P00D2
HO2S Heater Control Circuit Range/Performance Bank 1 Sensor 2
Heater control of bank 1 sensor 2 is electrically OK but does not heat the sensor as expected — element aged or wiring resistance high.
Heater control of bank 1 sensor 2 is electrically OK but does not heat the sensor as expected — element aged or wiring resistance high.
Common causes
- high
Heater element aged
One of the most commonly reported causes for this code — check this first.
Typical part cost: $70-330
- low
Sensor element aged beyond calibration window
Less common, but worth ruling out after the more likely causes.
Typical part cost: $70-330
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P00D2 mean?
P00D2 means "HO2S Heater Control Circuit Range/Performance Bank 1 Sensor 2". It is a generic OBD-II code that points to a fault in the fuel & air metering / auxiliary emission controls.
What are the most common causes of P00D2?
heater element aged; sensor element aged beyond calibration window; sensor mounting loose - signal damping — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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