SpareRadar OBD-II Code Lookup

U1601

Set by the manufacturer, so it means different things on different makes. 3 makes in the table below.

More codes than this one? Paste your whole scan
What U1601 means, by make 3 makes
  • Chevrolet Restraint system dedicated bus #1 malfunction (Suppression system bus)
  • Chrysler ECU Application Software Code 1 Missing or Corrupted
  • Dodge ECU APPLICATION SOFTWARE CODE 1 MISSING OR CORRUPTED

Each line is that manufacturer's own meaning for U1601. 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 U1601
U
Network
communication between control modules
1
Manufacturer-specific
Defined by the vehicle manufacturer, so the meaning varies between makes.
6
0
1
Fault index
identifies the specific fault
Network Manufacturer-specific
Nearby codes in the U1 range

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.