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Buick Error Codes

Browse all 180 Buick error codes and troubleshooting guides

Car (140)

BUI2020P0100

MAF Circuit Malfunction

BUI2020P0101

MAF Range/Performance

BUI2020P0115

ECT Circuit Malfunction

BUI2020P0120

TPS Circuit Malfunction

BUI2020P0130

O2 Sensor Circuit Malfunction

BUI2020P0171

System Too Lean Bank 1

BUI2020P0172

System Too Rich Bank 1

BUI2020P0300

Random Cylinder Misfire

BUI2020P0301

Cylinder 1 Misfire

BUI2020P0302

Cylinder 2 Misfire

BUI2020P0303

Cylinder 3 Misfire

BUI2020P0304

Cylinder 4 Misfire

BUI2020P0325

Knock Sensor Circuit

BUI2020P0335

CKP Sensor Circuit

BUI2020P0340

CMP Sensor Circuit

BUI2020P0401

EGR Flow Insufficient

BUI2020P0420

Catalyst Efficiency Low

BUI2020P0440

EVAP System Malfunction

BUI2020P0455

EVAP Large Leak

BUI2020P0500

VSS Malfunction

BUI2020P0505

Idle Control Malfunction

BUI2020P0562

System Voltage Low

BUI2020P0563

System Voltage High

BUI2020P0700

TCM Malfunction

BUI2020P0715

Input Speed Sensor

BUI2020P0720

Output Speed Sensor

BUI2020P0740

TCC Circuit Malfunction

BUI2020P0750

Shift Solenoid A

BUI2021P0100

MAF Circuit Malfunction

BUI2021P0101

MAF Range/Performance

+ 110 more...

Electric Vehicle (40)

BUI100P0AA6

Battery Isolation Fault

BUI100P0AA7

Battery Contactor Stuck

BUI100P0ABB

Battery Voltage Sensor

BUI100P0AE6

Precharge Contactor

BUI100P0A78

Inverter Temp Sensor

BUI100P0A90

Inverter Performance

BUI100P0A91

Inverter Over Temp

BUI100P0A92

Battery Coolant Pump

BUI100P0AFA

Motor Position Sensor

BUI100P0B10

Battery SOC High

BUI100P0B11

Battery SOC Low

BUI100P0B20

Battery Temp Sensor

BUI100P0C00

Motor Coolant Temp

BUI100P0C10

Motor Coolant Flow

BUI100U0100

Lost Comm With ECM

BUI100U0101

Lost Comm With TCM

BUI100B0001

Airbag Deployment

BUI100C0035

Wheel Speed Sensor

BUI100C0040

RF Wheel Speed

BUI100C0042

LF Wheel Speed

BUI101P0AA6

Battery Isolation Fault

BUI101P0AA7

Battery Contactor Stuck

BUI101P0ABB

Battery Voltage Sensor

BUI101P0AE6

Precharge Contactor

BUI101P0A78

Inverter Temp Sensor

BUI101P0A90

Inverter Performance

BUI101P0A91

Inverter Over Temp

BUI101P0A92

Battery Coolant Pump

BUI101P0AFA

Motor Position Sensor

BUI101P0B10

Battery SOC High

+ 10 more...

Other Brands

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About Buick Error Codes

Buick is a leading manufacturer of appliances and industrial equipment. When your Buick appliance shows an error code, it indicates a specific issue that needs attention. Our comprehensive database includes error codes for all Buick product categories including washers, dryers, refrigerators, dishwashers, HVAC systems, and more.

Each error code page provides detailed troubleshooting steps, common causes, and recommended solutions to help you fix the issue quickly.