DTC P0601-00: Pcm Memory Check Sum Error: Notes

DTC P0601:00	PCM memory check sum error
DETECTION CONDITION	PCM internal memory check sum error. 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	Restricts the upper limit of the engine speed. Stops the drive-by-wire control (throttle valve is open at approx. 8 ° by return spring force).
POSSIBLE CAUSE	PCM connector or terminals malfunction PCM malfunction PCM internal memory malfunction
System Wiring Diagram	Not applicable