P0848 Buick Transmission Fluid Pressure Sensor / Switch B Circuit High

P0849 Buick Transmission Fluid Pressure Sensor / Switch B Circuit Intermittent OBD Code: System: Subsystem:  P0849 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch B Circuit Intermittent Location: Analysis: Possible Causes:  Switch B  Circuit Sporatic / Not Continuous   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…

P0849 Buick Transmission Fluid Pressure Sensor / Switch B Circuit Intermittent

P084A Buick Transmission Fluid Pressure Sensor / Switch H Circuit OBD Code: System: Subsystem:  P084A Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch H Circuit Location: Analysis: Possible Causes:  Switch H  Circuit Issue   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick…

P084A Buick Transmission Fluid Pressure Sensor / Switch H Circuit

P084B Buick Transmission Fluid Pressure Sensor / Switch H Circuit Range / Performance OBD Code: System: Subsystem:  P084B Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch H Circuit Range / Performance Location: Analysis: Possible Causes:  Switch H  Out of Expected Range   Tech description: Buick Vehicle:Buick Regal – ?Buick…

P0844 Buick Transmission Fluid Pressure Sensor / Switch A Circuit Intermittent

P0845 Buick Transmission Fluid Pressure Sensor B Possible causes – Transmission Fluid Pressure Sensor B harness is open or shorted – Transmission Fluid Pressure Sensor B poor electrical connection – Faulty Transmission Fluid Pressure Sensor B – Transmission Valve Bosy Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0845 Buick Description The…

P0845 Buick Transmission Fluid Pressure Sensor B

P0846 Buick 2-4 or 2C Pressure Switch Rationality Possible causes – Faulty Pressure Switch Rationality – Pressure Switch Rationality harness is open or shorted – Pressure Switch Rationality circuit poor electrical connection – Internal transmission damage – Faulty Engine Control Module (ECM) – Faulty Transmission Control Module (TCM) Symptoms – Engine Light ON (or Service…

P0846 Buick 2-4 or 2C Pressure Switch Rationality

P0847 Buick Transmission Fluid Pressure Sensor / Switch B Circuit Low OBD Code: System: Subsystem:  P0847 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch B Circuit Low Location: Analysis: Possible Causes:  Switch B  End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick…

P0842 Buick Transmission Fluid Pressure Sensor / Switch A Circuit Low

P0843 Buick Transmission Fluid Pressure Sensor / Switch A Circuit High OBD Code: System: Subsystem:  P0843 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch A Circuit High Location: Analysis: Possible Causes:  Switch A  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick…

P0843 Buick Transmission Fluid Pressure Sensor / Switch A Circuit High

P0844 Buick Transmission Fluid Pressure Sensor / Switch A Circuit Intermittent OBD Code: System: Subsystem:  P0844 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch A Circuit Intermittent Location: Analysis: Possible Causes:  Switch A  Circuit Sporatic / Not Continuous   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…

P083E Buick Transmission Fluid Pressure Sensor / Switch G Circuit Intermittent

P083F Buick Clutch Pedal Switch A / B Correlation OBD Code: System: Subsystem:  P083F Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Clutch Pedal Switch A / B Correlation Location: Analysis: Possible Causes:  Switch A / B     Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick –…

P083F Buick Clutch Pedal Switch A / B Correlation

P0840 Buick Transmission Fluid Pressure Sensor A Possible causes – Transmission Fluid Pressure Sensor A harness is open or shorted – Transmission Fluid Pressure Sensor A poor electrical connection – Faulty Transmission Fluid Pressure Sensor A – Transmission Valve Body Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0840 Buick Description The…

P0840 Buick Transmission Fluid Pressure Sensor A

P0841 Buick LR Pressure Switch Rationality Fault Possible causes – Transmission Solenoid/Pressure Switch harness is open or shorted – Transmission Solenoid/Pressure Switch circuit poor electrical connection – Faulty Transmission Solenoid/Pressure Switch – Internal transmission damage – Faulty Engine Control Module (ECM) – Faulty Transmission Control Module (TCM) Symptoms – Engine Light ON (or Service Engine…

P0841 Buick LR Pressure Switch Rationality Fault

P0842 Buick Transmission Fluid Pressure Sensor / Switch A Circuit Low OBD Code: System: Subsystem:  P0842 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch A Circuit Low Location: Analysis: Possible Causes:  Switch A  End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick…

P083A Buick Transmission Fluid Pressure Sensor / Switch G Circuit

P083B Buick Transmission Fluid Pressure Sensor / Switch G Circuit Range / Performance OBD Code: System: Subsystem:  P083B Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch G Circuit Range / Performance Location: Analysis: Possible Causes:  Switch G  Out of Expected Range   Tech description: Buick Vehicle:Buick Regal – ?Buick…

P083B Buick Transmission Fluid Pressure Sensor / Switch G Circuit Range / Performance

P083C Buick Transmission Fluid Pressure Sensor / Switch G Circuit Low OBD Code: System: Subsystem:  P083C Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch G Circuit Low Location: Analysis: Possible Causes:  Switch G  End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick…

P083C Buick Transmission Fluid Pressure Sensor / Switch G Circuit Low

P083D Buick Transmission Fluid Pressure Sensor / Switch G Circuit High OBD Code: System: Subsystem:  P083D Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch G Circuit High Location: Analysis: Possible Causes:  Switch G  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick…

P083D Buick Transmission Fluid Pressure Sensor / Switch G Circuit High

P083E Buick Transmission Fluid Pressure Sensor / Switch G Circuit Intermittent OBD Code: System: Subsystem:  P083E Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch G Circuit Intermittent Location: Analysis: Possible Causes:  Switch G  Circuit Sporatic / Not Continuous   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…

P0835 Buick Clutch Pedal Switch B Circuit High

P0836 Buick Four Wheel Drive (4WD) Switch Circuit OBD Code: System: Subsystem:  P0836 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Four Wheel Drive (4WD) Switch Circuit Location: Analysis: Possible Causes:    Circuit Issue   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick…

P0836 Buick Four Wheel Drive (4WD) Switch Circuit

P0837 Buick Four Wheel Drive (4WD) Switch Circuit Range / Performance OBD Code: System: Subsystem:  P0837 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Four Wheel Drive (4WD) Switch Circuit Range / Performance Location: Analysis: Possible Causes:    Out of Expected Range   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P0837 Buick Four Wheel Drive (4WD) Switch Circuit Range / Performance

P0838 Buick Four Wheel Drive (4WD) Switch Circuit Low OBD Code: System: Subsystem:  P0838 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Four Wheel Drive (4WD) Switch Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P0838 Buick Four Wheel Drive (4WD) Switch Circuit Low

P0839 Buick Four Wheel Drive (4WD) Switch Circuit High OBD Code: System: Subsystem:  P0839 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Four Wheel Drive (4WD) Switch Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…