The "Pt" in the version string signifies that this build is optimized for point-to-point topology. The handshake timing has been reduced from 1.2 seconds to 0.4 seconds. This makes V2.5.8 ideal for RS-485 networks and CAN bus implementations.
This report covers , a specialized utility software used primarily by automotive technicians to recover anti-theft security codes for car radios. Overview V2.5.8 Pt Geza