As part of OBDII, Mode$02 for the logging or freeze frame data was created. This diagnostic protocol saves data PIDs and information when a code is set. In 1995, freeze frame gave technicians a powerful diagnostic tool that was previously only available on expensive factory tools.
Telematics has created a lot of anxiety and skepticism for shops. Some of it is justified, while some is due to not seeing the opportunity. Telematics is very simple when you view it as a tool to connect the customer to their vehicle and your shop.