Category: OBDii Powertrain Codes

P2230 Barometric Pressure Circuit Intermittent OBD Code: System: Subsystem:  P2230 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Barometric Pressure Circuit Intermittent Location: Analysis: Possible Causes:    Circuit Sporatic / Not Continuous   Tech description:

P2231 Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 1) OBD Code: System: Subsystem:  P2231 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 1) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 1 – Sensor 1…

P2232 Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 2) OBD Code: System: Subsystem:  P2232 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 2) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 1 – Sensor 2…

P2233 Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 3) OBD Code: System: Subsystem:  P2233 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 3) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 1 – Sensor 3…

P2234 Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 1) OBD Code: System: Subsystem:  P2234 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 1) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 2 – Sensor 1…

P2235 Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 2) OBD Code: System: Subsystem:  P2235 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 2) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 2 – Sensor 2…

P2226 Barometric Pressure Circuit OBD Code: System: Subsystem:  P2226 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Barometric Pressure Circuit Location: Analysis: Possible Causes:    Circuit Issue   Tech description:

P2227 Barometric Pressure Sensor Range/Performance Problem Possible causes – Engine Control Module (ECM) outdated or incorrect software – Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) – Engine rough idle – Engine hesitation P2227 Description The Barometric Pressure (BARO) sensor is inside the Engine Control Module (ECM)….

P2228 Barometric Pressure Circuit Low OBD Code: System: Subsystem:  P2228 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Barometric Pressure Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2229 Barometric Pressure (BARO) Sensor Circuit High Voltage Possible causes – BARO sensor malfunction – Connector or terminal malfunction – Open circuit in wiring between BARO sensor and PCM – Short to power circuit in wiring between BARO sensor and PCM – Powertrain Control Module (PCM) malfunction P2229 Description Powertrain Control Module (PCM) monitors input…

P2225 Nitrogen Oxides (NOx) Sensor Heater Sensore Circuit Intermittent (Bank 2) OBD Code: System: Subsystem:  P2225 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Nitrogen Oxides (NOx) Sensor Heater Sensore Circuit Intermittent (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Circuit Sporatic / Not Continuous   Tech description:

P2220 Nitrogen Oxides (NOx) Sensor Heater Control Circuit High (Bank 2) OBD Code: System: Subsystem:  P2220 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Nitrogen Oxides (NOx) Sensor Heater Control Circuit High (Bank 2) Location: Analysis: Possible Causes:  Bank 2  End of Range – Circuit Higher Than Expected   Tech description:

P2221 Nitrogen Oxides (NOx) Sensor Heater Sensore Circuit (Bank 2) OBD Code: System: Subsystem:  P2221 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Nitrogen Oxides (NOx) Sensor Heater Sensore Circuit (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Circuit Issue   Tech description:

P2222 Nitrogen Oxides (NOx) Sensor Heater Sensore Circuit Range / Performance (Bank 2) OBD Code: System: Subsystem:  P2222 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Nitrogen Oxides (NOx) Sensor Heater Sensore Circuit Range / Performance (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Out of Expected Range   Tech description: