P1222 – Fuel Pump Control Module Low Input (Nissan)

Description

The ECM detected a low input signal from the fuel pump control module.

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Symptoms

  • Long crank
  • Low power
  • Hesitation

Causes

  • Open circuit
  • Faulty module
  • Connector corrosion

Diagnosis

  • Check wiring continuity
  • Inspect module
  • Check connectors

Repair

  • Repair wiring
  • Replace module
  • Clean connectors