unlimited.

Function 5:
Support on the chip programming: with the inner function of HITAGETI, it can write ID 46 Renault Crypto chips.

Function 6:
Without removing the ECU (Benz W140), it can start the chip.

Function 7:
It can unlock the 48 chips except the crypto lock 48 chips.

Function 8:
Support on the pin code calculating for Hyundai and Kia (before 07 year), by using the Last 6 Codes of VIN Number.

Function 9:
Support on starting the key and calculating the pin code for more than 60 kinds of cars.
Support on programming all kind of Fiat key, such as (11, 13 and 33), These 3 kinds of 48 chips anti-theft way.

Function 10:
It Upgrade to identify HONDA_46 CRV_46/CIVIC_46/ Mitsubishi 46
Ordinary 60 can be programmed to be 66/67/68/71/74

Function 11:
It Upgrade to copy CN1 (4C), CN2 (4D) chip .And size is 6mmX12mmX4mm
Support on the software update, such as adding new function for copying the induction card for Electronic Gate.

Package including:

1pc x CN900 key programmer main unit
1pc x USB Cable
1pc x AC Adapter
1pc x 4D Decoder box
1pc x Serial connect cable
4pcs x CD  SK104

Customer asked questions:

Q: For this CN900 key programmer, do i must need to buy the professional chips to use together with it?
A: No. Ordinary 7935 chip is enough. You can choose item number SA43. Here is the link: http://www.OBDexpress.co.uk/wholesale/pcf7935as-chip-10pcs-per-lot.html

Q: Your this CN900 Key programmer is original? updatable? where? how to update?
A: Yes. Our this CN900 key programmer is original, it is update online. You can download the software on official website to update it.

Q: How to connect the 4D coder with this CN900 programmer.
A: Look at the following photo. Yellow port mark number 1 connects the main power adapter. Blue port mark number 2 connects with the COM port of CN900 key programmer, green port mark number 3 connects the power of CN900 key programmer.

cn900 key programmer 4d decoder

CN900 and 4D decoder connection photo:

CN900 KEY programmer and 4D decoder connection photo

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Shipping and delivery;Attention:
DHL: For MOST non-free shipping goods, default shipping method is DHL. Need 3-7working days on the way after dispatch the goods.
YANWEN Express: 7-14 working days on the way, no need to pay tax for most european counties.
EMS: 6-10 working days on the way. To Russian only send by EMS. For some remote area, if you do not want to pay remote fee, we can send it to you by EMS too.
Aramex: 5-10 working day. To most middle east counries. If you do not like this shipping method, please leave message on your order.
Flat airmail: 7-18 working days on the way. For remote area or holiday, need more time.

If you needs YANWEN express shipping or other shipping method like UPS, TNT, FedEx and so on, or you have special needs for your order, such as declared name and so on, please leave message on the order to notify us. Otherwise we will send the order as our usual practice.
As different country has different import policy, sometimes we will change the shipping method based on the counties and goods.
When you get the parcel, before sign for acceptance, please check the package to make sure the product is correct and no damage.

For any question, please contact us at:



How to Use CN900 CN1 to Copy 4C chip

How to use CN900 to make key for ID46 chip

How to Use the CN900 CN2 to Copy 4D Chip

Tech Service

How to update and open ID46 function for CN900 key programmer
1 How to register and update CN900 key programmer?

Here is the detailed video for update: https://www.youtube.com/embed/gW_CxAs7PgQ
1) Use USB cable to connect the CN900 key programmer to your laptop and power on
2) Click "Connect", and serial number will appear in the lower-left corner (the place which mark 2)
3) Click "Update" button, it will give you the prompt that now machine is the latest version
4) Click "Camera" icon, like number 4.

Genuine CN900 key programmer

After you click camera icon, it will generate the following photo on your desktop. 

After done, Please send serial number and the above photo you generated to sales@OBDexpress.co.uk to open the 46 function. After this ID46 authorization is opened by factory, we will notify you. Once this 46 function authorization is opend, click "Update" button again till update is finished.

Attention, if you do not open the 46 function and update the software, when you use ID46 decoder, it will give you the following prompt: "Decoding function: It must be used in conjunction with 46-Decoder. The CN900 SN must be registered. Contact Dealer for detail."

Genuine CN900 key programmer

2: If you update the CN900 key programmer. Old software will not work on PC. what should you do?

Solution: Uninstall the old software. Download and install CN900-320-NEW-software  (download link: down.OBDexpress.co.uk/CN900-320-NEW-software-PC.zip) on your laptop. Then your CN900 will work normally.
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