P1217 – Engine Over Temperature Condition (Nissan)

Description

The ECM detected an engine over‑temperature condition.

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Symptoms

  • Overheating
  • Reduced power
  • Coolant loss
  • Check engine light

Causes

  • Low coolant
  • Faulty thermostat
  • Radiator blockage
  • Cooling fan failure

Diagnosis

  • Check coolant level
  • Inspect thermostat
  • Test cooling fan
  • Scan temperature data

Repair

  • Refill coolant
  • Replace thermostat
  • Repair fan
  • Clean radiator

Related Problems

Related Fault Codes