garajizOBD-II code · generic
P2577
Direct Ozone Reduction Catalyst Efficiency Below Threshold
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P2577 mean?
P2577 is defined as “Direct Ozone Reduction Catalyst Efficiency Below Threshold”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- P2576Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Intermittent/Erratic
- P2575Direct Ozone Reduction Catalyst Deterioration Sensor Circuit High
- P2574Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low
- P257AVacuum Reservoir Control Circuit/Open
- P2573Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance
- P257BVacuum Reservoir Control Circuit Low
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This page is general information; an exact diagnosis needs measurements and a technician’s check.