OBD Code P0141

O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)

CodeP0141
DescriptionO2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
Possible CausesThe heater circuit for the downstream oxygen sensor has failed.
SystemFuel and Air Metering

What Does P0141 Mean?

O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2). This diagnostic trouble code (DTC) is stored when the vehicle's onboard computer detects an issue with the fuel and air metering.

Code Breakdown

P = Powertrain code

0 = Generic (SAE standard)

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