P0864 Buick Transmission Control Module (TCM) Communication Circuit Range / Performance OBD Code: System: Subsystem: P0864 Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Transmission Control Module (TCM) Communication Circuit Range / Performance Location: Analysis: Possible Causes: Out of Expected Range Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…
Category: Buick
P0859 Buick Traction Control Input Signal High
P085A Buick Gear Shift Module B Communication Circuit OBD Code: System: Subsystem: P085A Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Gear Shift Module B Communication Circuit Location: Analysis: Possible Causes: Module B Communication Circuit Issue Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century…
P085A Buick Gear Shift Module B Communication Circuit
P085B Buick Gear Shift Module B Communication Circuit Low OBD Code: System: Subsystem: P085B Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Gear Shift Module B Communication Circuit Low Location: Analysis: Possible Causes: Module B End of Range – Circuit Lower Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…
P085B Buick Gear Shift Module B Communication Circuit Low
P085C Buick Gear Shift Module B Communication Circuit High OBD Code: System: Subsystem: P085C Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Gear Shift Module B Communication Circuit High Location: Analysis: Possible Causes: Module B End of Range – Circuit Higher Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…
P085C Buick Gear Shift Module B Communication Circuit High
P0860 Buick Gear Shift Module A Communication Circuit OBD Code: System: Subsystem: P0860 Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Gear Shift Module A Communication Circuit Location: Analysis: Possible Causes: Module A Communication Circuit Issue Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century…
P0860 Buick Gear Shift Module A Communication Circuit
P0861 Buick Gear Shift Module A Communication Circuit Low OBD Code: System: Subsystem: P0861 Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Gear Shift Module A Communication Circuit Low Location: Analysis: Possible Causes: Module A End of Range – Circuit Lower Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…
P0855 Buick Drive Switch Input Circuit High
P0856 Buick Traction Control Input Signal OBD Code: System: Subsystem: P0856 Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Traction Control Input Signal Location: Analysis: Possible Causes: Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre –…
P0856 Buick Traction Control Input Signal
P0857 Buick Traction Control Input Signal Range / Performance OBD Code: System: Subsystem: P0857 Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Traction Control Input Signal Range / Performance Location: Analysis: Possible Causes: Out of Expected Range Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick –…
P0857 Buick Traction Control Input Signal Range / Performance
P0858 Buick Traction Control Input Signal Low OBD Code: System: Subsystem: P0858 Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Traction Control Input Signal Low Location: Analysis: Possible Causes: Signal Too Low Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse…
P0858 Buick Traction Control Input Signal Low
P0859 Buick Traction Control Input Signal High OBD Code: System: Subsystem: P0859 Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Traction Control Input Signal High Location: Analysis: Possible Causes: Signal Too High Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse…
P0851 Buick Park Natural (P/N) Switch Input Circuit Low
P0852 Buick Park Natural (P/N) Switch Input Circuit High OBD Code: System: Subsystem: P0852 Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Park Natural (P/N) Switch Input Circuit High Location: Analysis: Possible Causes: End of Range – Circuit Higher Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…
P0852 Buick Park Natural (P/N) Switch Input Circuit High
P0853 Buick Drive Switch Input Circuit OBD Code: System: Subsystem: P0853 Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Drive Switch Input Circuit Location: Analysis: Possible Causes: Circuit Issue Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre…
P0853 Buick Drive Switch Input Circuit
P0854 Buick Drive Switch Input Circuit Low OBD Code: System: Subsystem: P0854 Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Drive Switch Input Circuit Low Location: Analysis: Possible Causes: End of Range – Circuit Lower Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick –…
P0854 Buick Drive Switch Input Circuit Low
P0855 Buick Drive Switch Input Circuit High OBD Code: System: Subsystem: P0855 Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Drive Switch Input Circuit High Location: Analysis: Possible Causes: End of Range – Circuit Higher Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick –…
P0850 Buick Park/Neutral Switch
P0851 Buick Park Natural (P/N) Switch Input Circuit Low OBD Code: System: Subsystem: P0851 Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Park Natural (P/N) Switch Input Circuit Low Location: Analysis: Possible Causes: End of Range – Circuit Lower Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…
P084B Buick Transmission Fluid Pressure Sensor / Switch H Circuit Range / Performance
P084C Buick Transmission Fluid Pressure Sensor / Switch H Circuit Low OBD Code: System: Subsystem: P084C Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch H Circuit Low Location: Analysis: Possible Causes: Switch H End of Range – Circuit Lower Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick…
P084C Buick Transmission Fluid Pressure Sensor / Switch H Circuit Low
P084D Buick Transmission Fluid Pressure Sensor / Switch H Circuit High OBD Code: System: Subsystem: P084D Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch H Circuit High Location: Analysis: Possible Causes: Switch H End of Range – Circuit Higher Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick…
P084D Buick Transmission Fluid Pressure Sensor / Switch H Circuit High
P084E Buick Transmission Fluid Pressure Sensor / Switch H Circuit Intermittent OBD Code: System: Subsystem: P084E Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch H Circuit Intermittent Location: Analysis: Possible Causes: Switch H Circuit Sporatic / Not Continuous Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…
P084E Buick Transmission Fluid Pressure Sensor / Switch H Circuit Intermittent
P0850 Buick Park/Neutral Switch Possible causes – Misadjusted Park/Neutral Switch– Faulty Park/Neutral Switch– Park/Neutral Switch harness is open or shorted– Park/Neutral Switch circuit poor electrical connection What about the obd code? The signal of the park/neutral position (PNP) switch is not changed in the process of engine starting and driving. Symptoms – Engine Light ON…
P0847 Buick Transmission Fluid Pressure Sensor / Switch B Circuit Low
P0848 Buick Transmission Fluid Pressure Sensor / Switch B Circuit High OBD Code: System: Subsystem: P0848 Buick – (ASE) Powertrain Transmission Controls Trouble Code Description: Transmission Fluid Pressure Sensor / Switch B Circuit High Location: Analysis: Possible Causes: Switch B End of Range – Circuit Higher Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick…