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

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 shorted 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.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	Refer to the AUTOMATIC TRANSAXLE/TRANSMISSION - 5R55S , Automatic Transmission Cooling Symptom Chart, Pinpoint Test Turbine Shaft Speed Sensor to continue diagnosis.