P0037 | TuneAutos

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Dec 7, 2022
3 min

OBD Fault Codes

P0037 Fault Code (Causes & Fixes) HO2S Heater Control Circuit Low (Bank 1, Sensor 2)

A P0037 code is generated when the ECM detects a signal voltage from oxygen sensor 2 that is not within the specified range.

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