System and method for data storage and diagnostics in a portable communications device interfaced with a telematics unit

摘要

A method of performing vehicle diagnostics including receiving diagnostic information from at least one electronic module of a vehicle at a portable communication device from a telematics unit via a short-range wireless connection, storing the received diagnostic information in a memory in the portable communication device to form a recent-history vehicle database, performing a diagnostic analysis based on the recent-history vehicle database and sending the received diagnostic information from the portable communication device to an external memory to form an historic vehicle database.