Category: OBDii Powertrain Codes

P2273 Oxygen (O2) Sensor Signalstuck Rich (Bank 2 – Sensor 2) OBD Code: System: Subsystem:  P2273 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Signalstuck Rich (Bank 2 – Sensor 2) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 2 – Sensor 2  Stuck Rich   Tech description:

P2270 O2 Sensor Signal Stuck Lean Bank 1 Sensor 2 Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 2– Heated Oxygen Sensor Bank 1 Sensor 2 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)…

P2265 Water in Fuel Sensor Circuit Range / Performance OBD Code: System: Subsystem:  P2265 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Water in Fuel Sensor Circuit Range / Performance Location: Analysis: Possible Causes:    Out of Expected Range   Tech description:

P2266 Water in Fuel Sensor Circuit Low OBD Code: System: Subsystem:  P2266 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Water in Fuel Sensor Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2267 Water in Fuel Sensor Circuit High OBD Code: System: Subsystem:  P2267 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Water in Fuel Sensor Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description:

P2268 Water in Fuel Sensor Circuit Intermittent OBD Code: System: Subsystem:  P2268 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Water in Fuel Sensor Circuit Intermittent Location: Analysis: Possible Causes:    Circuit Sporatic / Not Continuous   Tech description:

P2269 Water in Fuel Condition OBD Code: System: Subsystem:  P2269 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Water in Fuel Condition Location: Analysis: Possible Causes:       Tech description:

P2260 Secondary Air Injection System Control B Circuit High OBD Code: System: Subsystem:  P2260 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Secondary Air Injection System Control B Circuit High Location: Analysis: Possible Causes:  Control B  End of Range – Circuit Higher Than Expected   Tech description:

P2261 Turbocharger / Supercharger Bypass Valve Mechanical OBD Code: System: Subsystem:  P2261 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Turbocharger / Supercharger Bypass Valve Mechanical Location: Analysis: Possible Causes:    Mechanical Malfunction   Tech description:

P2262 Turbocharger/Supercharger Boost Pressure Not Detected – Mechanical Possible causes – Faulty ICP sensor– EGR system fault– Engine mechanical condition What about the obd code? The ECM has detected a fault in the Turbo/Supercharger Boost System Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P2263 Turbocharger / Supercharger Boost System Performance OBD Code: System: Subsystem:  P2263 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Turbocharger / Supercharger Boost System Performance Location: Analysis: Possible Causes:       Tech description:

P2264 Water in Fuel Sensor Circuit OBD Code: System: Subsystem:  P2264 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Water in Fuel Sensor Circuit Location: Analysis: Possible Causes:    Circuit Issue   Tech description:

P2258 Secondary Air Injection System Control A Circuit High Possible causes – Air Injection Pump Relay harness is open or shorted– Air Injection Pump Relay circuit poor electrical connection– Faulty Air Injection Pump Relay Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P2259 Secondary Air Injection System Control B Circuit Low OBD Code: System: Subsystem:  P2259 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Secondary Air Injection System Control B Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2256 Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1) OBD Code: System: Subsystem:  P2256 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 2 – Sensor 1  End of…

P2257 Secondary Air Injection System Control A Circuit Low OBD Code: System: Subsystem:  P2257 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Secondary Air Injection System Control A Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2251 Oxygen (O2) Sensor Negative Current Control Circuit / Open (Bank 1 – Sensor 1) Possible causes – Rear Air/Fuel Ratio Sensor Bank 1 Sensor 1 harness is open or shorted– Rear Air/Fuel Ratio Sensor Bank 1 Sensor 1 circuit poor electrical connection– Faulty Rear Air/Fuel Ratio Sensor Bank 1 Sensor 1 Symptoms – Engine…