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

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 appropriate Automatic Transmission article, Pinpoint Test Turbine Shaft Speed Sensor 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 DTC in table.