DTC U0401-68: Correct Data Cannot Be Received From Pcm: Notes

DTC U0401:68	Signal error from PCM
DETECTION CONDITION	Correct data cannot be received from PCM
FAIL-SAFE FUNCTION	Refer to "Fail-safe function table". (Refer to DTC TABLE [ELECTRONIC AWD CONTROL SYSTEM] .)
POSSIBLE CAUSE	PCM malfunction AWD control module malfunction
SYSTEM WIRING DIAGRAM	-