P2570 Possible Causes
- Faulty direct ozone reduction catalyst temperature sensor
- Direct ozone reduction catalyst temperature sensor harness is open or shorted
- Poor electrical connection in ozone reduction catalyst temperature sensor circuit
How to Fix Code P2570
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
Illuminated engine light (or service engine soon warning light)
P2570 Meaning
The engine control module (ECM) monitors the signal circuit of the direct ozone reduction catalyst temperature sensor. The ECM sets the OBDII code if the direct ozone reduction catalyst temperature sensor signal falls outside factory specifications.