Category: Buick

P2778 Buick Upshift Switch Circuit Intermittent/Erratic P2778 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 – Buick…

P2779 Buick Downshift Switch Circuit Range/Performance P2779 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 – Buick…

P2780 Buick Downshift Switch Circuit Low OBD Code: System: Subsystem:  P2780 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Downshift Switch 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 – Buick Century…

P2781 Buick Downshift Switch Circuit High OBD Code: System: Subsystem:  P2781 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Downshift Switch 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 – Buick Century…

P2775 Buick Upshift Switch Circuit Range/Performance P2775 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 – Buick…

P2776 Buick Upshift Switch Circuit Low OBD Code: System: Subsystem:  P2776 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Upshift Switch 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 – Buick Century…

P2777 Buick Upshift Switch Circuit High OBD Code: System: Subsystem:  P2777 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Upshift Switch 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 – Buick Century…

P2773 Buick Four Wheel Drive (4WD) Low Switch Circuit Low OBD Code: System: Subsystem:  P2773 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Four Wheel Drive (4WD) Low Switch Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…

P2774 Buick Four Wheel Drive (4WD) Low Switch Circuit High OBD Code: System: Subsystem:  P2774 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Four Wheel Drive (4WD) Low Switch Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…

P2772 Buick Four Wheel Drive (4WD) Low Switch Circuit Range/Performance P2772 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 –…

P2769 Buick Torque Converter Clutch Solenoid Circuit Low Possible causes -
Short in shift solenoid valve DSL circuit
- Faulty Shift solenoid valve DSL
- Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2769 Buick Description The shift solenoid valve DSL is turned “ON” and “OFF” by signals from the…

P2770 Buick Torque Converter Clutch Solenoid Circuit High Possible causes -
Open in shift solenoid valve DSL circuit
- Faulty Shift solenoid valve DSL
- Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2770 Buick Description The shift solenoid valve DSL is turned “ON” and “OFF” by signals from the…

P2771 Buick Four Wheel Drive (4WD) Low Switch Circuit OBD Code: System: Subsystem:  P2771 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Four Wheel Drive (4WD) Low Switch Circuit Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P2765 Buick Input / Turbine Speed (Sensor B) Circuit OBD Code: System: Subsystem:  P2765 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Input / Turbine Speed (Sensor B) Circuit Location: Analysis: Possible Causes:  Sensor B  Circuit Issue   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick…

P2766 Buick Input / Turbine Speed (Sensor B) Circuit Range / Performance OBD Code: System: Subsystem:  P2766 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Input / Turbine Speed (Sensor B) Circuit Range / Performance Location: Analysis: Possible Causes:  Sensor B  Out of Expected Range   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P2767 Buick Input Speed Sensor 2 Circuit No Signal Possible causes – Faulty Input Speed Sensor– Input Speed Sensor harness is open or shorted– Input Speed Sensor circuit poor electrical connection What about the obd code? The Transmission Control Module (TCM) has detected a correlation error between the two Input Speed Sensor signals. Symptoms –…

P2768 Buick Input / Turbine Speed (Sensor B) Circuit Intermittent OBD Code: System: Subsystem:  P2768 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Input / Turbine Speed (Sensor B) Circuit Intermittent Location: Analysis: Possible Causes:  Sensor B  Circuit Sporatic / Not Continuous   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P2762 Buick Torque Converter Clutch Pressure Control Solenoid Control Circuit Range / Performance OBD Code: System: Subsystem:  P2762 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Torque Converter Clutch Pressure Control Solenoid Control Circuit Range / Performance Location: Analysis: Possible Causes:    Out of Expected Range   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P2763 Buick Torque Converter Clutch Pressure Control Solenoid Control Circuit High OBD Code: System: Subsystem:  P2763 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Torque Converter Clutch Pressure Control Solenoid Control Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P2764 Buick Torque Converter Clutch Pressure Control Solenoid Control Circuit Low OBD Code: System: Subsystem:  P2764 Buick – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Torque Converter Clutch Pressure Control Solenoid Control Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…