OBD-II code · generic
C0549
Vacuum Sensor A Circuit/Open
- System
- C — Chassis (ABS / brakes / suspension)
- Severity
- High (4/5)
- Can I keep driving?
- Drive with caution
What does C0549 mean?
C0549 is defined as “Vacuum Sensor A Circuit/Open”.
Drive gently and only as far as you need to; have it checked as soon as possible.
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This page is general information; an exact diagnosis needs measurements and a technician’s check.