P2573 Code - Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance
Quick Answer
The P2573 diagnostic trouble code (DTC) indicates that there is an issue with the Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance in the vehicle. Common causes include Faulty Direct Ozone Reduction Catalyst: The direct ozone reduction catalyst itself may be deteriorating or malfunctioning, triggering the P2573 code, Wiring Issues: Problems with the wiring harness or connections to the direct ozone reduction catalyst sensor can also cause this code to appear, Sensor Malfunction: The sensor itself may be faulty, providing inaccurate readings to the vehicle's engine control module. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P2573 indicates Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance.
- Common causes
- Common causes include Faulty Direct Ozone Reduction Catalyst: The direct ozone reduction catalyst itself may be deteriorating or malfunctioning, triggering the P2573 code, Wiring Issues: Problems with the wiring harness or connections to the direct ozone reduction catalyst sensor can also cause this code to appear, Sensor Malfunction: The sensor itself may be faulty, providing inaccurate readings to the vehicle's engine control module.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P2573 Description
The P2573 diagnostic trouble code (DTC) indicates that there is an issue with the Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance in the vehicle. This sensor is responsible for monitoring the efficiency of the vehicle's catalytic converter, specifically the direct ozone reduction catalyst. The direct ozone reduction catalyst plays a crucial role in reducing harmful emissions from the vehicle's exhaust system, converting pollutants like nitrogen oxides (NOx) into less harmful gases.
Common Causes of P2573
- Faulty Direct Ozone Reduction Catalyst: The direct ozone reduction catalyst itself may be deteriorating or malfunctioning, triggering the P2573 code.
- Wiring Issues: Problems with the wiring harness or connections to the direct ozone reduction catalyst sensor can also cause this code to appear.
- Sensor Malfunction: The sensor itself may be faulty, providing inaccurate readings to the vehicle's engine control module.
- Exhaust System Leaks: Leaks in the exhaust system before or after the direct ozone reduction catalyst can affect its performance and trigger the P2573 code.
- Engine Misfires: Persistent engine misfires can lead to the direct ozone reduction catalyst not functioning correctly, resulting in the code being set.
Symptoms of P2573
- Check Engine Light: The most common symptom associated with the P2573 code is the illumination of the Check Engine Light on the vehicle's dashboard.
- Decreased Fuel Efficiency: A malfunctioning direct ozone reduction catalyst can lead to decreased fuel efficiency as the engine may not be running optimally.
- Rough Idling: The engine may experience rough idling or hesitation when the direct ozone reduction catalyst is not functioning properly.
- Reduced Engine Performance: The vehicle may exhibit reduced engine performance, including decreased power and acceleration.
- Emissions Testing Failure: If the direct ozone reduction catalyst is not working correctly, the vehicle may fail emissions testing due to increased pollutant emissions.
How to Fix P2573
- Diagnostic Scan: Begin by performing a diagnostic scan to confirm the presence of the P2573 code and identify any other potential issues.
- Inspect Direct Ozone Reduction Catalyst: Check the condition of the direct ozone reduction catalyst for any signs of damage or deterioration.
- Check Wiring and Connections: Inspect the wiring harness and connections to the sensor for any damage or corrosion. Repair or replace as needed.
- Replace Sensor: If the sensor is found to be faulty, replace it with a new one that meets the manufacturer's specifications.
- Clear Codes and Test Drive: Clear the diagnostic trouble codes from the vehicle's engine control module and take the vehicle for a test drive to ensure the issue has been resolved.
Cost to Fix P2573
The cost of repairing the Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance issue can vary depending on the specific cause of the problem and the vehicle's make and model. In general, the cost of parts for this repair can range from $100 to $300, while the labor involved may cost between $150 to $300. This brings the total estimated cost of this repair to approximately $250 to $600. However, it is essential to note that labor rates and part prices can vary significantly depending on the location and the auto repair shop. It is advisable to consult with a trusted mechanic or dealership to get a more accurate estimate based on your specific circumstances.
Need more information about the P2573 code?
Need more information on how to fix the P2573 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P2573 code diagnosed by a professional: Find a repair shop in your area
Code P2573 Information for Specific Makes
- P2573 Chevrolet — Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance
- P2573 Dodge — Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance
- P2573 Ford — Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance
- P2573 GMC — Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance
Frequently Asked Questions about P2573 Code
No Frequently Asked Questions about P2573 Code found.
Discuss the causes and fixes for P2573 OBDII Code
Code P2573 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.