Part of the generic C1100 overview — this page covers the Hyundai meaning specifically.
OBD-II Diagnostic Trouble Code
C1100
Battery voltage
C
Chassis
brakes / steering
brakes / steering
1
Mfr
manufacturer code
manufacturer code
1
Chassis subsystem
00
Battery voltage
Severity · general guide
High
Brakes/steering — inspect soon
Code type
Hyundai
System
Chassis
Model
Ioniq
Years
2020