SpareRadar OBD-II Code Lookup

U18C4

Set by the manufacturer, so it means different things on different makes. 1 make in the table below.

More codes than this one? Paste your whole scan
What U18C4 means, by make 1 make
  • Chevrolet Lost Communication with Video Processing Control Module on Low Speed CAN Bus

Each line is that manufacturer's own meaning for U18C4. They are genuinely different faults, not rewordings of one, so a meaning listed against one make says nothing about the others. If your make is not listed, we do not hold it - your manufacturer's service information is the authority.

Code structure U18C4
U
Network
communication between control modules
1
Manufacturer-specific
Defined by the vehicle manufacturer, so the meaning varies between makes.
8
C
4
Fault index
identifies the specific fault
Network Manufacturer-specific
Nearby codes in the U1 range
U18B4 manufacturer-specific, 1 make U18BA manufacturer-specific, 1 make U18C0 manufacturer-specific, 1 make U18C2 manufacturer-specific, 1 make U18D0 manufacturer-specific, 1 make U18D1 manufacturer-specific, 1 make U18D3 manufacturer-specific, 1 make U18D5 manufacturer-specific, 1 make

Manufacturer code meanings from kierandrewett/obd (b56a07a), used under the MIT licence. Copyright (c) Kieran Drewett. SpareRadar is not affiliated with the dataset's authors.