P2570 — Direct Ozone Reduction Catalyst Temperature Sensor Circuit High

What Does P2570 Mean?

P2570 is a diagnostic trouble code indicating: Direct Ozone Reduction Catalyst Temperature Sensor Circuit High. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P2570

⚠️ Check Engine Light (MIL) illuminated
⚠️ Direct Ozone Reduction Catalyst Temperature Sensor reading stuck at maximum value
⚠️ Related system operating erratically or in default mode
⚠️ Reduced engine performance

Common Causes

🔍 Short to voltage in Direct Ozone Reduction Catalyst Temperature Sensor wiring harness
🔍 Corroded or water-damaged Direct Ozone Reduction Catalyst Temperature Sensor connector
🔍 Faulty Direct Ozone Reduction Catalyst Temperature Sensor outputting maximum voltage
🔍 Damaged wiring rubbing against metal components
🔍 ECM/PCM internal fault (rare)

Frequently Asked Questions

What does P2570 mean?

P2570 indicates: Direct Ozone Reduction Catalyst Temperature Sensor Circuit High. The vehicle's computer has detected that the Direct Ozone Reduction Catalyst Temperature Sensor is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P2570?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P2570 for extended periods may cause additional problems.

How much does it cost to fix P2570?

Repair costs for P2570 typically range from $20 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect and repair Direct Ozone Reduction Catalyst Temperature Sensor wiring for short to voltage
🔧 Clean or replace corroded Direct Ozone Reduction Catalyst Temperature Sensor connector
🔧 Replace faulty Direct Ozone Reduction Catalyst Temperature Sensor

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P2570: Direct Ozone Reduction Catalyst Temperature Sensor Circuit High