P2573

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–222 (est.)

Symptoms

Check Engine light comes on
Increase in harmful emissions
Reduced efficiency of the exhaust gas cleaning system
Possible problems with vehicle dynamics

Causes

Open or damaged sensor circuit
Catalyst sensor malfunction
Problems with Direct Ozone Reduction Catalyst
Engine control unit malfunction
Corrosion or poor contact in connectors

How to Fix

Check the integrity of the sensor circuit
Check sensor connections and connectors
Test the catalyst sensor
Check the condition of the catalyst
If necessary, replace the sensor or catalyst

Related codes

P2574 P2575 P2576