1.1 This guide sets forth recommendations for the collection of non-volatile memory data from vehicle Electronic Control Units (ECUs), or Event Data Recorders (EDRs), that have allegedly been involved in an event or incident that is the subject of litigation.1.2 The data collection methods used to retrieve data from the subject ECU or EDR include commercially available scan/interrogation/test tools and also include proprietary scan/interrogation/test tools with prior agreement of the p