P2572: Direct Ozone Reduction Catalyst Deterioration Sensor Circuit
Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What Does P2572 Mean?
P2572 is a diagnostic trouble code indicating: Direct Ozone Reduction Catalyst Deterioration Sensor Circuit. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Symptoms of P2572
- ⚠️ Check Engine Light (MIL) illuminated
- ⚠️ Erratic Direct Ozone Reduction Catalyst Deterioration Sensor readings
- ⚠️ Related system operating intermittently
- ⚠️ Reduced engine performance
Common Causes
- 🔍 Wiring issue in Direct Ozone Reduction Catalyst Deterioration Sensor circuit (damaged, chafed, or corroded)
- 🔍 Faulty Direct Ozone Reduction Catalyst Deterioration Sensor connector or terminal
- 🔍 Failed Direct Ozone Reduction Catalyst Deterioration Sensor
- 🔍 ECM/PCM connection issue
Frequently Asked Questions
What does P2572 mean?
Can I drive with code P2572?
How much does it cost to fix P2572?
What To Do Next
Possible Fixes
- 🔧 Inspect and repair Direct Ozone Reduction Catalyst Deterioration Sensor wiring and connectors
- 🔧 Replace faulty Direct Ozone Reduction Catalyst Deterioration Sensor
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.