Clutch B Actuator Control Circuit/Open

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

1. Faulty clutch actuator
2. Wiring or connection issue in the clutch actuator control circuit
3. Malfunctioning clutch actuator control module
4. Low battery voltage affecting the clutch actuator
5. Problem with the clutch actuator control relay

How to diagnose & fix

Work through it in order

1. Difficulty or inability to shift gears smoothly
2. Inability to engage or disengage the clutch
3. Clutch slipping, causing power loss or RPM fluctuations
4. Engine stalling or difficulty starting the vehicle
5. Illumination of the check engine light