EV Diagnostics
Source-backed diagnostic reference

P1442 EV diagnostic code

Leakage Diagnostic Pump Control Circuit Signal Low

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 Low Source
  • BUICK: EVAP Vacuum Switch High Voltage During Ignition On Source
  • CADILLAC: EVAP Vacuum Switch High Voltage During Ignition On Source
  • CHEVY: EVAP Vacuum Switch High Voltage During Ignition On Source
  • CHRYSLER: EVAP Vacuum Switch High Voltage During Ignition On Source
  • FORD: Secondary Air Injection System Monitor Circuit High Voltage Source
  • GM: EVAP Vacuum Switch High Voltage During Ignition On Source
  • GMC: EVAP Vacuum Switch High Voltage During Ignition On Source
  • LINCOLN: Secondary Air Injection System Monitor Circuit High Voltage Source
  • MERCURY: Secondary Air Injection System Monitor Circuit High Voltage Source
  • OLDSMOBILE: EVAP Vacuum Switch High Voltage During Ignition On Source
  • OTHER: Evaporative Emission Control System Leak Detected Source
  • PLYMOUTH: EVAP Vacuum Switch High Voltage During Ignition On Source
  • PONTIAC: EVAP Vacuum Switch High Voltage During Ignition On Source
  • SATURN: EVAP Vacuum Switch High Voltage During Ignition On Source
  • SUBARU: Fuel Level Sensor Circuit Range Performance Source
  • VOLKSWAGEN: EGR Valve Position Sensor Signal Too High Source

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