Typically a 95320 chip. This stores the Immobilizer (Immo) data and coding. Microprocessor: ST10F275.
This guide provides a comprehensive breakdown of the connector pinouts, power requirements, and communication lines needed for bench work. ECU Overview me7.4.5 pinout
Always use a stabilized 12V-14V power supply. Voltage drops during writing can result in a dead ECU. Typically a 95320 chip
