P07C4
Input/Turbine Shaft Speed Sensor C Circuit High
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring and connectors for any loose or damaged connections
- Inspect the Turbine Shaft Speed Sensor for any signs of damage or malfunction
- Clean and properly re
- install the Turbine Shaft Speed Sensor
- Replace the Turbine Shaft Speed Sensor if necessary
Common causes
Most likely first
- Faulty input/turbine shaft speed sensor
- Wiring issue or connection problem related to the input/turbine shaft speed sensor circuit
- Engine control module (ECM) or powertrain control module (PCM) malfunction
- Transmission
- related problem or malfunction
- Faulty or low transmission fluid level
How to diagnose & fix
Work through it in order
- Loss of power or acceleration
- Transmission shifting problems or failure to shift gears
- Engine stalling or misfiring
- Difficulty engaging or disengaging gears
- Illuminated Check Engine Light
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