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P0038

HO2S Heater Control Circuit High Bank 1 Sensor 2

What this code means

Diagnostic trouble code P0038 indicates: HO2S Heater Control Circuit High Bank 1 Sensor 2. It was set by your vehicle's onboard diagnostics system and will typically keep the check engine light on until it's addressed.

ECUs that can switch off P0038

P0038 is part of the Lambda / O2 OFF group. These ECUs support Lambda / O2 OFF, which switches it off:

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