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Home >> Ford >> 2013 >> Explorer Police Interceptor, FWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls (Except Diesel & Hybrid) - DTC P0210 - P05C0 >> DTC P0528: Fan Speed Sensor Circuit No Signal

DTC P0528: Fan Speed Sensor Circuit No Signal

DTC P0528: FAN SPEED SENSOR CIRCUIT NO SIGNAL

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 PWR GND circuit open
  • FSS circuit open
  • FSS circuit short
  • Damaged FSS
  • Damaged PCM
Diagnostic Aids:  Visually inspect the cooling fan clutch for damage or obstruction.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST HV .