P2155 Buick Fuel Injector Group D Supply Voltage Circuit / Open

P2156 Buick Fuel Injector Group D Supply Voltage Circuit Low OBD Code: System: Subsystem:  P2156 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Fuel Injector Group D Supply Voltage Circuit Low Location: Analysis: Possible Causes:  Group D  End of Range – Voltage Signal Lower Than Expected   Tech description: Buick Vehicle:Buick Regal –…

P2149 Buick Fuel Injector Group B Supply Voltage Circuit / Open

P2150 Buick Fuel Injector Group B Supply Voltage Circuit Low OBD Code: System: Subsystem:  P2150 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Fuel Injector Group B Supply Voltage Circuit Low Location: Analysis: Possible Causes:  Group B  End of Range – Voltage Signal Lower Than Expected   Tech description: Buick Vehicle:Buick Regal –…

P2150 Buick Fuel Injector Group B Supply Voltage Circuit Low

P2151 Buick Fuel Injector Group B Supply Voltage Circuit High OBD Code: System: Subsystem:  P2151 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Fuel Injector Group B Supply Voltage Circuit High Location: Analysis: Possible Causes:  Group B  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick…

P2151 Buick Fuel Injector Group B Supply Voltage Circuit High

P2152 Buick Fuel Injector Group C Supply Voltage Circuit / Open OBD Code: System: Subsystem:  P2152 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Fuel Injector Group C Supply Voltage Circuit / Open Location: Analysis: Possible Causes:  Group C  Open Circuit   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…

P2145 Buick Exhaust Gas Recirculation (EGR) Vent Control Circuit High

P2146 Buick Fuel Injector Group A Supply Voltage Circuit / Open OBD Code: System: Subsystem:  P2146 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Fuel Injector Group A Supply Voltage Circuit / Open Location: Analysis: Possible Causes:  Group A  Open Circuit   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…

P2146 Buick Fuel Injector Group A Supply Voltage Circuit / Open

P2147 Buick Fuel Injector Group A Supply Voltage Circuit Low OBD Code: System: Subsystem:  P2147 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Fuel Injector Group A Supply Voltage Circuit Low Location: Analysis: Possible Causes:  Group A  End of Range – Voltage Signal Lower Than Expected   Tech description: Buick Vehicle:Buick Regal –…

P2147 Buick Fuel Injector Group A Supply Voltage Circuit Low

P2148 Buick Fuel Injector Group A Supply Voltage Circuit High OBD Code: System: Subsystem:  P2148 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Fuel Injector Group A Supply Voltage Circuit High Location: Analysis: Possible Causes:  Group A  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick…

P2148 Buick Fuel Injector Group A Supply Voltage Circuit High

P2149 Buick Fuel Injector Group B Supply Voltage Circuit / Open OBD Code: System: Subsystem:  P2149 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Fuel Injector Group B Supply Voltage Circuit / Open Location: Analysis: Possible Causes:  Group B  Open Circuit   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse…

P2143 Buick Exhaust Gas Recirculation (EGR) Vent Control Circuit / Open

P2144 Buick Exhaust Gas Recirculation (EGR) Vent Control Circuit Low OBD Code: System: Subsystem:  P2144 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Exhaust Gas Recirculation (EGR) Vent Control Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P2144 Buick Exhaust Gas Recirculation (EGR) Vent Control Circuit Low

P2145 Buick Exhaust Gas Recirculation (EGR) Vent Control Circuit High OBD Code: System: Subsystem:  P2145 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Exhaust Gas Recirculation (EGR) Vent Control Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P2142 Buick Exhaust Gas Recirculation (EGR) Throttle Control Circuit A High

P2143 Buick Exhaust Gas Recirculation (EGR) Vent Control Circuit / Open OBD Code: System: Subsystem:  P2143 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Exhaust Gas Recirculation (EGR) Vent Control Circuit / Open Location: Analysis: Possible Causes:    Open Circuit   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P213E Buick Fuel Injection System Fault – Forced Engine Shutdown

P213F Buick Fuel Pump System Fault – Forced Engine Shutdown 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 –…

P213F Buick Fuel Pump System Fault – Forced Engine Shutdown

P2140 Buick Throttle / Pedal Position Sensor / Switch E / F Voltage Correlation OBD Code: System: Subsystem:  P2140 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Throttle / Pedal Position Sensor / Switch E / F Voltage Correlation Location: Analysis: Possible Causes:  Switch E / F     Tech description: Buick Vehicle:Buick…

P2140 Buick Throttle / Pedal Position Sensor / Switch E / F Voltage Correlation

P2141 Buick Exhaust Gas Recirculation (EGR) Throttle Control Circuit A Low OBD Code: System: Subsystem:  P2141 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Exhaust Gas Recirculation (EGR) Throttle Control Circuit A Low Location: Analysis: Possible Causes:  Circuit A  End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal…

P2141 Buick Exhaust Gas Recirculation (EGR) Throttle Control Circuit A Low

P2142 Buick Exhaust Gas Recirculation (EGR) Throttle Control Circuit A High OBD Code: System: Subsystem:  P2142 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Exhaust Gas Recirculation (EGR) Throttle Control Circuit A High Location: Analysis: Possible Causes:  Circuit A  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal…

P213B Buick Exhaust Gas Recirculation (EGR) Throttle Control Circuit B Range / Performance

P213C Buick Exhaust Gas Recirculation (EGR) Throttle Control Circuit B Low OBD Code: System: Subsystem:  P213C Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Exhaust Gas Recirculation (EGR) Throttle Control Circuit B Low Location: Analysis: Possible Causes:  Circuit B  End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal…

P213C Buick Exhaust Gas Recirculation (EGR) Throttle Control Circuit B Low

P213D Buick Exhaust Gas Recirculation (EGR) Throttle Control Circuit B High OBD Code: System: Subsystem:  P213D Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Exhaust Gas Recirculation (EGR) Throttle Control Circuit B High Location: Analysis: Possible Causes:  Circuit B  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal…

P213D Buick Exhaust Gas Recirculation (EGR) Throttle Control Circuit B High

P213E Buick Fuel Injection System Fault – Forced Engine Shutdown 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 –…

P2137 Buick Throttle / Pedal Position Sensor / Switch B / C Voltage Correlation

P2138 Buick Throttle Pedal Position Sensor/Switch D/E Voltage Correlation Possible causes – Faulty Accelerator Pedal Position (APP) Sensor– Accelerator Pedal Position (APP) Sensor harness is open or shorted– Accelerator Pedal Position (APP) Sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2138 Buick…

P2138 Buick Throttle Pedal Position Sensor/Switch D/E Voltage Correlation

P2139 Buick Throttle / Pedal Position Sensor / Switch D / F Voltage Correlation OBD Code: System: Subsystem:  P2139 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Throttle / Pedal Position Sensor / Switch D / F Voltage Correlation Location: Analysis: Possible Causes:  Switch D / F     Tech description: Buick Vehicle:Buick…