Fault code lookup

PowertrainP0443

Caution

Severity: Caution - get it checked when you can

Evaporative Emission Control System Purge Control Valve Circuit

41 brands affected · Generic SAE J2012 description.

Key terms: Catalytic converter: cleans the exhaust gases · EGR: exhaust gas recirculation, which cuts harmful gases · EVAP: the system that traps fuel vapour · Oxygen sensor: measures oxygen in the exhaust gas · SAE J2012: the standard generic code list · Powertrain: engine, transmission and emissions

1What it means in plain English

This range covers emissions control (EGR, EVAP, oxygen sensors and the catalytic converter), but some manufacturers also use P04 codes for oil-pressure, brake-fluid and coolant-level warnings.

2Common causes

  1. Clogged or faulty EGR valve
  2. EVAP system leak (hoses, canister, fuel cap)
  3. Faulty oxygen sensor
  4. Ageing catalytic converter
  5. Low oil, brake fluid or coolant (on some models)
  6. Wiring or connector fault

3Can I drive?

Caution · drive with care

Do not assume this code is safe to drive. Check the description: if it names oil pressure, brake fluid, coolant, or a brake fault, stop safely and have it diagnosed before driving. Emissions-only codes (EGR, EVAP, catalyst) should still be checked before an emissions or roadworthiness inspection.

This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.

4Brand data 41

BrandCodeDescriptionSystem
Ashok Leyland CVP0443Starter Motor. Generator. Belt Tensioner. (Control Circuit.) - High Signal BrandPowertrain
BAIC MotorP0443Purge Solenoid Diagnostic BrandPowertrain
Mercedes-BenzP0443Evaporative Emission Control System Purge Control Valve Circuit SAEPowertrain
BMWP0443Short circuit to positive BrandPowertrain
BYDP0443Purge solenoid diagnostic BrandPowertrain
CheryP0443Canister Output Fault BrandPowertrain
DaewooP0443A/C Relay Voltage High BrandPowertrain
DaihatsuP0443Evaporation purge VSV BrandPowertrain
DFFSP0443Purification control solenoid valve fault BrandPowertrain
DFFXP0443EVAP. emission control valve BrandPowertrain
DFXKP0443Canister solenoid control circuit fault BrandPowertrain
EOBDP0443EVAP-systeem spoelregelklep 'A' circuit BrandPowertrain
FordP0443Evaporative Emission Control System Purge Control Valve Circuit SAEPowertrain
GeelyP0443Canister Output Fault BrandPowertrain
GMP0443Circuit de commande de soupape de purge EVAP BrandPowertrain
Great WallP0443EVAP. emission control valve BrandPowertrain
HafeiP0443EVAP. emission control valve BrandPowertrain
HoldenP0443Evaporative Emission (EVAP) Purge Solenoid Valve Control Circuit BrandPowertrain
HondaP0443Evaporative Emission Control System Purge Control Valve Circuit SAEPowertrain
HyundaiP0443Evaporative Emission Control System Purge Control Valve Circuit SAEPowertrain
IsuzuP0443Evaporative Emission Control System Purge Control Valve Circuit SAEPowertrain
Land RoverP0443Evaporative Emission Control System Purge Control Valve Circuit SAEPowertrain
MaseratiP0443Evaporative Emission Control System Purge Control Valve Circuit SAEPowertrain
MazdaP0443Evaporative Emission Control System Purge Control Valve Circuit SAEPowertrain
MitsubishiP0443EVAP. emission control valve BrandPowertrain
NissanP0443Purging volume control valve BrandPowertrain
OpelP0443Circuit de commande de soupape de purge EVAP BrandPowertrain
PeroduaP0443Evaporation purge VSV BrandPowertrain
PeugeotP0443Evaporative Emission Control System Purge Control Valve Circuit SAEPowertrain
PorscheP0443Tankentlüftungsventil BrandPowertrain
ProtonP0443Evaporative Emission Control System Purge Control Valve Circuit SAEPowertrain
SaabP0443Circuit de commande de soupape de purge EVAP BrandPowertrain
MG (SAIC)P0443Evaporative Emission System Purge Control Valve Circuit BrandPowertrain
SmartP0443Evaporative Emission Control System Purge Control Valve Circuit SAEPowertrain
SprinterP0443Evaporative Emission Control System Purge Control Valve Circuit SAEPowertrain
SubaruP0443Evaporative Emission Control System Purge Control Valve Circuit SAEPowertrain
SuzukiP0443Evaporative emission control system purge control valve circuit malfunction BrandPowertrain
SWM MotorP0443carbon canister solenoid valve control circuit failure BrandPowertrain
TataP0443Evaporative Emission System Purge Control Valve Circuit BrandPowertrain
ToyotaP0443Canister discharge solenoid valve control failure BrandPowertrain
VolkswagenP0443EVAP purge control valve (N80): circuit malfunction; Cannot be tested at this time BrandPowertrain

Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.

5Extended variant codes 1

These 7-character codes are manufacturer-specific variants of P0443 and may be reported by some scan tools.

BrandCodeDescriptionSystem
SsangYongP044300Purge control solenoid valve malfunction - faulty closing BrandPowertrain

6Related codes

  • P0440 Evaporative Emission Control System
  • P0441 Evaporative Emission Control System Incorrect Purge Flow
  • P0442 Evaporative Emission Control System Leak Detected (Small Leak)
  • P0444 Evaporative Emission Control System Purge Control Valve Circuit Open
  • P0445 Evaporative Emission Control System Purge Control Valve Circuit Shorted
  • P0446 Evaporative Emission Control System Vent Control Circuit
  • P0447 Evaporative Emission Control System Vent Control Circuit Open
  • P0448 Evaporative Emission Control System Vent Control Circuit Shorted
  • P0449 Evaporative Emission Control System Vent Valve/Solenoid Circuit
  • P044A EGR sensor 'C' circuit
  • P044B EGR sensor 'C' circuit range/performance
  • P044C EGR sensor 'C' circuit low

Browse Pxxx codes or P044xx codes.

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