DTC U0401-00: Signal Error From PCM: Notes

DTC	U0401-00	Signal error from PCM
DETECTION CONDITION		Error detected in signal from PCM via CAN communication.
FAIL-SAFE FUNCTION		Refer to "Fail-safe function table". (See DTC TABLE [DSC HU/CM] ).
POSSIBLE CAUSE		PCM malfunction
SYSTEM WIRING DIAGRAM		-