P07C2
Input/Turbine Shaft Speed Sensor B Circuit High
Generic OBD-II
Common symptoms
What you'll notice
- Check and replace faulty Turbine Shaft Speed Sensor
- Inspect and repair any damaged wiring or connectors related to the Turbine Shaft Speed Sensor
- Clear error codes to check if they return
- Check and replace the Transmission Control Module (TCM) if necessary
- Perform a thorough inspection and possible repair of the transmission system
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
- Engine stalling or misfiring may occur
- Loss of power and decreased acceleration
- Transmission shifting issues, such as erratic or delayed shifts
- Increased fuel consumption or poor fuel efficiency
- Illumination of the check engine light on the dashboard
Read & clear P07C2 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.