OBD-II Diagnostic Trouble Code
U1400
Function restriction caused by low voltage
U
Network
modules / CAN bus
modules / CAN bus
1
Mfr
manufacturer code
manufacturer code
4
Network subsystem
00
Function restriction caused by low voltage
Severity · general guide
Moderate
Module communication fault
Code type
Jeep
System
Network
Model
Grand Cherokee
Years
2011