Skip to main content
OBD-II Diagnostic Trouble Code
U0401

Invalid Data Received From ECM/PCM

U
Network
modules / CAN bus
0
Generic
SAE standard
4
Network subsystem
01
Invalid Data Received From ECM/PCM
Severity · general guide
Moderate
Module communication fault
Code type
Generic
System
Network
Standard
ISO/SAE Controlled
Fault type
Communication Loss