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Home >> Ford >> 2012 >> Explorer Limited, 3.5 8, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls (Except Diesel & Hybrid) - Powertrain DTC Descriptions - DTC P1703 - P2A04, DTC PXXXX, DTC U0046 - U300C, DTC UXXXX >> DTC P1900: Output Shaft Speed (OSS) Sensor Circuit Intermittent

DTC P1900: Output Shaft Speed (OSS) Sensor Circuit Intermittent

P1900 - OUTPUT SHAFT SPEED (OSS) SENSOR CIRCUIT INTERMITTENT

Description:  The OSS sensor signal to the PCM is irregular or interrupted.
Possible Causes  :
  • OSS connector not correctly seated
  • OSS harness circuits intermittent open
  • OSS harness circuits intermittent short
  • Damaged OSS connector
  • OSS sensor damaged, or not installed correctly
Diagnostic Aids:  Verify harness and connector integrity.
Verify correct installation of the OSS sensor.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
Manual Transmission GO to PINPOINT TEST DP .
Automatic Transmission Refer to the appropriate Automatic Transaxle/Transmission article, Pinpoint Test Output Shaft Speed Sensor to continue diagnosis.
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