GM J2534 ECU Reading & Writing — Setup and Recovery Support 0.02

Use this thread for J2534 connection, ECU detection, FLASH or EEPROM read-size questions and recovery planning. Include the controller family, label or service number, interface model, connection method and exact non-sensitive error text; do not post a customer VIN or full security data.

The detailed controller notes, power requirements, workflow and verified package are available here:

Hello, could you help me with the key, post creator?

GRACIAS BUEN APORTE