P07C8
Intermediate Shaft Speed Sensor B Circuit High
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring and connectors for any damage or loose connections
- Inspect the intermediate shaft speed sensor for any signs of damage or malfunction
- Clean the intermediate shaft speed sensor and ensure it is properly aligned
- Replace the intermediate shaft speed sensor
Common causes
Most likely first
- Wiring or connection issues related to the intermediate shaft speed sensor
- Faulty intermediate shaft speed sensor
- Problems with the transmission control module (TCM)
- Issues with the engine control module (ECM)
- Malfunctioning or damaged gears or shafts in the transmission system
How to diagnose & fix
Work through it in order
- Engine misfires or stutters
- Decreased fuel efficiency
- Harsh shifting or transmission problems
- Illuminated Check Engine Light
- Difficulty starting the vehicle
Read & clear P07C8 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.