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Cheap TMS374 ECU Decoder Programmer

Item No. SE41
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In Stock
Buy it Now (1 pcs):22.99 
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Estimated delivery time: 7-15 working days.See details»
7cm*4.5cm*2.5cm      ( Inch:2.76*1.77*0.98 )
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TMS374 ECU Decoder is a frequency sweeper with 5V square wave output (Duty cycle 50%, effective frequency range from over 10kHz (max 50kHz) to 50Hz) .This tool can be also considered as a MCU version of the software TMS-374 Decoder ECU. The only difference between the two tools is that the MCU version works without a PC.

TMS374 ECU Decoder Programmer


A small tiny2313 MCU is used to generate the pulses instead of the PC RS232 Tx line. The TMS 374 software is in fact a simple frequency sweeper with an effective range from about 2000Hz to about 100Hz. The Tiny sweeper does exactly the same but much more better (bigger range).

After powering the device on - the LED should blink twice. Pressing the button will start the sweep procedure. LED ON - means there are pulses on the output. After reaching the lowest frequency the LED goes off and the mcu stops the generation.

Power the Sweeper and ECU

Connect the GND line to any suitable GND on the ECU
Connect the Data line to the Reset pin on the 27C512 or 28F512
TMS-374 Decoder ECU info
The sweeper should work with the following ECUs:
Renault SIEMENS Fenix 3 and 5
Renault Megane 1400cc 8v
Renault Megane 1600cc 8v
Renault Megane 2000cc 8v
Renault Megane 2000cc 16V
Renault Megane Scenic 1400cc 8v
Renault Megane Scenic 1600cc 8v
Renault Megane Scenic 2000cc 8v
Renault Sefrane 2000cc 16V
Renault Laguna 2000cc 8v
Renault Laguna 2000cc 16v
Renault Espace 2000cc 8v

Renault SAGEM SAFIR 1 and 2
Renault Clio 1200cc 8V
Renault Clio 1400cc 8V
Renault Clio 1600cc 8V
Renault Clio 2000cc 16V Williams
Renault Laguna 1800cc 8V
Renault Laguna 2000cc 8V
Renault Laguna 1800cc 16V
Renault Laguna 2000cc 16V
Renault Twingo 1200cc 8V

Sagem SL96 Psa
Peugeot 306 1400cc 8V
Peugeot 306 1600cc 16V
Peugeot 306 1800 16V
Peugeot Ranch 1400 8V
Citroen Berlingo 1400cc 8V
Citroen Xrara 1400cc 8V
Citroen Xrara 1800cc 16V

Daewoo Matiz 800cc

Hyundai Coupe 1600cc 16V
Hyundai Coupe 2000cc 16V

Kia Rio 1300 16V
Kia Rio 1500 16V

1AP20, 1AP40, 1AP41, 1AP43
1AP80, 1AP81, 1AP83 1AP90
Citroen Berlingo 1800cc 8V
Citroen Saxo 1400cc 8V
Citroen Saxo 1600cc 16V
Citroen Xara 1400cc 8V
Citroen Xara 1800cc 8V
Citroen Xara 2000cc 16V
Citroen ZX 1400cc 8V
Peugeot 106 1400cc 8V
Peugeot 106 1600cc 8V
Peugeot 106 1600cc 16V
Peugeot 206 1100cc 8V
Peugeot 206 1400cc 8V
Peugeot 306 1400cc 8V
Peugeot 306 1600cc 8V
Peugeot 306 1800cc 8V
Peugeot 405 1800cc 8V
Peugeot 406 1800cc 8V
Peugeot Partner 1800 8V

A handy tool to have that will decode an all the above ecu's to a new state without the need of a laptop!

Package List

1pc x TMS374 ECU Decoder


Contact Information

Live Support
 What'sapp: +86-1372-015-9182 QRcode: &

Scan the QRcode, feel free to contact us on your smartphone.



International Buyers – Please Note

a)  Import duties, taxes and charges are not included in the item price or shipping charges. 
Our website don't undertake tax for all customer. These charges are the buyer’s responsibility.
If you very care about TAX,please contact us before you buy,we advise you choose airmail/yanwen.
b)  Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying. 
c)  If your package shipped by Express Delivery, please give us a valid delivery phone number, and also a full and accurate shipping address.
d) Seller ships within 1 day after receiving cleared payment. Please allow additional time if international delivery is subject to customs processing.
About Shippment

Delivery European countries Other countries
Airmail 7-15 working days,almost all countries no tax
For remote area or holiday, need more time.
7-25 working days,almost all countries no tax
DHL/UPS 2-5 working days,almost all countries pay some tax 2-7 days,
almost all countries pay some tax
Yanwen 7-12 working days, no tax for for most european counties Austria, Belgium, Bulgaria, England, Estonia, Finland, France, Germany, Greece, Holland, Ireland, Italy, Luxembourg, Ireland, Portugal, Scotland, Slovakia, Slovenia, Spain, UK, Wales, Denmark, Sweden, Lithuania, Latvia Hungary, Romania, the Czech Republic, Poland No service
EMS 7-15 working days
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.
7-20 working days
Aramex If you do not like this shipping method, please leave message on your order. 4-6 working days
To most middle east counries. 
If you needs YANWEN express shipping or other shipping method.
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.

About Warranty
When customer receive the goods, please make sure to check the product is correct, there is no damage to the product before sign for the package.
If, after receipt completed, any feedback problems case for compensation, it will not be handled.
Broken items: Almost all item has one year warranty.
We also offer free fix to almost item we sold within one year,free repair.Man-made damage need pay.
We not offer warranty on
keys,cables,adapter,online sent software,please notice it.

About technical support online by teamviwer,we only offer free help to our customer ,who order within one year.
Over one year,all need pay depends on what problem it is.

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