P2571

Direct Ozone Reduction Catalyst Temperature Sensor Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–67 (est.)

Symptoms

Check Engine Light Is On
Minor changes in engine performance may occur
Increase in harmful emissions
The error may appear and disappear

Causes

Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Malfunction of the temperature sensor itself
Wiring harness damage
Problems with the engine control unit

How to Fix

Check the integrity of the sensor circuit
Inspect connectors for corrosion or damage
Check the resistance of the temperature sensor
Replace sensor if necessary
Check the operation of the system after repair

Related codes

P2570 P2572 P2573