P250D Buick Engine Oil Level Sensor Circuit High OBD Code: System: Subsystem: P250D Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Oil Level Sensor Circuit High Location: Analysis: Possible Causes: End of Range – Circuit Higher Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…
Category: Buick
P250D Buick Engine Oil Level Sensor Circuit High
P250E Buick Engine Oil Level Sensor Circuit Intermittent / Erratic OBD Code: System: Subsystem: P250E Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Oil Level Sensor Circuit Intermittent / Erratic Location: Analysis: Possible Causes: Periodically Unstable Circuit Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…
P250E Buick Engine Oil Level Sensor Circuit Intermittent / Erratic
P250F Buick Engine Oil Level Too Low OBD Code: System: Subsystem: P250F Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Oil Level Too Low Location: Analysis: Possible Causes: Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick…
P250F Buick Engine Oil Level Too Low
P2510 Buick Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay Sensore Circuit Range / Performance OBD Code: System: Subsystem: P2510 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay Sensore Circuit Range / Performance Location: Analysis:…
P2509 Buick Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Input Signal Intermittent
P250A Buick Engine Oil Level Sensor Circuit OBD Code: System: Subsystem: P250A Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Oil Level Sensor Circuit Location: Analysis: Possible Causes: Circuit Issue Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick –…
P250A Buick Engine Oil Level Sensor Circuit
P250B Buick Engine Oil Level Sensor Circuit Range / Performance OBD Code: System: Subsystem: P250B Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Oil Level Sensor Circuit Range / Performance Location: Analysis: Possible Causes: Out of Expected Range Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…
P250B Buick Engine Oil Level Sensor Circuit Range / Performance
P250C Buick Engine Oil Level Sensor Circuit Low OBD Code: System: Subsystem: P250C Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Oil Level Sensor Circuit Low Location: Analysis: Possible Causes: End of Range – Circuit Lower Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…
P2508 Buick Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Input Signal High
P2509 Buick Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Input Signal Intermittent OBD Code: System: Subsystem: P2509 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Input Signal Intermittent Location: Analysis: Possible Causes: Sporatic Operation …
P2506 Buick Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Input Signal Range / Performance
P2507 Buick PCM Input Signal Low Possible causes – Low battery voltage– Faulty Powertrain Control Module (PCM)– PCM harness is open or shorted– PCM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2507 Buick Description When the ignition switch is turned “ON”, battery voltage is applied from the…
P2507 Buick PCM Input Signal Low
P2508 Buick Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Input Signal High OBD Code: System: Subsystem: P2508 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Input Signal High Location: Analysis: Possible Causes: Signal Too High…
P2502 Buick Charging System Voltage
P2503 Buick Charging System Voltage Low OBD Code: System: Subsystem: P2503 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Charging System Voltage Low Location: Analysis: Possible Causes: Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century –…
P2503 Buick Charging System Voltage Low
P2504 Buick Charging System Voltage High OBD Code: System: Subsystem: P2504 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Charging System Voltage High Location: Analysis: Possible Causes: Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century –…
P2504 Buick Charging System Voltage High
P2505 Buick Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Input Signal OBD Code: System: Subsystem: P2505 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Input Signal Location: Analysis: Possible Causes: Tech description: Buick…
P2505 Buick Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Input Signal
P2506 Buick Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Input Signal Range / Performance OBD Code: System: Subsystem: P2506 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Input Signal Range / Performance Location: Analysis: Possible Causes:…
P24A5 Buick Exhaust Gas Recirculation (EGR) Cooler Bypass Control Stuck (Bank 1)
P2500 Buick Generator Lamp / LTerminal Circuit Low OBD Code: System: Subsystem: P2500 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Generator Lamp / LTerminal Circuit Low Location: Analysis: Possible Causes: End of Range – Circuit Lower Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…
P2500 Buick Generator Lamp / LTerminal Circuit Low
P2501 Buick Generator Lamp / LTerminal Circuit High OBD Code: System: Subsystem: P2501 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Generator Lamp / LTerminal Circuit High Location: Analysis: Possible Causes: End of Range – Circuit Higher Than Expected Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…
P2501 Buick Generator Lamp / LTerminal Circuit High
P2502 Buick Charging System Voltage OBD Code: System: Subsystem: P2502 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Charging System Voltage Location: Analysis: Possible Causes: Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse…
P249F Buick Excessive Time To Enter Closed Loop DPF Regeneration Control
P24A0 Buick Closed Loop DPF Regeneration Control At Limit – Temperature Too Low 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 –…
P24A0 Buick Closed Loop DPF Regeneration Control At Limit – Temperature Too Low
P24A2 Buick Diesel Particulate Filter Regeneration Incomplete 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 – Buick Rendezvous –…
P24A2 Buick Diesel Particulate Filter Regeneration Incomplete
P24A5 Buick Exhaust Gas Recirculation (EGR) Cooler Bypass Control Stuck (Bank 1) 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…