For most VAG-based ME7.1.1 units (e.g., 29F800 or ST10F275 variants), use the following standard pin assignments: Connect to Pins 3, 21, and 62 . Ground (GND): Connect to Pin 1 (common ground). K-Line (Diagnostics): Connect to Pin 43 . CAN High: Pin 58 . CAN Low: Pin 60 . Communication Protocols and Universal Harnesses

Entering is critical for full EEPROM or Flash reading when the standard OBD port is blocked. For ME7.1.1, this typically involves grounding a specific "boot pin" on the internal circuit board.

The Bosch ME7.1.1 is a highly sophisticated Engine Control Unit (ECU) primarily found in VAG group vehicles (Volkswagen, Audi, Porsche) and some high-end luxury models like Bentley. Understanding the pinout is essential for bench flashing, diagnostic troubleshooting, and custom tuning. Overview of Bosch ME7.1.1 Pinout