P22A3

Nitrogen oxides (NOx) sensor 2, bank 1, heater control – open circuit

DTC P22A3, sometimes indicated as P22A300 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the air/fuel mixture causing nitrogen oxides (nox) sensor 2, bank 1, heater control – open circuit.

  • P22A3: Nitrogen oxides (NOx) sensor 2, bank 1, heater control – open circuit
  • P22A3 00: Nitrogen oxides (NOx) sensor 2, bank 1, heater control - open circuit

DTC Trouble Code Search
Previous Code: P22A2 | Next Code: P22A4