P2248 Buick Oxygen (O2) Sensor Reference Voltage Performance (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2248 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Reference Voltage Performance (Bank 2 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor 1 Tech description:…
Category: Buick
P2248 Buick Oxygen (O2) Sensor Reference Voltage Performance (Bank 2 – Sensor 1)
P2249 Buick Oxygen (O2) Sensor Reference Voltage Circuit Low (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2249 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Reference Voltage Circuit Low (Bank 2 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor 1 End of…
P2249 Buick Oxygen (O2) Sensor Reference Voltage Circuit Low (Bank 2 – Sensor 1)
P2250 Buick Oxygen (O2) Sensor Reference Voltage Circuit High (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2250 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Reference Voltage Circuit High (Bank 2 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor 1 End of…
P2243 Buick Oxygen (O2) Sensor Reference Voltage Circuit / Open (Bank 1 – Sensor 1)
P2244 Buick Oxygen (O2) Sensor Reference Voltage Performance (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2244 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Reference Voltage Performance (Bank 1 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 1 Tech description:…
P2244 Buick Oxygen (O2) Sensor Reference Voltage Performance (Bank 1 – Sensor 1)
P2245 Buick Oxygen (O2) Sensor Reference Voltage Circuit Low (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2245 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Reference Voltage Circuit Low (Bank 1 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 1 End of…
P2245 Buick Oxygen (O2) Sensor Reference Voltage Circuit Low (Bank 1 – Sensor 1)
P2246 Buick Oxygen (O2) Sensor Reference Voltage Circuit High (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2246 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Reference Voltage Circuit High (Bank 1 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 1 End of…
P2246 Buick Oxygen (O2) Sensor Reference Voltage Circuit High (Bank 1 – Sensor 1)
P2247 Buick Oxygen (O2) Sensor Reference Voltage Circuit / Open (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2247 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Reference Voltage Circuit / Open (Bank 2 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor 1…
P2240 Buick Oxygen (O2) Sensor Positive Current Control Circuit / Open (Bank 2 – Sensor 1)
P2241 Buick Oxygen (O2) Sensor Positive Current Control Circuit Low (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2241 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Positive Current Control Circuit Low (Bank 2 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor 1…
P2241 Buick Oxygen (O2) Sensor Positive Current Control Circuit Low (Bank 2 – Sensor 1)
P2242 Buick Oxygen (O2) Sensor Positive Current Control Circuit High (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2242 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Positive Current Control Circuit High (Bank 2 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor 1…
P2242 Buick Oxygen (O2) Sensor Positive Current Control Circuit High (Bank 2 – Sensor 1)
P2243 Buick Oxygen (O2) Sensor Reference Voltage Circuit / Open (Bank 1 – Sensor 1) Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 1– Heated Oxygen Sensor Bank 1 Sensor 1 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or…
P2238 Buick Oxygen (O2) Sensor Positive Current Control Circuit Low (Bank 1 – Sensor 1)
P2239 Buick Oxygen (O2) Sensor Positive Current Control Circuit High (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2239 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Positive Current Control Circuit High (Bank 1 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 1…
P2239 Buick Oxygen (O2) Sensor Positive Current Control Circuit High (Bank 1 – Sensor 1)
P2240 Buick Oxygen (O2) Sensor Positive Current Control Circuit / Open (Bank 2 – Sensor 1) Possible causes – Air/Fuel Ratio Sensor Bank 2 harness is open or shorted – Air/Fuel Ratio Sensor Bank 2 circuit poor electrical connection – Faulty Air/Fuel Ratio Sensor Bank 2 – Inappropriate fuel pressure – Faulty fuel injectors –…
P2236 Buick Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 3)
P2237 Buick Oxygen (O2) Sensor Positive Current Control Circuit / Open (Bank 1 – Sensor 1) Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 1– Heated Oxygen Sensor Bank 1 Sensor 1 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON…
P2237 Buick Oxygen (O2) Sensor Positive Current Control Circuit / Open (Bank 1 – Sensor 1)
P2238 Buick Oxygen (O2) Sensor Positive Current Control Circuit Low (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2238 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Positive Current Control Circuit Low (Bank 1 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 1…
P2233 Buick Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 3)
P2234 Buick Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2234 Buick – (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 –…
P2234 Buick Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 1)
P2235 Buick Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 2) OBD Code: System: Subsystem: P2235 Buick – (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 –…
P2235 Buick Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 2)
P2236 Buick Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 3) OBD Code: System: Subsystem: P2236 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 3) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 –…
P222F Buick Barometric Pressure Sensor A/B Correlation
P2230 Buick Barometric Pressure Circuit Intermittent OBD Code: System: Subsystem: P2230 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Barometric Pressure Circuit Intermittent Location: Analysis: Possible Causes: Circuit Sporatic / Not Continuous Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century –…
P2230 Buick Barometric Pressure Circuit Intermittent
P2231 Buick Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2231 Buick – (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 –…
P2231 Buick Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 1)
P2232 Buick Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 2) OBD Code: System: Subsystem: P2232 Buick – (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 –…