P2577 - Direct Ozone Reduction Catalyst Efficiency Below Threshold
P2577 Possible Causes
- 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 do I fix code P2577?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the P2577 code
Labor: 1.0The cost of diagnosing the P2577 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
P2577 DescriptionThe 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.
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