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DTC P1901: Turbine Shaft Speed (TSS) Sensor Circuit Intermittent

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DTC P1901: TURBINE SHAFT SPEED (TSS) SENSOR CIRCUIT INTERMITTENT

Description:  The TSS sensor signal to the powertrain control module (PCM) is irregular or interrupted.
Possible Causes: 
  • Harness connector not correctly seated
  • Harness intermittently short or open
  • Harness connector damaged
  • TSS sensor damaged or not installed correctly
Diagnostic Aids:  Verify harness and connector integrity.
Verify correct installation of the TSS sensor.
Refer to the Pinpoint Test Turbine Shaft Speed Sensor in the appropriate AUTOMATIC TRANSMISSION/TRANSAXLE article to continue diagnosis.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All Refer to the Description, Possible Causes and Diagnostic Aids for the appropriate DTC.
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