garajizOBD-II code · generic
P257A
Vacuum Reservoir Control Circuit/Open
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P257A mean?
P257A is defined as “Vacuum Reservoir Control Circuit/Open”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- P257BVacuum Reservoir Control Circuit Low
- P257CVacuum Reservoir Control Circuit High
- P2577Direct Ozone Reduction Catalyst Efficiency Below Threshold
- P257DEngine Hood Switch Circuit Range/Performance
- P2576Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Intermittent/Erratic
- P257EEngine Hood Switch Circuit Low
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.