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Home >> Ford >> 2022 >> Transit Connect Titanium, Gas/Ethanol >> Repair and Diagnosis >> External Pages >> Different car >> Section 760 (Engine Controls - Powertrain DTC Descriptions (Except Diesel & Hybrid) - DTC P2163 - P3404, DTC PXXXX, DTC U0046 - U300C, DTC UXXXX) >> DTC P2254 - O2 Sensor Negative Current Control Circuit/Open (Bank 2 Sensor 1)

DTC P2254 - O2 Sensor Negative Current Control Circuit/Open (Bank 2 Sensor 1)

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DTC DESCRIPTION P2254 - O2 SENSOR NEGATIVE CURRENT CONTROL CIRCUIT/OPEN (BANK 2 SENSOR 1)

Description:  This DTC sets when a concern is detected with the circuit used to determine the oxygen content in the exhaust gas.
Possible Causes: 
  • UO2SGREF2circuit open
  • Damaged universal heated oxygen sensor bank 2, sensor (HO2S21)
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DZ .