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P0900: Clutch A Actuator Control Circuit/Open

Severity
High
System
Transmission
Last reviewed: Last updated:

Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.

Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).

Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.

What Does P0900 Mean?

P0900 is a diagnostic trouble code indicating: Clutch A Actuator Control Circuit/Open. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P0900

Common Causes

Frequently Asked Questions

What does P0900 mean?
P0900 indicates: Clutch A Actuator Control Circuit/Open. The vehicle's computer has detected that the Clutch A Actuator is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code P0900?
Only short distances if absolutely necessary. P0900 affects a critical system and should be diagnosed within a few days to avoid further damage.
How much does it cost to fix P0900?
Repair costs for P0900 typically range from $150 to $500, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

  • 🔧 Inspect and repair Clutch A Actuator wiring and connectors
  • 🔧 Replace faulty Clutch A Actuator
  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

P0901 Clutch A Actuator Control Circuit Range/Performance P0902 Clutch A Actuator Control Circuit Low P0903 Clutch A Actuator Control Circuit High P0904 Gate Select Position Circuit A P0905 Gate Select Position Circuit A Range/Performance P0906 Gate Select Position Circuit A Low P0907 Gate Select Position Circuit A High P0908 Gate Select Position Circuit A Intermittent P0909 Gate Select Control Error P090A Clutch B Actuator Control Circuit/Open