P0903 - Clutch Actuator Circuit High

The controller detected a clutch input or actuator fault that can affect engagement, gear changes, or clutch-release strategy.

Code Overview

The controller detected a clutch input or actuator fault that can affect engagement, gear changes, or clutch-release strategy.

Common Causes

• Faulty clutch switch, sensor, or actuator
• Wiring or connector problem
• Hydraulic or mechanical clutch issue
• Module adaptation or control fault

Diagnostic Steps

1. Inspect the clutch switch, sensor, or actuator connector
2. Verify the clutch input changes correctly on a scan tool
3. Check clutch hydraulic travel or release operation if equipped
4. Look for linkage binding or adaptation faults before replacing parts

Likely Repairs & Cost Guides

Use test results to confirm the fault before pricing the repair.

Related OBD Codes

Browse the closest code-family pages when the same fault pattern often shows up nearby.

Next Steps

Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.