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Home >> Infiniti >> 2022 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 5) >> Engine (ECM) >> DTC P0527: Cooling Fan Speed Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P0527

Cooling fan speed sensor circuit range/performance

The number of fan speed signals is 16 RPM or less during engine rev.

  • Harness or connectors

    (The Electrically-controlled cooling fan coupling circuit is open or shorted)

  • Electrically-controlled cooling fan coupling
  • Cooling fan
  • IPDM E/R
  • Sensor power supply 2