Powertrain Control Module (PCM)

A faulty Powertrain Control Module (PCM) will be determined in the diagnostic tables. Before replacing the PCM, a re-programming procedure should not be attempted unless instructed. If the re-programming is unsuccessful a DTC P0602 will set.

An incorrect or malfunctioning EEPROM, which is part of the PCM, will set a DTC P0601. Before replacing the PCM, a re-programming procedure should not be attempted unless instructed. If the re-programming is unsuccessful a DTC P0602 will set.