P0141 OBD II Trouble Code Oxygen O2 Sensor Heater Circuit Malfunction (Bank1, Sensor2)

Symptoms of P0141 OBD II Trouble Code

  • open or short to ground in the wiring harness
  • O2 heater circuit wiring high resistance
  • O2 heater element resistance is high
  • Internal short or open in the heater element

Common Causes of P0141 OBD II Trouble Code

  • Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)
  • Repair short or open or high resistance in wiring harness or harness connectors