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Home >> Ford >> 2015 >> Explorer Limited, 3.5L Eng VIN 8, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P0528 - Fan Speed Sensor Circuit No Signal - DTC Chart

P0528 - Fan Speed Sensor Circuit No Signal - DTC Chart

P0528 - FAN SPEED SENSOR CIRCUIT NO SIGNAL - DTC CHART

Description:  The PCM uses the fan speed sensor (FSS) input to monitor the cooling fan clutch speed. This DTC sets if the indicated fan speed is lower than the calibrated value during the key ON engine running (KOER) self-test.
Possible Causes: 
  • FSS VPWR circuit open
  • FSS PWRGND circuit open
  • FSS circuit open
  • FSS circuit short
  • Damaged FSS
  • Damaged PCM
Diagnostic Aids:  Visually inspect the cooling fan clutch for damage or restriction.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test HV .
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