P2572 Possible Causes
- Faulty direct ozone reduction catalyst deterioration sensor
- Direct ozone reduction catalyst deterioration sensor harness is open or shorted
- Poor electrical connection in direct ozone reduction catalyst deterioration sensor circuit
How to Fix Code P2572
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 pins.
Possible Symptoms
Check engine light illuminated (or service engine soon warning light)
P2572 Meaning
The engine control module (ECM) monitors the signal from the direct ozone reduction catalyst deterioration sensor. The ECM sets the OBDII code when the direct ozone reduction catalyst deterioration sensor signal falls outside factory specifications.