P226A Buick Water in Fuel Lamp Control Circuit Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous…
Category: Buick
P2267 Buick Water in Fuel Sensor Circuit High
P2268 Buick Water in Fuel Sensor Circuit Intermittent OBD Code: System: Subsystem: P2268 Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick…
P2263 Buick Turbocharger / Supercharger Boost System Performance
P2264 Buick Water in Fuel Sensor Circuit OBD Code: System: Subsystem: P2264 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Water in Fuel Sensor Circuit Location: Analysis: Possible Causes: Circuit Issue Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick…
P2264 Buick Water in Fuel Sensor Circuit
P2265 Buick Water in Fuel Sensor Circuit Range / Performance OBD Code: System: Subsystem: P2265 Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…
P2265 Buick Water in Fuel Sensor Circuit Range / Performance
P2266 Buick Water in Fuel Sensor Circuit Low OBD Code: System: Subsystem: P2266 Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…
P2266 Buick Water in Fuel Sensor Circuit Low
P2267 Buick Water in Fuel Sensor Circuit High OBD Code: System: Subsystem: P2267 Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…
P2260 Buick Secondary Air Injection System Control B Circuit High
P2261 Buick Turbocharger / Supercharger Bypass Valve Mechanical OBD Code: System: Subsystem: P2261 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Turbocharger / Supercharger Bypass Valve Mechanical Location: Analysis: Possible Causes: Mechanical Malfunction Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century…
P2261 Buick Turbocharger / Supercharger Bypass Valve Mechanical
P2262 Buick 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) Buick Vehicle:Buick Regal – ?Buick Riviera –…
P2262 Buick Turbocharger/Supercharger Boost Pressure Not Detected – Mechanical
P2263 Buick Turbocharger / Supercharger Boost System Performance OBD Code: System: Subsystem: P2263 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Turbocharger / Supercharger Boost System Performance Location: Analysis: Possible Causes: Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century –…
P2257 Buick Secondary Air Injection System Control A Circuit Low
P2258 Buick 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) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…
P2258 Buick Secondary Air Injection System Control A Circuit High
P2259 Buick Secondary Air Injection System Control B Circuit Low OBD Code: System: Subsystem: P2259 Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera…
P2259 Buick Secondary Air Injection System Control B Circuit Low
P225A Buick NOx Sensor Calibration Memory (Bank 1 Sensor 1) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier –…
P225A Buick NOx Sensor Calibration Memory (Bank 1 Sensor 1)
P2260 Buick Secondary Air Injection System Control B Circuit High OBD Code: System: Subsystem: P2260 Buick – (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: Buick Vehicle:Buick Regal – ?Buick…
P2254 Buick Oxygen (O2) Sensor Negative Current Control Circuit / Open (Bank 2 – Sensor 1)
P2255 Buick Oxygen (O2) Sensor Negative Current Control Circuit Low (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2255 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Negative Current Control Circuit Low (Bank 2 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor 1…
P2255 Buick Oxygen (O2) Sensor Negative Current Control Circuit Low (Bank 2 – Sensor 1)
P2256 Buick Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2256 Buick – (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…
P2256 Buick Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1)
P2257 Buick Secondary Air Injection System Control A Circuit Low OBD Code: System: Subsystem: P2257 Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera…
P2253 Buick Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 1 – Sensor 1)
P2254 Buick Oxygen (O2) Sensor Negative Current Control Circuit / Open (Bank 2 – Sensor 1) Possible causes – Rear Air/Fuel Ratio Sensor Bank 2 Sensor 1 harness is open or shorted– Rear Air/Fuel Ratio Sensor Bank 2 Sensor 1 circuit poor electrical connection– Faulty Rear Air/Fuel Ratio Sensor Bank 2 Sensor 1 Symptoms –…
P2250 Buick Oxygen (O2) Sensor Reference Voltage Circuit High (Bank 2 – Sensor 1)
P2251 Buick 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 –…
P2251 Buick Oxygen (O2) Sensor Negative Current Control Circuit / Open (Bank 1 – Sensor 1)
P2252 Buick Oxygen (O2) Sensor Negative Current Control Circuit Low (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2252 Buick – (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…
P2252 Buick Oxygen (O2) Sensor Negative Current Control Circuit Low (Bank 1 – Sensor 1)
P2253 Buick Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2253 Buick – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 1 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 1…