DTC P0602-00: Pcm Programming Error: Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0602:00 (PCM, SKYACTIV-G) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	PCM programming error
Detection condition	No configuration data in the PCM.
Fail-safe	Not applicable
Possible cause	Configuration has not been completed PCM connector or terminals malfunction PCM malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable