DTC U0401-68; Error Signal Received From Pcm: Notes

DETECTION CONDITION & POSSIBLE CAUSES

Description	Error signal received from PCM
Detection condition	Front body control module (FBCM) receives the error ECT sensor or ambient temperature sensor signals from the PCM for 5 s or more with the ignition switched ON (engine off or on).
Fail-safe function	Not applicable
Possible cause	ECT sensor malfunction Ambient temperature sensor malfunction PCM malfunction Front body control module (FBCM) malfunction
System wiring diagram	Not applicable