P2571 OBD-II: Direct Ozone Reduction Catalyst Temperature Sensor Circuit

P2571 Severity

Urgent

Should you fix P2571 yourself?

Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.

Proper diagnosis will save you time and money on unnecessary repairs.

Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.

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What causes OBD-II fault code P2571?

The Radiator on certain Super Low Emissions Vehicles (SULEV) has a special coating to convert smog in the surrounding air oxygen. The eac (Environmental Air Catalyst Sensor is hardwired to the Radiator of the vehicle. If the sensor fails, a new OE Radiator must be installed and coded to the engine computer (PCM). Failure of this sensor or installing an aftermarket radiator will result in code P2570 being set.

OBD II Fault Code

OBD II P2571

OBD-II Code Direct Ozone Reduction Catalyst Temperature Sensor Circuit is defined as a Direct Ozone Reduction Catalyst Temperature Sensor Circuit

Common Problems That Trigger the P2571 Code

EAC sensor coding to powertrain control module (DME)
EAC sensor failure (part of radiator assembly)
The radiator does not meet the manufacturer's requirements

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OBD II Fault Code

OBD II P2571

OBD-II Code Direct Ozone Reduction Catalyst Temperature Sensor Circuit is defined as a Direct Ozone Reduction Catalyst Temperature Sensor Circuit

Common Problems That Trigger the P2571 Code

EAC sensor coding to powertrain control module (DME)
EAC sensor failure (part of radiator assembly)
The radiator does not meet the manufacturer's requirements

P2571 OBD-II: Direct Ozone Reduction Catalyst Temperature Sensor Circuit

Should you fix P2571 yourself?

What causes OBD-II fault code P2571?

Need a P2571 diagnosis? Trust our experts.

OBD II Fault Code

Common Problems That Trigger the P2571 Code

OBD Code Resources

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Other OBD-II Codes

OBD II Fault Code

Common Problems That Trigger the P2571 Code