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TuningBot DTC Database · v4.37.15

P0162 O2 Sensor Circuit Malfunction (Bank 2 Sensor 3)

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEmissionsOBD2

What P0162 means

P0162
O2 Sensor Circuit Malfunction (Bank 2 Sensor 3) Generic · emissions Data confidence 90%

The control module detected improper operation of the O2 Sensor circuit.

Symptoms

  • MIL illuminated
  • Possible increased fuel consumption
  • Possible unstable idle

Possible causes

  • Wiring
  • HO2S
  • ECM

Recommended checks

  • Read live sensor voltage/current and heater status
  • Inspect wiring and connectors
  • Check for exhaust leaks near the sensor
  • Check fuel trim values for upstream mixture faults

Related and nearby codes

How to read P0162

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

162

Specific fault index within the subsystem.

Frequently asked questions about P0162

What does P0162 mean?

O2 Sensor Circuit Malfunction (Bank 2 Sensor 3). The control module detected improper operation of the O2 Sensor circuit.

Is P0162 generic or manufacturer-specific?

P0162 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0162 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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