P2571 Buick Direct Ozone Reduction Catalyst Temperature Sensor Circuit Intermittent / Erratic OBD Code: System: Subsystem: P2571 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Direct Ozone Reduction Catalyst Temperature Sensor Circuit Intermittent / Erratic Location: Analysis: Possible Causes: Sensor Periodically Unstable Circuit Tech description: Buick Vehicle:Buick Regal…
Category: Buick
P2571 Buick Direct Ozone Reduction Catalyst Temperature Sensor Circuit Intermittent / Erratic
P2572 Buick Direct Ozone Reduction Catalyst Deterioration Sensor Circuit OBD Code: System: Subsystem: P2572 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Location: Analysis: Possible Causes: Sensor Circuit Issue Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…
P2572 Buick Direct Ozone Reduction Catalyst Deterioration Sensor Circuit
P2573 Buick Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range / Performance OBD Code: System: Subsystem: P2573 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range / Performance Location: Analysis: Possible Causes: Sensor Out of Expected Range Tech description: Buick Vehicle:Buick…
P2573 Buick Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range / Performance
P2574 Buick Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low OBD Code: System: Subsystem: P2574 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low Location: Analysis: Possible Causes: Sensor End of Range – Circuit Lower Than Expected Tech description: Buick Vehicle:Buick…
P256D Buick Engine Idle Speed Selector Sensor / Switch Circuit High
P256E Buick Engine Idle Speed Selector Sensor / Switch Circuit Intermittent / Erratic OBD Code: System: Subsystem: P256E Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Idle Speed Selector Sensor / Switch Circuit Intermittent / Erratic Location: Analysis: Possible Causes: Periodically Unstable Circuit Tech description: Buick…
P256E Buick Engine Idle Speed Selector Sensor / Switch Circuit Intermittent / Erratic
P256F Buick ISO / SAE reserved OBD Code: System: Subsystem: P256F Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: ISO / SAE reserved Location: Analysis: Possible Causes: Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century –…
P256F Buick ISO / SAE reserved
P2570 Buick Direct Ozone Reduction Catalyst Temperature Sensor Circuit High OBD Code: System: Subsystem: P2570 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Direct Ozone Reduction Catalyst Temperature Sensor Circuit High Location: Analysis: Possible Causes: Sensor End of Range – Circuit Higher Than Expected Tech description: Buick Vehicle:Buick…
P256A Buick Engine Idle Speed Selector Sensor / Switch Circuit / Open
P256B Buick Engine Idle Speed Selector Sensor / Switch Range / Performance OBD Code: System: Subsystem: P256B Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Idle Speed Selector Sensor / Switch Range / Performance Location: Analysis: Possible Causes: Out of Expected Range Tech description: Buick Vehicle:Buick…
P256B Buick Engine Idle Speed Selector Sensor / Switch Range / Performance
P256C Buick Engine Idle Speed Selector Sensor / Switch Circuit Low OBD Code: System: Subsystem: P256C Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Idle Speed Selector Sensor / Switch Circuit Low Location: Analysis: Possible Causes: End of Range – Circuit Lower Than Expected Tech description:…
P256C Buick Engine Idle Speed Selector Sensor / Switch Circuit Low
P256D Buick Engine Idle Speed Selector Sensor / Switch Circuit High OBD Code: System: Subsystem: P256D Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Idle Speed Selector Sensor / Switch Circuit High Location: Analysis: Possible Causes: End of Range – Circuit Higher Than Expected Tech description:…
P2567 Buick Direct Ozone Reduction Catalyst Temperature Sensor Circuit
P2568 Buick Direct Ozone Reduction Catalyst Temperature Sensor Circuit Range / Performance OBD Code: System: Subsystem: P2568 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Direct Ozone Reduction Catalyst Temperature Sensor Circuit Range / Performance Location: Analysis: Possible Causes: Sensor Out of Expected Range Tech description: Buick Vehicle:Buick…
P2568 Buick Direct Ozone Reduction Catalyst Temperature Sensor Circuit Range / Performance
P2569 Buick Direct Ozone Reduction Catalyst Temperature Sensor Circuit Low OBD Code: System: Subsystem: P2569 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Direct Ozone Reduction Catalyst Temperature Sensor Circuit Low Location: Analysis: Possible Causes: Sensor End of Range – Circuit Lower Than Expected Tech description: Buick Vehicle:Buick…
P2569 Buick Direct Ozone Reduction Catalyst Temperature Sensor Circuit Low
P256A Buick Engine Idle Speed Selector Sensor / Switch Circuit / Open OBD Code: System: Subsystem: P256A Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Engine Idle Speed Selector Sensor / Switch Circuit / Open Location: Analysis: Possible Causes: Open Circuit Tech description: Buick Vehicle:Buick Regal –…
P2563 Buick Turbocharger Boost Control Position Sensor Performance
P2564 Buick Turbocharger Boost Control Position (Sensor A) Circuit Low OBD Code: System: Subsystem: P2564 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Turbocharger Boost Control Position (Sensor A) Circuit Low Location: Analysis: Possible Causes: Sensor A End of Range – Circuit Lower Than Expected Tech description: Buick…
P2564 Buick Turbocharger Boost Control Position (Sensor A) Circuit Low
P2565 Buick Turbocharger Boost Control Position (Sensor A) Circuit High OBD Code: System: Subsystem: P2565 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Turbocharger Boost Control Position (Sensor A) Circuit High Location: Analysis: Possible Causes: Sensor A End of Range – Circuit Higher Than Expected Tech description: Buick…
P2565 Buick Turbocharger Boost Control Position (Sensor A) Circuit High
P2566 Buick Turbocharger Boost Control Position (Sensor A) Circuit Intermittent OBD Code: System: Subsystem: P2566 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Turbocharger Boost Control Position (Sensor A) Circuit Intermittent Location: Analysis: Possible Causes: Sensor A Circuit Sporatic / Not Continuous Tech description: Buick Vehicle:Buick Regal –…
P2566 Buick Turbocharger Boost Control Position (Sensor A) Circuit Intermittent
P2567 Buick Direct Ozone Reduction Catalyst Temperature Sensor Circuit OBD Code: System: Subsystem: P2567 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Direct Ozone Reduction Catalyst Temperature Sensor Circuit Location: Analysis: Possible Causes: Sensor Circuit Issue Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…
P2560 Buick Engine Coolant Level Low
P2561 Buick Air Conditioning (A/C) Control Module Requested Malfunction Indicator Light (MIL) Illumination OBD Code: System: Subsystem: P2561 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Air Conditioning (A/C) Control Module Requested Malfunction Indicator Light (MIL) Illumination Location: Analysis: Possible Causes: Tech description: Buick Vehicle:Buick Regal…
P2561 Buick Air Conditioning (A/C) Control Module Requested Malfunction Indicator Light (MIL) Illumination
P2562 Buick Turbocharger Boost Control Position (Sensor A) Circuit Malfunction OBD Code: System: Subsystem: P2562 Buick – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Turbocharger Boost Control Position (Sensor A) Circuit Malfunction Location: Analysis: Possible Causes: Sensor A Circuit Malfunction Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…
P2562 Buick Turbocharger Boost Control Position (Sensor A) Circuit Malfunction
P2563 Buick Turbocharger Boost Control Position Sensor Performance Possible causes – Faulty Turbocharger due to foreign object damage. P2563 Buick Description The variable Geometry Turbocharger (VGT) is electronically activated by the Electronic Turbo Actuator. The Electronic Turbo Actuator is a smart device that receives information via the CAN BUS from the Engine Control Module (ECM)….