DTC P0601-00: Pcm Memory Check Sum Error

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P0601: 00 (PCM (PYUL)) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	PCM memory check sum error
Detection condition	PCM internal memory check sum error.
Fail-safe	Fixes the throttle valve opening angle. Inhibits engine-stop by i-stop control.
Possible cause	PCM malfunction (Refer to [PCM REMOVAL/INSTALLATION ] in service information).
Repeatability verification procedure	Clear the DTC recorded in the memory. (See CLEARING DTC .) Perform the KOEO or KOER self test. (See DTC INSPECTION .)
System Wiring Diagram	Not applicable