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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Engine Controls - Powertrain DTC Charts & Descriptions (Diesel)) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> DTC P229E: NOX Sensor Circuit (Bank 1 Sensor 2)

DTC P229E: NOX Sensor Circuit (Bank 1 Sensor 2)

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
DTC P229E: NOX SENSOR CIRCUIT (BANK 1 SENSOR 2)

Description:  This DTC sets when a concern with one of the circuits used to determine the oxygen (O2) content or the nitrogen oxide (NOx) content in the exhaust gas is detected.
Possible Causes: 
  • Damaged nitrogen oxides bank 1, sensor 2 (NOx12) sensor harness
  • Damaged NOx12 sensor
Diagnostic Aids:  The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning message has cleared from the instrument cluster message center.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST RD .