P3138 Buick Intake Flap for Airflow Control Control Difference Tech description Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal –…
Category: Buick
P3138 Buick Intake Flap for Airflow Control Control Difference
P3400 Buick Cylinder Deactivation System Performance Possible causes – Faulty Cylinder Deactivation Solenoid– Cylinder Deactivation Solenoid harness is open or shorted– Cylinder Deactivation Solenoid circuit poor electrical connection What about the obd code? The control module detects that the actual measured values from the MAF sensor, MAP sensor, and TP sensor, is not within the…
P2BAB Buick NOx Exceedence – Incorrect EGR Flow
P2BAC Buick NOx Exceedence – Deactivation of EGR 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…
P2BAC Buick NOx Exceedence – Deactivation of EGR
P2BAD Buick NOx Exceedence – Root Cause Unknown 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…
P2BAD Buick NOx Exceedence – Root Cause Unknown
P2BAE Buick NOx Exceedence – NOx control monitoring system 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…
P2BA8 Buick NOx Exceedence – Interruption of Reagent Dosing Activity
P2BA9 Buick NOx Exceedence – Insufficient Reagent Quality 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…
P2BA9 Buick NOx Exceedence – Insufficient Reagent Quality
P2BAA Buick NOx Exceedence – Low Reagent Consumption 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…
P2BAA Buick NOx Exceedence – Low Reagent Consumption
P2BAB Buick NOx Exceedence – Incorrect EGR Flow 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…
P2BA7 Buick NOx Exceedence – Empty Reagent Tank
P2BA8 Buick NOx Exceedence – Interruption of Reagent Dosing Activity 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 –…
P2A10 Buick Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 2)
P2A11 Buick Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 3) OBD Code: System: Subsystem: P2A11 Buick – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 3) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…
P2A11 Buick Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 3)
P2BA7 Buick NOx Exceedence – Empty Reagent Tank P2BA7 Buick Information for specific makes P2BA7 Buick 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 –…
P2A07 Buick Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 2)
P2A08 Buick Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 3) OBD Code: System: Subsystem: P2A08 Buick – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 3) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 3 Tech description: Buick Vehicle:Buick Regal – ?Buick…
P2A08 Buick Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 3)
P2A09 Buick Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2A09 Buick – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor 1 Tech description: Buick Vehicle:Buick Regal – ?Buick…
P2A09 Buick Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 1)
P2A10 Buick Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 2) OBD Code: System: Subsystem: P2A10 Buick – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 2) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor 2 Tech description: Buick Vehicle:Buick Regal – ?Buick…
P2A03 Buick Oxygen (O2) Sensor Circuit Range / Performance (Bank 2 – Sensor 1)
P2A04 Buick Oxygen (O2) Sensor Circuit Range / Performance (Bank 2 – Sensor 2) OBD Code: System: Subsystem: P2A04 Buick – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Circuit Range / Performance (Bank 2 – Sensor 2) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor 2 Out of Expected Range …
P2A04 Buick Oxygen (O2) Sensor Circuit Range / Performance (Bank 2 – Sensor 2)
P2A05 Buick Oxygen (O2) Sensor Circuit Range / Performance (Bank 2 – Sensor 3) OBD Code: System: Subsystem: P2A05 Buick – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Circuit Range / Performance (Bank 2 – Sensor 3) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor Out of Expected Range Tech…
P2A05 Buick Oxygen (O2) Sensor Circuit Range / Performance (Bank 2 – Sensor 3)
P2A06 Buick Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2A06 Buick – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 1 Tech description: Buick Vehicle:Buick Regal – ?Buick…
P2A06 Buick Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 1)
P2A07 Buick Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 2) OBD Code: System: Subsystem: P2A07 Buick – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 2) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 2 Tech description: Buick Vehicle:Buick Regal – ?Buick…
P2A00 Buick Oxygen (O2) Sensor Circuit Range / Performance (Bank 1 – Sensor 1)
P2A01 Buick Oxygen (O2) Sensor Circuit Range / Performance (Bank 1 – Sensor 2) OBD Code: System: Subsystem: P2A01 Buick – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Circuit Range / Performance (Bank 1 – Sensor 2) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 2 Out of Expected Range …
P2A01 Buick Oxygen (O2) Sensor Circuit Range / Performance (Bank 1 – Sensor 2)
P2A02 Buick Oxygen (O2) Sensor Circuit Range / Performance (Bank 1 – Sensor 3) OBD Code: System: Subsystem: P2A02 Buick – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Circuit Range / Performance (Bank 1 – Sensor 3) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 3 Out of Expected Range …