SpareRadar OBD-II Code Lookup

U1156

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

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What U1156 means, by make 1 make
  • Chevrolet Loss of serial communications for class 2 devices

Each line is that manufacturer's own meaning for U1156. 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 U1156
U
Network
communication between control modules
1
Manufacturer-specific
Defined by the vehicle manufacturer, so the meaning varies between makes.
1
5
6
Fault index
identifies the specific fault
Network Manufacturer-specific
Nearby codes in the U1 range
U1144 manufacturer-specific, 1 make U1145 manufacturer-specific, 1 make U1147 manufacturer-specific, 1 make U1150 manufacturer-specific, 1 make U1158 manufacturer-specific, 1 make U1160 manufacturer-specific, 1 make U1161 manufacturer-specific, 1 make U1165 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.