P2574
Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low
P2574 is an OBD-II diagnostic trouble code meaning: Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low. Common causes: malfunction of the ozone catalyst sensor, open or short circuit in the sensor circuit. Estimated repair cost: $33–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unusual odors from the exhaust system
Causes
- Malfunction of the ozone catalyst sensor
- Open or short circuit in the sensor circuit
- Poor contact in sensor connectors
- Mechanical damage to the catalyst
- Sensor power problems
How to Fix
- Check the integrity of the sensor circuit
- Inspect the connectors and contacts of the sensor
- Check the functionality of the sensor
- If necessary, replace the ozone catalyst sensor
- Check the condition of the catalytic converter
Related codes
Error P2574 by Vehicle Brand
FAQ
What does the P2574 code mean?
P2574 is an OBD-II diagnostic trouble code that indicates: Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low
What causes a P2574 error code?
The most common causes of P2574 include: Malfunction of the ozone catalyst sensor; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Mechanical damage to the catalyst.
How do I fix a P2574 diagnostic trouble code?
To fix P2574: Check the integrity of the sensor circuit. Inspect the connectors and contacts of the sensor. Check the functionality of the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2574?
Yes, but get it checked soon
How much does it cost to fix P2574?
The estimated repair cost for P2574 is $33–89. Actual cost depends on your vehicle, location, and labor rates.
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