It provides precise error codes that pinpoint exact component failures, reducing unnecessary part replacements.
For T2 Macs (2018-2020), you must boot into Recovery (Cmd+R), go to Startup Security Utility, and set: Apple Service Toolkit - 1.5.3 30
Transitions to a decentralized, cloud-hosted architecture using a web browser interface known as the Diagnostic Console (DC) . It provides precise error codes that pinpoint exact