DTC P0602: Control Module Not PROGRAMED: Description

Powertrain Control Module (PCM) uses an Electrically Erasable Programmable Read Only Memory (EEPROM) to store software and calibration information. EEPROM is not replaceable, PCM must be replaced. Replacement PCM does not contain final program information. Replacement PCM must be programed. If replacement PCM is not programmed, Diagnostic Trouble Code (DTC) P0602 will set.