P1901 - Turbine Shaft Speed Sensor Circuit Intermittent

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Turbine Shaft Speed (TSS) sensor not installed correctly
  • Faulty Turbine Shaft Speed (TSS) sensor
  • Turbine Shaft Speed (TSS) sensor harness is open or shorted
  • Turbine Shaft Speed (TSS) sensor circuit poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1901 Description

The Turbine Shaft Speed (TSS) sensor signal to the Powertrain Control Module (PCM) is irregular or interrupted.
OBDII Code P1901 - Turbine Shaft Speed Sensor Circuit Intermittent - AutoCodes.com

P1901 Information for specific makes

  • P1901 AUDI Engine Coolant Blower Motor Run-On Relay Short To Positive
  • P1901 FORD Turbine Shaft Speed Sensor Circuit Intermittent
  • P1901 LINCOLN Turbine Shaft Speed Sensor Circuit Intermittent
  • P1901 MAZDA Turbine Shaft Speed Sensor Intermittent
  • P1901 MERCURY Turbine Shaft Speed Sensor Circuit Intermittent
  • P1901 SAAB CAN Data Bus Multifunction Control Module 1
  • P1901 VOLKSWAGEN Engine Coolant Blower Motor Run-On Relay Short To Positive

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