P2549 Buick Torque Management Request Input (Signal B) Range / Performance

P254A Buick Power Take-Off (PTO) Speed Selector Sensor / Switch 1 Circuit / Open OBD Code: System: Subsystem:  P254A Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Power Take-Off (PTO) Speed Selector Sensor / Switch 1 Circuit / Open Location: Analysis: Possible Causes:    Open Circuit   Tech description:…

P254A Buick Power Take-Off (PTO) Speed Selector Sensor / Switch 1 Circuit / Open

P254B Buick Power Take-Off (PTO) Speed Selector Sensor / Switch 1 Range / Performance OBD Code: System: Subsystem:  P254B Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Power Take-Off (PTO) Speed Selector Sensor / Switch 1 Range / Performance Location: Analysis: Possible Causes:    Out of Expected Range  …

P254B Buick Power Take-Off (PTO) Speed Selector Sensor / Switch 1 Range / Performance

P254C Buick Power Take-Off (PTO) Speed Selector Sensor / Switch 1 Circuit Low OBD Code: System: Subsystem:  P254C Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Power Take-Off (PTO) Speed Selector Sensor / Switch 1 Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than…

P2545 Buick Torque Management Request Input (Signal A) Range / Performance

P2546 Buick Torque Management Request Input (Signal A) Low OBD Code: System: Subsystem:  P2546 Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Torque Management Request Input (Signal A) Low Location: Analysis: Possible Causes:  Signal A  Signal Too Low   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…

P2546 Buick Torque Management Request Input (Signal A) Low

P2547 Buick Torque Management Request Input (Signal A) High OBD Code: System: Subsystem:  P2547 Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Torque Management Request Input (Signal A) High Location: Analysis: Possible Causes:  Signal A  Signal Too High   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…

P2547 Buick Torque Management Request Input (Signal A) High

P2548 Buick Torque Management Request Input (Signal B) OBD Code: System: Subsystem:  P2548 Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Torque Management Request Input (Signal B) Location: Analysis: Possible Causes:  Signal B     Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar…

P2548 Buick Torque Management Request Input (Signal B)

P2549 Buick Torque Management Request Input (Signal B) Range / Performance OBD Code: System: Subsystem:  P2549 Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Torque Management Request Input (Signal B) Range / Performance Location: Analysis: Possible Causes:  Signal B  Out of Expected Range   Tech description: Buick Vehicle:Buick Regal…

P2542 Buick Low Pressure Fuel System Sensor Circuit High

P2543 Buick Low Pressure Fuel System Sensor Circuit Intermittent OBD Code: System: Subsystem:  P2543 Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Low Pressure Fuel System Sensor Circuit Intermittent Location: Analysis: Possible Causes:    Circuit Sporatic / Not Continuous   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P2543 Buick Low Pressure Fuel System Sensor Circuit Intermittent

P2544 Buick Torque Management Request Input (Signal A) OBD Code: System: Subsystem:  P2544 Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Torque Management Request Input (Signal A) Location: Analysis: Possible Causes:  Signal A     Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar…

P2544 Buick Torque Management Request Input (Signal A)

P2545 Buick Torque Management Request Input (Signal A) Range / Performance OBD Code: System: Subsystem:  P2545 Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Torque Management Request Input (Signal A) Range / Performance Location: Analysis: Possible Causes:  Signal A  Out of Expected Range   Tech description: Buick Vehicle:Buick Regal…

P2540 Buick Low Pressure Fuel System Sensor Circuit Range / Performance

P2541 Buick Low Pressure Fuel System Sensor Circuit Low OBD Code: System: Subsystem:  P2541 Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Low Pressure Fuel System Sensor Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal –…

P2541 Buick Low Pressure Fuel System Sensor Circuit Low

P2542 Buick Low Pressure Fuel System Sensor Circuit High OBD Code: System: Subsystem:  P2542 Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Low Pressure Fuel System Sensor Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal –…

P253F Buick Engine Oil Deteriorated

P2540 Buick Low Pressure Fuel System Sensor Circuit Range / Performance OBD Code: System: Subsystem:  P2540 Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Low Pressure Fuel System Sensor Circuit Range / Performance Location: Analysis: Possible Causes:    Out of Expected Range   Tech description: Buick Vehicle:Buick Regal –…

P253B Buick Power Take-Off (PTO) Sensore Circuit Range / Performance

P253C Buick Power Take-Off (PTO) Sensore Circuit Low OBD Code: System: Subsystem:  P253C Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Power Take-Off (PTO) Sensore Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P253C Buick Power Take-Off (PTO) Sensore Circuit Low

P253D Buick Power Take-Off (PTO) Sensore Circuit High OBD Code: System: Subsystem:  P253D Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Power Take-Off (PTO) Sensore Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P253D Buick Power Take-Off (PTO) Sensore Circuit High

P253E Buick Power Take-Off (PTO) Sensore Circuit Intermittent / Erratic OBD Code: System: Subsystem:  P253E Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Power Take-Off (PTO) Sensore Circuit Intermittent / Erratic Location: Analysis: Possible Causes:    Periodically Unstable Circuit   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P253E Buick Power Take-Off (PTO) Sensore Circuit Intermittent / Erratic

P253F Buick Engine Oil Deteriorated OBD Code: System: Subsystem:  P253F Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Oil Deteriorated Location: Analysis: Possible Causes:       Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse…

P2538 Buick Ignition Switch Accessory Position Circuit High

P2539 Buick Low Pressure Fuel System Sensor Circuit OBD Code: System: Subsystem:  P2539 Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Low Pressure Fuel System Sensor Circuit Location: Analysis: Possible Causes:    Circuit Issue   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar…

P2539 Buick Low Pressure Fuel System Sensor Circuit

P253A Buick Power Take-Off (PTO) Sensore Circuit / Open OBD Code: System: Subsystem:  P253A Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Power Take-Off (PTO) Sensore Circuit / Open Location: Analysis: Possible Causes:    Open Circuit   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P253A Buick Power Take-Off (PTO) Sensore Circuit / Open

P253B Buick Power Take-Off (PTO) Sensore Circuit Range / Performance OBD Code: System: Subsystem:  P253B Buick – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Power Take-Off (PTO) Sensore Circuit Range / Performance Location: Analysis: Possible Causes:    Out of Expected Range   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…