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Home >> Ford >> 2005 >> Escape Hybrid, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls - Powertrain DTC Charts & Description (Except Diesel & Hybrid)) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> DTC P0041: Downstream Oxygen Sensors Swapped from Bank to Bank (HO2S-12-22)

DTC P0041: Downstream Oxygen Sensors Swapped from Bank to Bank (HO2S-12-22)

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P0041 - DOWNSTREAM OXYGEN SENSORS SWAPPED FROM BANK TO BANK (HO2S-12-22)

Description:  The heated oxygen sensor (HO2S) monitor determines if the HO2S signal response for a fuel shift corresponds to the correct engine bank. The test fails when a response from the HO2S being tested is not indicated.
Possible Causes: 
  • Crossed HO2S harness connectors (downstream).
  • Crossed HO2S wiring at the harness connectors (downstream).
  • Crossed HO2S wiring at the PCM connectors (downstream)
Diagnostic Aids:  Connect the HO2S connector to the correct bank.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All - GO to H: Fuel Control STEP H60. -