Can I permanently damage my PCM using EFILive?
Nothing is 100% safe. The Personal version has been designed to minimize the risk to your PCM. We currently know of nothing in the Personal version that can cause permanent damage to your PCM. The Commercial and Workshop versions have features (not available in the Personal version) that, if used incorrectly, can render your PCM inoperable. However, such occurrences are rare and usually only occur due to faulty equipment or an interrupted power supply.