DTC U0401-68: Signal Error From Pcm: Notes

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DTC U0401:68 (Electronic AWD Control System) DETECTION CONDITION AND POSSIBLE CAUSE

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". (See DTC TABLE (Electronic AWD Control System) .)
POSSIBLE CAUSE	PCM malfunction AWD control module malfunction
SYSTEM WIRING DIAGRAM	-