Error code
OBD2 P2571
OBD2P2571
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Direct Ozone Reduction Catalyst Temperature Sensor Circuit Intermittent/Erratic.
Severity
moderateCan be driven, but may cause further damage and increase emissions.
Summary
P2571 indicates an issue with the Direct Ozone Reduction Catalyst Temperature Sensor circuit, which is part of the exhaust system's emissions control components.
Common Causes
- Poor wiring or connection to the temperature sensor
- Faulty direct ozone reduction catalytic converter temperature sensor
Fixes
- Inspect and repair wiring or connections to the temperature sensor.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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