DTC P0602; Pcm Programming Error: Notes

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION & POSSIBLE CAUSE

DTC P0602:00	PCM programming error
DETECTION CONDITION	No configuration data in the PCM. Diagnostic support note This is a continuous monitor (CCM). The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle. FREEZE FRAME DATA (Mode 2)/Snapshot data is available. DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	Not applicable
POSSIBLE CAUSE	Configuration has not been completed PCM connector or terminals malfunction PCM malfunction
SYSTEM WIRING DIAGRAM	Not applicable