P1443

P1443 OBD Code Definition:
P1443 Leakage Diagnostic Pump Control Circuit Signal High
P1443 OBD Code Description:

Possible Symptoms

  • Malfunction Indicator Light (MIL) ON

Possible Causes

  • Wiring and/or Connector(s) from/to Potentiometer for Exhaust Gas Recirculation faulty
  • Potentiometer for Exhaust Gas Recirculation  faulty
  • Exhaust Gas Recirculation (EGR) Valve  stuck/faulty

Possible Solutions

  • Check Wiring and/or Connector(s) from/to Potentiometer for Exhaust Gas Recirculation
  • Check/Replace Exhaust Gas Recirculation (EGR) Valve
    • Perform Output Test
  • Check Exhaust Gas Recirculation (EGR) System

 

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