P2241 - O2 SENSOR POSITIVE CURRENT CONTROL CIRCUIT LOW BANK 2 SENSOR 1

POST UPDATED IN January, 2023

Description of DTC code P2241 Generic

To monitor the exhaust oxygen content present in the engine, the PCM uses the data provided by the Oxygen Sensors (O2). With this input data, the effectiveness of the Catalyst (TWC) is also checked.

Once the engine is warmed up, the PCM checks the operation of the O2 sensor circuit. When the DTC P2241 OBDII code is set, the PCM has found that the Oxygen Sensor 1 control circuit on bank 2 has a voltage below the allowable limit.

Symptoms of fault code P2241 Generic

  • Check Engine lamp illuminates.
  • There is a reduction in fuel economy.
  • Reduced engine power.
  • Stored lean exhaust codes.

Causes of OBD2 P2241 Generic

The factors for which the P2241 OBD2 diagnostic code is stored are:

  • There may be an Oxygen Sensor wire or connector that is burned, worn, or corroded.
  • The O2 Sensor may be defective.

Possible solutions of the DTC code P2241 Generic

To troubleshoot the P2241 OBDII trouble code you must do the following:

  • Thoroughly inspect all wires and connectors leading to the Oxygen Sensor. If there are wires with wear or burn spots, repair or replace them. Also, check the connectors for good electrical connection and corrosion.
  • Check the resistance between the O2 Sensor control circuit and a ground circuit. If it is determined that there is continuity, the sensor is defective. Replace it.
  • A properly functioning Oxygen Sensor has a variant voltage ranging from 1 and 900 Mv when the PCM is in a closed-loop. Any of these sensors that do not meet these parameters require replacement.

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