P090D
Clutch B Actuator Control Circuit High
Generic OBD-II
Common symptoms
What you'll notice
- Inspect the wiring harness and connectors for any damage or loose connections.
- Reset the vehicle's electronic control module (ECM) and clear any error codes.
- Perform a thorough inspection of the clutch system for any signs of wear or damage and repair or replace components as necessary.
- Consult the vehicle's service manual or manufacturer for further troubleshooting steps or assistance.
Common causes
Most likely first
- Faulty clutch actuator
- Wiring or connection issue in the clutch actuator control circuit
- Malfunctioning clutch actuator control module
- Low battery voltage affecting the clutch actuator
- Problem with the clutch actuator control relay
How to diagnose & fix
Work through it in order
- Difficulty or inability to shift gears smoothly
- Inability to engage or disengage the clutch
- Clutch slipping, causing power loss or RPM fluctuations
- Engine stalling or difficulty starting the vehicle
- Illumination of the check engine light
Read & clear P090D yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.