P205F Buick Reductant System Performance Bank 2

P2060 Buick Reductant Injection Air Pump Control Circuit Low OBD Code: System: Subsystem:  P2060 Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Injection Air Pump Control Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick…

P2060 Buick Reductant Injection Air Pump Control Circuit Low

P2061 Buick Reductant Injection Air Pump Control Circuit High OBD Code: System: Subsystem:  P2061 Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Injection Air Pump Control Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick…

P2059 Buick O2 Sensor Signal Circuit Signal Voltage Too High

P205A Buick Reductant Tank Temperature Sensor Circuit OBD Code: System: Subsystem:  P205A Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Tank Temperature Sensor Circuit Location: Analysis: Possible Causes:    Circuit Issue   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick…

P205A Buick Reductant Tank Temperature Sensor Circuit

P205B Buick Reductant Tank Temperature Sensor Circuit Range / Performance OBD Code: System: Subsystem:  P205B Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Tank Temperature Sensor Circuit Range / Performance Location: Analysis: Possible Causes:    Out of Expected Range   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P205B Buick Reductant Tank Temperature Sensor Circuit Range / Performance

P205C Buick Reductant Tank Temperature Sensor Circuit Low OBD Code: System: Subsystem:  P205C Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Tank Temperature Sensor Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P205C Buick Reductant Tank Temperature Sensor Circuit Low

P205D Buick Reductant Tank Temperature Sensor Circuit High OBD Code: System: Subsystem:  P205D Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Tank Temperature Sensor Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P2056 Buick Reductant Injector Circuit / Open (Bank 2) Unit 2

P2057 Buick Reductant Injector Circuit Low (Bank 2) Unit 2 OBD Code: System: Subsystem:  P2057 Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Injector Circuit Low (Bank 2) Unit 2 Location: Analysis: Possible Causes:  Bank 2  End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick…

P2057 Buick Reductant Injector Circuit Low (Bank 2) Unit 2

P2058 Buick Reductant Injector Circuit High (Bank 2) Unit 2 OBD Code: System: Subsystem:  P2058 Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Injector Circuit High (Bank 2) Unit 2 Location: Analysis: Possible Causes:  Bank 2  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick…

P2058 Buick Reductant Injector Circuit High (Bank 2) Unit 2

P2059 Buick O2 Sensor Signal Circuit Signal Voltage Too High Possible causes – Faulty O2 Sensor– O2 Sensor harness open or shorted– O2 Sensor circuit poor electrical connection What about the obd code? The ECM has detected a plausibility fault with the O2 sensor signal Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P2052 Buick Reductant Injector Circuit High (Bank 2) Unit 1

P2053 Buick Reductant Injector Circuit / Open (Bank 1) Unit 2 OBD Code: System: Subsystem:  P2053 Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Injector Circuit / Open (Bank 1) Unit 2 Location: Analysis: Possible Causes:  Bank 1  Open Circuit   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P2053 Buick Reductant Injector Circuit / Open (Bank 1) Unit 2

P2054 Buick Reductant Injector Circuit Low (Bank 1) Unit 2 OBD Code: System: Subsystem:  P2054 Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Injector Circuit Low (Bank 1) Unit 2 Location: Analysis: Possible Causes:  Bank 1  End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick…

P2054 Buick Reductant Injector Circuit Low (Bank 1) Unit 2

P2055 Buick Reductant Injector Circuit High (Bank 1) Unit 2 OBD Code: System: Subsystem:  P2055 Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Injector Circuit High (Bank 1) Unit 2 Location: Analysis: Possible Causes:  Bank 1  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick…

P2055 Buick Reductant Injector Circuit High (Bank 1) Unit 2

P2056 Buick Reductant Injector Circuit / Open (Bank 2) Unit 2 OBD Code: System: Subsystem:  P2056 Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Injector Circuit / Open (Bank 2) Unit 2 Location: Analysis: Possible Causes:  Bank 2  Open Circuit   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P2051 Buick Reductant Injector Circuit Low (Bank 2) Unit 1

P2052 Buick Reductant Injector Circuit High (Bank 2) Unit 1 OBD Code: System: Subsystem:  P2052 Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Injector Circuit High (Bank 2) Unit 1 Location: Analysis: Possible Causes:  Bank 2  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick…

P204F Buick Reductant System Performance Bank 1

P2050 Buick Reductant Injector Circuit / Open (Bank 2) Unit 1 OBD Code: System: Subsystem:  P2050 Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Injector Circuit / Open (Bank 2) Unit 1 Location: Analysis: Possible Causes:  Bank 2  Open Circuit   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P2050 Buick Reductant Injector Circuit / Open (Bank 2) Unit 1

P2051 Buick Reductant Injector Circuit Low (Bank 2) Unit 1 OBD Code: System: Subsystem:  P2051 Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Injector Circuit Low (Bank 2) Unit 1 Location: Analysis: Possible Causes:  Bank 2  End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick…

P204B Buick Reductant Pressure Sensor Circuit Range / Performance

P204C Buick Reductant Pressure Sensor Circuit Low OBD Code: System: Subsystem:  P204C Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Pressure Sensor Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…

P204C Buick Reductant Pressure Sensor Circuit Low

P204D Buick Reductant Pressure Sensor Circuit High OBD Code: System: Subsystem:  P204D Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Pressure Sensor Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…

P204D Buick Reductant Pressure Sensor Circuit High

P204E Buick Reductant Pressure Sensor Circuit Intermittent / Erratic OBD Code: System: Subsystem:  P204E Buick – (ASE)  Powertrain  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Reductant Pressure Sensor Circuit Intermittent / Erratic Location: Analysis: Possible Causes:    Periodically Unstable Circuit   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P204E Buick Reductant Pressure Sensor Circuit Intermittent / Erratic

P204F Buick Reductant System Performance Bank 1 P204F Buick Information for specific makes 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 –…