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Home >> Ford >> 2018 >> Transit-150 Base, 3.2L Eng VIN V >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Diesel) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> DTC P0140 - O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
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DTC P0140 - O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)

P0140 - O2 SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 1 SENSOR 2)

Description:  The nitrogen oxides bank 1, sensor 2 (NOx12) module monitors the NOx12 sensor oxygen (O2) signal for a lack of movement concern. This DTC sets when the actual O2 signal value does not change from the default O2 signal value.
Possible Causes: 
  • Corrosion
  • Incorrect connections
  • Radio frequency interference or electromagnetic interference
  • Contaminated NOx12 sensor
  • Damaged NOx12 sensor
Diagnostic Aids: 
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST RD .