DTC U0300: PGM-FI System and A/T System Program Version Mismatch: General Description

An internal version check of the communication data set is done during communication between the FI CPU and the A/T CPU. When the FI CPU or the A/T CPU is rewritten at the powertrain control module (PCM), and the internal communication data version is that rewritten does not match, a malfunction is detected and a DTC is stored.