EV Diagnostics
Source-backed diagnostic reference

P1443 EV diagnostic code

Leakage Diagnostic Pump Control Circuit Signal High

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

  • BMW: Leakage Diagnostic Pump Control Circuit Signal High Source
  • FORD: Evaporative Emission Control System Vacuum System Purge Control Solenoid or Purge Control Valve Fault Source
  • LINCOLN: Evaporative Emission Control System Vacuum System Purge Control Solenoid or Purge Control Valve Fault Source
  • MAZDA: EVAP System Purge Flow Fault Source
  • MERCURY: Evaporative Emission Control System Vacuum System Purge Control Solenoid or Purge Control Valve Fault Source
  • MITSUBISHI: EVAP Purge Control Solenoid 2 Circuit Fault Source
  • NISSAN: EVAP Canister Control Vacuum Switch Circuit Fault Source
  • OTHER: Evaporative Emission Control System Control Valve Source
  • SUBARU: EVAP Control System Vent Control Function Problem Source
  • VOLKSWAGEN: EGR Valve Position Sensor Signal Too Low Source
  • GENERIC: Evaporative Emission Control System Control Valve Source

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