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P0141

O2 Sensor Heater Circuit (Bank 1 Sensor 2)

Low
OBD-II Oxygen sensors
What it means

Downstream oxygen sensor heater not working — commonly the sensor, occasionally the fuse or wiring.

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Related codes
P0030

HO2S Heater Control Circuit (Bank 1 Sensor 1)

Oxygen sensorsLow
P0031

HO2S Heater Control Circuit Low (Bank 1 Sensor 1)

Oxygen sensorsLow
P0032

HO2S Heater Control Circuit High (Bank 1 Sensor 1)

Oxygen sensorsLow
P0036

HO2S Heater Control Circuit (Bank 1 Sensor 2)

Oxygen sensorsLow
P0037

HO2S Heater Control Circuit Low (Bank 1 Sensor 2)

Oxygen sensorsLow
P0038

HO2S Heater Control Circuit High (Bank 1 Sensor 2)

Oxygen sensorsLow
P0042

O2 Sensor Heater Control Circuit (Bank 1 Sensor 3)

Oxygen sensorsLow
P0043

O2 Sensor Heater Circuit Low (Bank 1 Sensor 3)

Oxygen sensorsLow

General reference only — what a code means can vary by make and model. Confirm with a qualified technician.