SpareRadar OBD-II Code Lookup

P1661

Set by the manufacturer, so it means different things on different makes. 12 makes in the table below.

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What P1661 means, by make 12 makes
  • Audi Radiator fan control circuit to plus 2 short 4695 18069
  • Chevrolet MIL Control Circuit
  • Chrysler Sensor Ground Reference Circuit
  • Citroen Output Circuit Check Signal Low
  • Dodge Sensor Ground Reference Circuit
  • Ford Output Circuit Check Signal Low
  • Jeep Sensor Ground Reference Circuit
  • Lincoln Output Circuit Check Signal Low
  • Mercury Output Circuit Check Signal Low
  • Peugeot Output Circuit Check Signal Low
  • Toyota EGR Circuit Malfunction
  • Volkswagen Radiator fan control circuit to plus 2 short 4695 18069

Each line is that manufacturer's own meaning for P1661. 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 P1661
P
Powertrain
engine, transmission and emissions
1
Manufacturer-specific
Defined by the vehicle manufacturer, so the meaning varies between makes.
6
6
1
Fault index
identifies the specific fault
Powertrain Manufacturer-specific
Nearby codes in the P1 range
P165D manufacturer-specific, 2 makes P165E manufacturer-specific, 2 makes P165F manufacturer-specific, 3 makes P1660 manufacturer-specific, 18 makes P1662 manufacturer-specific, 11 makes P1664 manufacturer-specific, 6 makes P1666 manufacturer-specific, 7 makes P1667 manufacturer-specific, 9 makes

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.