SpareRadar OBD-II Code Lookup

P1446

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

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What P1446 means, by make 12 makes
  • Audi Temperature Sensor 1-G20 catalyst for short circuit to ground 45BE 17854
  • BMW Diagnostic Module Tank Leakage (DM-TL) Pump Control Circuit Signal High
  • Citroen Evaporative Vac Solenoid Circuit Malfunction
  • Fiat Additive
  • Ford Evaporative Vac Solenoid Circuit Malfunction
  • Mazda EVAP Purge Flow Sensor Circuit High Voltage
  • Mercedes-Benz Evaporative Vacuum Solenoid Circuit
  • Nissan Vent Control Valve
  • Peugeot Evaporative Vac Solenoid Circuit Malfunction
  • Subaru TRANSMISSION FLUID PRESSURE SENSOR/SWITCH E CIRCUIT
  • Volkswagen Temperature Sensor 1-G20 catalyst for short circuit to ground 45BE 17854
  • Volvo Catalyst Temp. Circ Short to Ground

Each line is that manufacturer's own meaning for P1446. 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 P1446
P
Powertrain
engine, transmission and emissions
1
Manufacturer-specific
Defined by the vehicle manufacturer, so the meaning varies between makes.
4
4
6
Fault index
identifies the specific fault
Powertrain Manufacturer-specific
Nearby codes in the P1 range
P1441 manufacturer-specific, 15 makes P1443 manufacturer-specific, 19 makes P1444 manufacturer-specific, 13 makes P1445 manufacturer-specific, 14 makes P1447 manufacturer-specific, 12 makes P1448 manufacturer-specific, 13 makes P1449 manufacturer-specific, 10 makes P144A 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.