SpareRadar OBD-II Code Lookup

U1839

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

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What U1839 means, by make 1 make
  • Chevrolet Auxiliary Transmission Fluid Pump Control Module Lost Communication with Engine Control Module

Each line is that manufacturer's own meaning for U1839. 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 U1839
U
Network
communication between control modules
1
Manufacturer-specific
Defined by the vehicle manufacturer, so the meaning varies between makes.
8
3
9
Fault index
identifies the specific fault
Network Manufacturer-specific
Nearby codes in the U1 range
U182D manufacturer-specific, 1 make U182E manufacturer-specific, 1 make U182F manufacturer-specific, 1 make U1833 manufacturer-specific, 1 make U183A manufacturer-specific, 1 make U183E manufacturer-specific, 1 make U1845 manufacturer-specific, 1 make U1846 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.