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

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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 properly seated Harness intermittently shorted or open Harness connector damaged TSS sensor damaged or not installed properly
Diagnostic Aids:	Verify harness and connector integrity. Verify proper installation of the TSS sensor.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	Refer to AUTOMATIC TRANSMISSION .