P2467 Buick Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 3 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…
Category: Buick
P2461 Buick Diesel Particulate Filter Pressure Sensor B Circuit High
P2462 Buick Diesel Particulate Filter Pressure Sensor B Circuit Intermittent/Erratic 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 –…
P2462 Buick Diesel Particulate Filter Pressure Sensor B Circuit Intermittent/Erratic
P2463 Buick Diesel Particulate Filter – Soot Accumulation
P2463 Buick Diesel Particulate Filter – Soot Accumulation
P2464 Buick Diesel Particulate Filter Differential Pressure Too Low Bank 2 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…
P245D Buick Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit High
P245E Buick Diesel Particulate Filter Pressure Sensor B 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…
P245E Buick Diesel Particulate Filter Pressure Sensor B Circuit
P245F Buick ISO / SAE reserved OBD Code: System: Subsystem: P245F Buick – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: ISO / SAE reserved Location: Analysis: Possible Causes: Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre…
P245F Buick ISO / SAE reserved
P2460 Buick Diesel Particulate Filter Pressure Sensor B Circuit Low 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 –…
P2460 Buick Diesel Particulate Filter Pressure Sensor B Circuit Low
P2461 Buick Diesel Particulate Filter Pressure Sensor B Circuit High 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 –…
P245C Buick Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit Low
P245D Buick Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit High OBD Code: System: Subsystem: P245D Buick – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit High Location: Analysis: Possible Causes: End of Range – Circuit Higher Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick…
P245A Buick Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit / Open
P245B Buick Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit Range / Performance OBD Code: System: Subsystem: P245B Buick – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit Range / Performance Location: Analysis: Possible Causes: Out of Expected Range Tech description: Buick Vehicle:Buick Regal – ?Buick…
P245B Buick Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit Range / Performance
P245C Buick Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit Low OBD Code: System: Subsystem: P245C Buick – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit Low Location: Analysis: Possible Causes: End of Range – Circuit Lower Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick…
P2457 Buick Exhaust Gas Recirculation (EGR) Cooling System Performance
P2458 Buick Diesel Particulate Filter Regeneration Duration OBD Code: System: Subsystem: P2458 Buick – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Diesel Particulate Filter Regeneration Duration Location: Analysis: Possible Causes: Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse –…
P2458 Buick Diesel Particulate Filter Regeneration Duration
P2459 Buick Diesel Particulate Filter Regeneration Frequency Possible causes – Exhaust leak – Improperly installed or loose Exhaust Gas Temperature (EGT) – Low engine compression – Corroed fuel injector – Water in the fuel system What about the obd code? The P2459 Buick will set if the Engine Control Module (ECM) detects that the average…
P2459 Buick Diesel Particulate Filter Regeneration Frequency
P245A Buick Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit / Open OBD Code: System: Subsystem: P245A Buick – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit / Open Location: Analysis: Possible Causes: Open Circuit Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…
P2453 Buick Diesel Particulate Filter Differential Pressure Sensor Circuit Range / Performance
P2454 Buick Diesel Particulate Filter Differential Pressure Sensor Circuit Low OBD Code: System: Subsystem: P2454 Buick – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Diesel Particulate Filter Differential Pressure Sensor Circuit Low Location: Analysis: Possible Causes: End of Range – Circuit Lower Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…
P2454 Buick Diesel Particulate Filter Differential Pressure Sensor Circuit Low
P2455 Buick Diesel Particulate Filter Differential Pressure Sensor Circuit High OBD Code: System: Subsystem: P2455 Buick – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Diesel Particulate Filter Differential Pressure Sensor Circuit High Location: Analysis: Possible Causes: End of Range – Circuit Higher Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…
P2455 Buick Diesel Particulate Filter Differential Pressure Sensor Circuit High
P2456 Buick Diesel Particulate Filter Differential Pressure Sensor Circuit Intermittent / Erratic OBD Code: System: Subsystem: P2456 Buick – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Diesel Particulate Filter Differential Pressure Sensor Circuit Intermittent / Erratic Location: Analysis: Possible Causes: Periodically Unstable Circuit Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…
P2456 Buick Diesel Particulate Filter Differential Pressure Sensor Circuit Intermittent / Erratic
P2457 Buick Exhaust Gas Recirculation (EGR) Cooling System Performance OBD Code: System: Subsystem: P2457 Buick – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Recirculation (EGR) Cooling System Performance Location: Analysis: Possible Causes: Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century…
P2450 Buick Evaporative Emission (EVAP) System Switching Valve Performance / Stuck Open
P2451 Buick Evaporative Emission (EVAP) System Switching Valve Stuck Closed OBD Code: System: Subsystem: P2451 Buick – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Switching Valve Stuck Closed Location: Analysis: Possible Causes: Stuck Closed Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick…
P2451 Buick Evaporative Emission (EVAP) System Switching Valve Stuck Closed
P2452 Buick Diesel Particulate Filter Differential Pressure Sensor Circuit OBD Code: System: Subsystem: P2452 Buick – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Diesel Particulate Filter Differential Pressure Sensor Circuit Location: Analysis: Possible Causes: Circuit Issue Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick…