P2251 Cadillac 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 –…
Category: Cadillac
P2252 Cadillac Oxygen (O2) Sensor Negative Current Control Circuit Low (Bank 1 – Sensor 1)
P2252 Cadillac Oxygen (O2) Sensor Negative Current Control Circuit Low (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2252 Cadillac – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Negative Current Control Circuit Low (Bank 1 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 1…
P2245 Cadillac Oxygen (O2) Sensor Reference Voltage Circuit Low (Bank 1 – Sensor 1)
P2245 Cadillac Oxygen (O2) Sensor Reference Voltage Circuit Low (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2245 Cadillac – (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…
P2246 Cadillac Oxygen (O2) Sensor Reference Voltage Circuit High (Bank 1 – Sensor 1)
P2246 Cadillac Oxygen (O2) Sensor Reference Voltage Circuit High (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2246 Cadillac – (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…
P2247 Cadillac Oxygen (O2) Sensor Reference Voltage Circuit / Open (Bank 2 – Sensor 1)
P2247 Cadillac Oxygen (O2) Sensor Reference Voltage Circuit / Open (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2247 Cadillac – (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…
P2248 Cadillac Oxygen (O2) Sensor Reference Voltage Performance (Bank 2 – Sensor 1)
P2248 Cadillac Oxygen (O2) Sensor Reference Voltage Performance (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2248 Cadillac – (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:…
P2242 Cadillac Oxygen (O2) Sensor Positive Current Control Circuit High (Bank 2 – Sensor 1)
P2242 Cadillac Oxygen (O2) Sensor Positive Current Control Circuit High (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2242 Cadillac – (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…
P2243 Cadillac Oxygen (O2) Sensor Reference Voltage Circuit / Open (Bank 1 – Sensor 1)
P2243 Cadillac 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…
P2244 Cadillac Oxygen (O2) Sensor Reference Voltage Performance (Bank 1 – Sensor 1)
P2244 Cadillac Oxygen (O2) Sensor Reference Voltage Performance (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2244 Cadillac – (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:…
P2238 Cadillac Oxygen (O2) Sensor Positive Current Control Circuit Low (Bank 1 – Sensor 1)
P2238 Cadillac Oxygen (O2) Sensor Positive Current Control Circuit Low (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2238 Cadillac – (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…
P2239 Cadillac Oxygen (O2) Sensor Positive Current Control Circuit High (Bank 1 – Sensor 1)
P2239 Cadillac Oxygen (O2) Sensor Positive Current Control Circuit High (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2239 Cadillac – (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…
P2240 Cadillac Oxygen (O2) Sensor Positive Current Control Circuit / Open (Bank 2 – Sensor 1)
P2240 Cadillac 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 –…
P2241 Cadillac Oxygen (O2) Sensor Positive Current Control Circuit Low (Bank 2 – Sensor 1)
P2241 Cadillac Oxygen (O2) Sensor Positive Current Control Circuit Low (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2241 Cadillac – (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…
P2235 Cadillac Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 2)
P2235 Cadillac Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 2) OBD Code: System: Subsystem: P2235 Cadillac – (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 –…
P2236 Cadillac Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 3)
P2236 Cadillac Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 3) OBD Code: System: Subsystem: P2236 Cadillac – (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 –…
P2237 Cadillac Oxygen (O2) Sensor Positive Current Control Circuit / Open (Bank 1 – Sensor 1)
P2237 Cadillac 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…
P2231 Cadillac Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 1)
P2231 Cadillac Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2231 Cadillac – (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 –…
P2232 Cadillac Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 2)
P2232 Cadillac Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 2) OBD Code: System: Subsystem: P2232 Cadillac – (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 –…
P2233 Cadillac Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 3)
P2233 Cadillac Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 – Sensor 3) OBD Code: System: Subsystem: P2233 Cadillac – (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 –…
P2234 Cadillac Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 1)
P2234 Cadillac Oxygen (O2) Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2234 Cadillac – (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 –…