P0041 OBD II Trouble Code O2 Sensor Signals Swapped Bank 1 Bank 2 Sensor 2

Symptoms of P0041 OBD II Trouble Code

  • Malfunction indicator lamp (MIL) illuminated solid or flashing
  • Decreased engine power or rough running/idle
  • Increased fuel consumption

Common Causes of P0041 OBD II Trouble Code

  • Oxygen sensors #2 wiring connectors swapped from bank to bank (most likely)
  • O2 sensors #2 wiring crossed, damaged, and/or shorted
  • Failed PCM (less likely)