OBD-II Diagnostic Trouble Code
U04B1
Invalid data from battery monitor module
U
Network
modules / CAN bus
modules / CAN bus
0
Generic
SAE standard
SAE standard
4
Network subsystem
B1
Invalid data from battery monitor module
Severity · general guide
Moderate
Module communication fault
Code type
Generic
System
Network
Standard
ISO/SAE Controlled
Fault type
Communication Loss