This is most commonly required when a tuner wants to use software like EFILive or HP Tuners on a "locked" controller, or when a technician needs to command specific actuators (like a starter relay) while the engine is running for testing purposes.
Q: What are the challenges and limitations of the GM 5 byte seed key? A: The GM 5 byte seed key is not without its challenges and limitations, including key corruption, key cloning, and cybersecurity risks. gm 5 byte seed key