Code result
P2572
Direct Ozone Reduction Catalyst Deterioration Sensor Circuit
Moderate severity
What it means
General electrical fault on the DOR catalyst deterioration sensor circuit. This sensor estimates the remaining ozone-conversion capacity of the DOR coating — coating worn off the radiator surface, contaminated by salt or grime, or thermally aged. Without a valid signal the deterioration monitor is disabled.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Open or shorted wiring
highOne of the most commonly reported causes for this code — check this first.
Related help
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