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U3564: Hydrogen Supply Line A Pressure Sensor 1 Circuit

What Does U3564 Mean?

U3564 is a diagnostic trouble code indicating: Hydrogen Supply Line A Pressure Sensor 1 Circuit. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

What To Do Next

  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

U3559 Air Inlet Pressure Sensor Circuit U3560 Cathode Backpressure Valve Position Sensor Circuit U3561 Cathode Bypass Valve Control Circuit U3562 Cathode Bypass Valve U3563 Cathode Bypass Valve Position Sensor Circuit U3565 Hydrogen Supply Line A Pressure Sensor 2 Circuit U3566 Anode Inlet Pressure Sensor 1 Circuit U3567 Anode Inlet Pressure Sensor 2 Circuit