PCMtuner ECU tool has proven to effectively read the EMS 3120 control unit (ECU) of a Renault Logan directly in the car, without the need for a bench module. This process is facilitated effortlessly while the key is engaged due to the immobilizer feature, ensuring a smooth operation without any issues. Witness a hassle-free ECU reading right in the vehicle.

Here are 3 images showing the procedure and the result of using PCMtuner to read the EMS 3120 control unit (ECU) of a Renault Logan:

Question: Which device to use for Complete Micro and EEPROM Renault 3120 (SAK-TC1738) Simens Continental ECU Cloning or Decoding?

PCM Tuner:
Only obd flash is supported with pcmtuner module 22. Obd in car with key. It’s vital that the engine remains cold, and the IMMO should be kept inactive while reading and writing module 22. To clone the EMS 3120, please enter boot mode. Please note that a password is required to access the boot.
Below, find the boot pin specifics for the Renault EMS 3120.