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Home >> Ford >> 2018 >> Mustang EcoBoost, 2D Convertible, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> DTC P2A04 - O2 Sensor Circuit Range/Performance (Bank 2 Sensor 2)
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DTC P2A04 - O2 Sensor Circuit Range/Performance (Bank 2 Sensor 2)

P2A04 - O2 SENSOR CIRCUIT RANGE/PERFORMANCE (BANK 2 SENSOR 2)

Description:  This DTC sets when the heated oxygen sensor bank 2, sensor 2 (HO2S22) voltage is out of range low for a calibrated period of time.
Possible Causes: 
  • Crossed HO2S22 and SIGRTN circuits
  • Corrosion
  • Incorrect connections
  • Contaminated HO2S22
  • Deteriorating HO2S22
  • Damaged HO2S22
Diagnostic Aids:  Inspect the connectors for signs of damage, water intrusion or corrosion.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DW .