P07C3
Input/Turbine Shaft Speed Sensor C Circuit Low
Generic OBD-II
Common symptoms
What you'll notice
- Check and replace the input/turbine shaft speed sensor C
- Inspect and repair any damaged or loose wiring connections related to the input/turbine shaft speed sensor C
- Check and replace the transmission control module (TCM) if necessary
- Verify and repair any internal transmission issues causing the low circuit voltage for the input/turbine shaft speed sensor C
Common causes
Most likely first
- Faulty turbine shaft speed sensor
- Loose or damaged wiring connections to the turbine shaft speed sensor
- Malfunctioning or damaged transmission control module
- Low transmission fluid level
- Mechanical issue with the turbine shaft or transmission components
How to diagnose & fix
Work through it in order
- Poor acceleration or sluggish performance
- Difficulty shifting gears or rough shifting
- Engine stalling or idling irregularly
- Harsh or delayed engagement of transmission
- Illumination of the check engine light
Read & clear P07C3 yourself
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