P0041 Atención pronto

O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2

Powertrain

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Descripción

This code indicates that the engine computer has detected that the signals from the oxygen sensors in Bank 1 Sensor 2 and Bank 2 Sensor 2 have been swapped. These sensors monitor the catalytic converter's efficiency.

Causas comunes

  • Oxygen sensors installed incorrectly
  • Wiring harness issue
  • Faulty oxygen sensors
  • PCM (Powertrain Control Module) issue

Síntomas

  • Check Engine Light is on
  • Reduced fuel economy
  • Increased emissions
  • Catalytic converter inefficiency detected

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