P2570 Fault Code

Direct Ozone Reduction Catalyst Temperature Sensor Circuit High

• What does that mean?
• Symptoms
• Causes
• Solutions

The P2570 error code indicates a malfunction in the Direct Ozone Reduction Catalyst Temperature Sensor Circuit. This code is triggered when the temperature readings from the ozone reduction catalyst sensor are higher than expected, suggesting potential issues within the system.

What are the symptoms of the P2570 code?

Drivers may experience various symptoms when this fault code is present, including:

• Check Engine Light illuminated on the dashboard.
• Reduced engine performance due to incorrect readings.
• Increased emissions, leading to potential inspection failures.
• Unusual engine noises from the catalytic converter area.

What causes the P2570 code?

Several factors can lead to this error code, including:

• Faulty ozone reduction catalyst temperature sensor.
• Wiring issues such as shorts or open circuits in the sensor circuit.
• Electrical problems like corroded connectors or damaged harnesses.
• A failing catalytic converter that may cause abnormal temperature readings.

How to fix P2570?

To resolve the P2570 error code, follow these steps:

• Inspect the ozone reduction catalyst temperature sensor for any visible damage or corrosion.
• Test the sensor's resistance with a multimeter to determine if it's functioning correctly.
• Check the wiring and connectors for signs of wear, damage, or poor connections.
• If the sensor is faulty, replace it and clear the error code from the vehicle's computer system.
• If necessary, evaluate the catalytic converter for any issues that may require repair or replacement.