Transmission Speed Sensor: Testing and Inspection
DESCRIPTIONThe Turbine Shaft Speed (TSS) Sensor is a magnetic pickup that sends a signal to the powertrain control module that indicates transaxle turbine shaft input speed. The TSS provides converter turbine speed information for torque converter clutch (TCC) strategy. Also used in determining static electronic pressure control (EPC) pressure settings.
SYMPTOMS
Increased engine rpm on engagements, harsh shifts (converter engaged), delayed shifts with hard apply (slip/bump feel).
DTC's
P0715