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C0547: Vacuum Sensor Supply Voltage Circuit/Open

What Does C0547 Mean?

C0547 is a diagnostic trouble code indicating: Vacuum Sensor Supply Voltage Circuit/Open. This code relates to the chassis 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

C0542 Brake Pressure Sensor B Circuit Low C0543 Brake Pressure Sensor B Circuit High C0544 Brake Pressure Sensor B Circuit/Open C0545 VIN Not Programmed or Incompatible - BSCM C0546 VIN Not Programmed or Incompatible C0548 Vacuum Sensor Supply Voltage Low C0549 Vacuum Sensor A Circuit/Open C0550 Vacuum Sensor B Circuit High