Heated Oxygen Sensor Heater Resistance (Bank 2, Sensor 1)
The P0059 code means the vehicle's onboard diagnostic system has detected: Heated Oxygen Sensor Heater Resistance (Bank 2, Sensor 1). This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- easy
- Estimated cost
- $75 - $250 (parts and labor)
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Common Symptoms
- Check Engine Light on
- Slightly reduced fuel economy
- Delayed O2 sensor warm-up on Bank 2
- Possible emissions failure
Probable Causes (Ranked by Likelihood)
- Degraded O2 sensor heater element Very High
- Corroded wiring or connector High
- Incorrect replacement sensor installed Moderate
- ECM heater driver issue Low
Frequently Asked Questions
What does P0059 mean?
P0059 means the heater resistance in the Bank 2 Sensor 1 oxygen sensor is outside the expected range, indicating a degrading heater element.
Is P0059 the same as P0053?
They are the same type of fault but on different banks. P0053 is Bank 1 Sensor 1 and P0059 is Bank 2 Sensor 1.
Can I replace the sensor myself?
Yes, O2 sensor replacement is a common DIY repair. You need an O2 sensor socket and the correct replacement part for your vehicle.
Mechanics Guide Step-by-step diagnosis
Step-by-Step Diagnostic Procedure
-
Confirm P0059 and locate Bank 2 Sensor 1
-
Measure heater resistance at sensor connector
-
Compare to manufacturer specification
-
Inspect wiring for corrosion or breaks
Sources 2
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
- Cross-checked against the SAE J2012:2002 DTC table (2026-08-27)archived scan of the SAE standard — readable copy, not SAE’s current edition
Commonly Affected Vehicles
- 2008-2018 Toyota Camry V6
- 2010-2019 Nissan Maxima
- 2007-2017 Honda Odyssey
- 2009-2018 Ford Explorer V6
Related Codes
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