DTC U0401: Invalid Data Received From ECM/Pcm "A"
DTC detecting condition:
When data error received from ECM is detected 3 times within 10 seconds.
Trouble symptom:
Seat memory registration/restoration is unable to be performed.
NOTE:
Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE
.