SpareRadar OBD-II Code Lookup

U1846

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

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What U1846 means, by make 1 make
  • Chevrolet Drive Motor Control Module B Lost Communicati on With Hybrid Powertrain Control Module

Each line is that manufacturer's own meaning for U1846. 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 U1846
U
Network
communication between control modules
1
Manufacturer-specific
Defined by the vehicle manufacturer, so the meaning varies between makes.
8
4
6
Fault index
identifies the specific fault
Network Manufacturer-specific
Nearby codes in the U1 range
U1839 manufacturer-specific, 1 make U183A manufacturer-specific, 1 make U183E manufacturer-specific, 1 make U1845 manufacturer-specific, 1 make U1847 manufacturer-specific, 1 make U1849 manufacturer-specific, 1 make U184A manufacturer-specific, 1 make U184D 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.