AutoCodes – Dodge – P2574 Dodge

P2574 Dodge Code - Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low

Quick Answer

The Engine Control Module (ECM) monitors the Direct Ozone Reduction Catalyst Deterioration Sensor signal. Common causes include Faulty Direct Ozone Reduction Catalyst Deterioration Sensor, Direct Ozone Reduction Catalyst Deterioration Sensor harness is open or shorted, Direct Ozone Reduction Catalyst Deterioration Sensor circuit poor electrical connection. 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
P2574 Dodge indicates Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low.
Common causes
Common causes include Faulty Direct Ozone Reduction Catalyst Deterioration Sensor, Direct Ozone Reduction Catalyst Deterioration Sensor harness is open or shorted, Direct Ozone Reduction Catalyst Deterioration Sensor circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,852
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 19, 2019
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code P2574 Dodge Description

The Engine Control Module (ECM) monitors the Direct Ozone Reduction Catalyst Deterioration Sensor signal. The ECM sets the OBDII code when the Direct Ozone Reduction Catalyst Deterioration Sensor signal is out of factory specifications.
OBDII Code P2574 Dodge - Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low - AutoCodes.com
P2574 Dodge Code - Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low

What are the Possible Causes of the DTC P2574 Dodge?

  • Faulty Direct Ozone Reduction Catalyst Deterioration Sensor
  • Direct Ozone Reduction Catalyst Deterioration Sensor harness is open or shorted
  • Direct Ozone Reduction Catalyst Deterioration Sensor circuit poor electrical connection

How to Fix the DTC P2574 Dodge?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2574 Dodge code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2574 Dodge code?

Need more information on how to fix the P2574 Dodge code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2574 Dodge code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2574 Dodge Code

1. What does the OBDII code P2574 mean on a Dodge vehicle?

The P2574 code indicates a problem with the Direct Ozone Reduction Catalyst Deterioration Sensor Circuit, specifically that it is reading a low voltage signal.

2. What are the common symptoms of the P2574 code on a Dodge?

Symptoms may include the check engine light turning on, reduced engine performance, increased emissions, and possible failed emissions tests.

3. What causes the P2574 code to appear on a Dodge?

Common causes include a faulty ozone reduction catalyst sensor, damaged wiring or connectors in the sensor circuit, or a malfunctioning powertrain control module (PCM).

4. Can I drive my Dodge with the P2574 code active?

While the vehicle may still be drivable, it is not recommended as it could result in higher emissions, reduced fuel efficiency, or further damage to the emissions system.

5. How is the P2574 code diagnosed in a Dodge?

A technician will use a scan tool to check for stored codes, inspect sensor wiring and connectors for damage, and test the ozone reduction catalyst sensor for proper operation.

6. How do you fix the P2574 code on a Dodge?

Repairs may include replacing the faulty ozone reduction catalyst sensor, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.

7. How much does it cost to fix the P2574 code on a Dodge?

The repair cost can vary but typically ranges from $150 to $500, depending on whether the sensor, wiring, or PCM needs replacement or repair.

8. Can a dirty air filter cause the P2574 code on a Dodge?

A dirty air filter is unlikely to directly cause the P2574 code but can contribute to poor engine performance, which may exacerbate emissions-related issues.

9. Will clearing the P2574 code with a scanner fix the problem?

Clearing the code may temporarily turn off the check engine light, but the underlying issue must be fixed to prevent the code from returning.

10. Is the P2574 code related to the catalytic converter?

Yes, the P2574 code involves the Direct Ozone Reduction Catalyst system, which works alongside the catalytic converter to reduce harmful emissions.

Discuss the causes and fixes for P2574 Dodge OBDII Code

Code P2574 Dodge comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play