TroubleAtlas Score
BUICK REGAL (1975–2020) Manual — Codes, Tyres & Parts
Built 1975–2020 · all production years covered on this single page
3.6L V6 • Gasoline
2020
© Wikimedia Commons CC BY-SA
TroubleAtlas Score
An independent value score for the Buick Regal (1975–2020) — reliability, safety, cost, parts, upkeep and documentation. Owing nothing to the manufacturer.
Scorecard · each voice 0–10
Reliabilityn/a
Safety & recallsn/a
Repair costn/a
Parts & repairability7.5
Maintenance & durabilityn/a
Documentation & supportn/a
Independent · Verified · Never for sale
Every figure on this Buick Regal (1975–2020) page is aggregated and cross-checked against more than 6.6 million real workshop operations, NHTSA records and OEM technical sources — and updated continuously. No invented estimates.
The Buick Regal (1975–2020) is powered by a 3.6L V6 engine. Its OEM tyre size is 215/55 R16. Use the sections below for verified fluids, battery, OEM tyres, the maintenance schedule, recommended parts and the most commonly reported OBD2 fault codes for this vehicle.
Common problems
Common repairs
Fluids & lubricants
Battery
Fault codes (OBD2)
Dashboard lights
Parts comparator
Accessories & tools
Tyres
Recalls & TSB
Complaints
Workshops nearby
COMMON PROBLEMS
Transmission fault signal (TCM)MODERATE
The transmission module detected a fault — check separate transmission codes.
Related codes: P0700
Misfire / Loss of cylinderMODERATE
Rough running, idle vibration, power loss.
Related codes: P0300
Thermostat: coolant temperature lowLOW
Thermostat stuck open — engine does not reach operating temperature.
Related codes: P0128
Battery/system voltage lowLOW
System voltage below 10V — check alternator, battery or wiring.
Related codes: P0562
P0011LOW
Check with an OBD2 scanner.
Related codes: P0011
AVERAGE INDICATIVE COSTS
Prices may vary by area and workshop.
Full service
€ 120 – € 200
Full brake service
€ 180 – € 300
Spark plug replacement
€ 80 – € 140
Electronic diagnosis
€ 40 – € 70
WORKSHOP LABOUR RATES BY COUNTRY
Average independent-workshop hourly labour rates, to estimate repair costs in your country.
🇩🇪Germany€95/h
🇪🇸Spain€55/h
🇫🇷France€75/h
🇮🇹Italy€45/h
🇬🇧UK£80/h
🇺🇸USA$120/h
Reference rate
€45/h
Source: Eurostat 2024
💧 FLUIDS & LUBRICANTS
📋 RECALLS & TSB (60)
NHTSA 18V576000
Service Brakes, Hydraulic › Foundation Components › Disc › Caliper
Date: 30/08/2018
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The rear brake caliper pisto…
NHTSA 18V576000
Service Brakes, Hydraulic › Foundation Components › Disc › Caliper
Date: 30/08/2018
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The rear brake caliper pisto…
NHTSA 22V465000
Service Brakes, Hydraulic › Power Assist › Vacuum
Date: 30/06/2022
General Motors, LLC (GM) is recalling certain 2018-2020 Buick Regal vehicles. In the event of a vacuum-power brake assist failure, a software error in the electronic brake control module (EBCM) may result in a loss of power brake assist. As such, these vehicles fail to conform …
NHTSA 22V465000
Service Brakes, Hydraulic › Power Assist › Vacuum
Date: 30/06/2022
General Motors, LLC (GM) is recalling certain 2018-2020 Buick Regal vehicles. In the event of a vacuum-power brake assist failure, a software error in the electronic brake control module (EBCM) may result in a loss of power brake assist. As such, these vehicles fail to conform …
NHTSA 22V465000
Service Brakes, Hydraulic › Power Assist › Vacuum
Date: 30/06/2022
General Motors, LLC (GM) is recalling certain 2018-2020 Buick Regal vehicles. In the event of a vacuum-power brake assist failure, a software error in the electronic brake control module (EBCM) may result in a loss of power brake assist. As such, these vehicles fail to conform …
NHTSA 85V049000
Structure › Body › Bumpers
Date: 29/04/1985
THE REAR BUMPER MAY FRACTURE DURING A REAR END COLLISION, PUNCTURE THE FUEL TANK, AND CAUSE A FUEL LEAK. CONSEQUENCE OF DEFECT: A FUEL LEAK CREATES THE POTENTIAL FOR…
NHTSA 85V049000
Structure › Body › Bumpers
Date: 29/04/1985
THE REAR BUMPER MAY FRACTURE DURING A REAR END COLLISION, PUNCTURE THE FUEL TANK, AND CAUSE A FUEL LEAK. CONSEQUENCE OF DEFECT: A FUEL LEAK CREATES THE POTENTIAL FOR…
NHTSA 85V048000
Service Brakes, Hydraulic › Foundation Components › Drum › Wheel Cylinders
Date: 29/04/1985
EXCESSIVE ENLARGEMENT OF THE WHEEL CYLINDER PILOT HOLE IN THE REAR BRAKE BACKING PLATE COULD ALLOW THE WHEEL CYLINDER TO ROTATE AND CAUSE LOSS OF BRAKE FLUID. …
NHTSA 85V048000
Service Brakes, Hydraulic › Foundation Components › Drum › Wheel Cylinders
Date: 29/04/1985
EXCESSIVE ENLARGEMENT OF THE WHEEL CYLINDER PILOT HOLE IN THE REAR BRAKE BACKING PLATE COULD ALLOW THE WHEEL CYLINDER TO ROTATE AND CAUSE LOSS OF BRAKE FLUID. …
NHTSA 94V041000
Wheels
Date: 28/03/1995
CRACKS DEVELOP IN THE WHEEL MOUNTING SURFACE. IF THESE CRACKS BECOME SEVERE ENOUGH, THE WHEEL WILL COMPLETELY SEPARATE FROM THE VEHICLE.
NHTSA 94V041000
Wheels
Date: 28/03/1995
CRACKS DEVELOP IN THE WHEEL MOUNTING SURFACE. IF THESE CRACKS BECOME SEVERE ENOUGH, THE WHEEL WILL COMPLETELY SEPARATE FROM THE VEHICLE.
NHTSA 94V041000
Wheels
Date: 28/03/1995
CRACKS DEVELOP IN THE WHEEL MOUNTING SURFACE. IF THESE CRACKS BECOME SEVERE ENOUGH, THE WHEEL WILL COMPLETELY SEPARATE FROM THE VEHICLE.
NHTSA 88V045000
Power Train › Manual Transmission › Column Shift Assembly
Date: 28/03/1988
AN INTERFERENCE BETWEEN THE TRANSMISSION SHIFT CABLE AND THE BELLCRANK CLIP IN THE STEERING COLUMN CAN RESULT IN DISENGAGEMENT OF THE TRANSMISSION CABLE.
NHTSA 84V154000
Seat Belts › Front › Retractor
Date: 27/11/1984
THE VEHICLES WERE ASSEMBLED WITH FRONT SEAT BELT RETRACTORS WHICH MAY NOT PERFORM ADEQUATELY DURING A COLLISION.
NHTSA 95V030000
Steering › Steering Wheel/Handle Bar
Date: 27/02/1995
THE FOUR (4) STEERING COLUMN SUPPORT BRACKET ATTACHING BOLTS WERE UNDER TORQUED DURING ASSEMBLY.
NHTSA 15V701000
Engine And Engine Cooling › Engine
Date: 26/10/2015
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired und…
NHTSA 15V701000
Engine And Engine Cooling › Engine
Date: 26/10/2015
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired und…
NHTSA 15V701000
Engine And Engine Cooling › Engine
Date: 26/10/2015
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired und…
NHTSA 15V701000
Engine And Engine Cooling › Engine
Date: 26/10/2015
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired und…
NHTSA 15V701000
Engine And Engine Cooling › Engine
Date: 26/10/2015
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired und…
NHTSA 15V701000
Engine And Engine Cooling › Engine
Date: 26/10/2015
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired und…
NHTSA 15V701000
Engine And Engine Cooling › Engine
Date: 26/10/2015
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired und…
NHTSA 15V701000
Engine And Engine Cooling › Engine
Date: 26/10/2015
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired und…
NHTSA 87V168000
Power Train › Automatic Transmission › Lever And Linkage › Column Shift
Date: 26/10/1987
MANUAL VALVE LINK IN THE TRANSMISSION MAY HAVE BEEN IMPROPERLY FORMED.
NHTSA 85V047000
Visibility › Windshield
Date: 26/04/1985
A LOSS OF BONDING ADHESION BETWEEN THE PAINT AND THE WINDSHIELD OPENING AREA COULD ALLOW THE WINDSHIELD TO SEPARATE DURING A 30 MILE PER HOUR FRONTAL BARRIER TEST REQUIRED BY FMVSS 212, WINDSHIELD RETENTION. …
NHTSA 26V113000
Suspension › Rear
Date: 26/02/2026
General Motors, LLC (GM) is recalling certain 2012–2013 Buick Regal Turbo and GS trim-level vehicles that were sold or ever registered, in Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri…
NHTSA 26V113000
Suspension › Rear
Date: 26/02/2026
General Motors, LLC (GM) is recalling certain 2012–2013 Buick Regal Turbo and GS trim-level vehicles that were sold or ever registered, in Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri…
NHTSA 81V025000
Suspension › Rear
Date: 25/02/1981
THE BOLTS THAT ATTACH THE LOWER REAR CONTROL ARM TO THE FRAME MAY FRACTURE. THE REAR CONTROL ARM SUPPORTS AND POSITIONS THE REAR AXLE. FRACTURE OF THE BOLTS WOULD ALLOW THE CONTROL ARM TO DROP FREE.
NHTSA 81V025000
Suspension › Rear
Date: 25/02/1981
THE BOLTS THAT ATTACH THE LOWER REAR CONTROL ARM TO THE FRAME MAY FRACTURE. THE REAR CONTROL ARM SUPPORTS AND POSITIONS THE REAR AXLE. FRACTURE OF THE BOLTS WOULD ALLOW THE CONTROL ARM TO DROP FREE.
NHTSA 81V025000
Suspension › Rear
Date: 25/02/1981
THE BOLTS THAT ATTACH THE LOWER REAR CONTROL ARM TO THE FRAME MAY FRACTURE. THE REAR CONTROL ARM SUPPORTS AND POSITIONS THE REAR AXLE. FRACTURE OF THE BOLTS WOULD ALLOW THE CONTROL ARM TO DROP FREE.
NHTSA 81V025000
Suspension › Rear
Date: 25/02/1981
THE BOLTS THAT ATTACH THE LOWER REAR CONTROL ARM TO THE FRAME MAY FRACTURE. THE REAR CONTROL ARM SUPPORTS AND POSITIONS THE REAR AXLE. FRACTURE OF THE BOLTS WOULD ALLOW THE CONTROL ARM TO DROP FREE.
NHTSA 84V149000
Power Train › Axle Assembly › Axle Shaft
Date: 24/11/1984
REAR AXLE ASSEMBLY MAY HAVE AXLES THAT WERE IMPROPERLY MANUFACTURED. THIS CONDITION MAY RESULT IN SEPARATION OF THE AXLE SHAFT AND WHEEL ASSEMBLY FROM THE VEHICLE.
NHTSA 84V149000
Power Train › Axle Assembly › Axle Shaft
Date: 24/11/1984
REAR AXLE ASSEMBLY MAY HAVE AXLES THAT WERE IMPROPERLY MANUFACTURED. THIS CONDITION MAY RESULT IN SEPARATION OF THE AXLE SHAFT AND WHEEL ASSEMBLY FROM THE VEHICLE.
NHTSA 84V149000
Power Train › Axle Assembly › Axle Shaft
Date: 24/11/1984
REAR AXLE ASSEMBLY MAY HAVE AXLES THAT WERE IMPROPERLY MANUFACTURED. THIS CONDITION MAY RESULT IN SEPARATION OF THE AXLE SHAFT AND WHEEL ASSEMBLY FROM THE VEHICLE.
NHTSA 19V762000
Seats
Date: 24/10/2019
General Motors LLC (GM) is recalling certain 2019-2020 Buick Regal vehicles. The driver or passenger front seat frames may have a lower crossbar that was improperly welded.
NHTSA 19V762000
Seats
Date: 24/10/2019
General Motors LLC (GM) is recalling certain 2019-2020 Buick Regal vehicles. The driver or passenger front seat frames may have a lower crossbar that was improperly welded.
NHTSA 07E088000
Equipment
Date: 24/10/2007
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS ARE MARKED WITH A DATE CODE A61451 THROUGH A72571 SEQUENTIALL…
NHTSA 07E088000
Equipment
Date: 24/10/2007
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS ARE MARKED WITH A DATE CODE A61451 THROUGH A72571 SEQUENTIALL…
NHTSA 07E088000
Equipment
Date: 24/10/2007
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS ARE MARKED WITH A DATE CODE A61451 THROUGH A72571 SEQUENTIALL…
NHTSA 07E088000
Equipment
Date: 24/10/2007
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS ARE MARKED WITH A DATE CODE A61451 THROUGH A72571 SEQUENTIALL…
NHTSA 82V080000
Fuel System, Gasoline › Fuel Injection System › Fuel Rail
Date: 24/08/1982
THE FUEL INLET PIPE MAY DEVELOP CRACKS AT THE FLARED END LEADING INTO THE CARBURETOR DUE TO VIBRATIONS IN OPERATION. THESE CRACKS COULD RESULT IN FUEL LEAKAGE.
NHTSA 88V040000
Exterior Lighting › Brake Lights › Switch
Date: 24/03/1988
THE STOP LAMP SWITCH MAY HAVE A LOOSE ELECTRICAL CONTACT. THE LOOSE CONTACT CAN OVERHEAT AND MELT THE SURROUNDING PLASTIC CAUSING THE CONTACT TO STICK OPEN.
NHTSA 16V108000
Steering › Electric Power Assist System
Date: 24/02/2016
General Motors LLC (GM) is recalling certain model year 2016 Buick Regal Vehicles manufactured August 30, 2015, to February 12, 2016. The affected vehicles have a power-steering assist system that may fail.
NHTSA 78V018000
Equipment › Other › Labels
Date: 24/01/1978
THE INVOLVED VEHICLES DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS", IN THAT THE TIRE PLACARD DOES NOT CONTAIN LEGIBLE TIRE SIZE INFORMATION.
NHTSA 79V235000
Exterior Lighting › Turn Signal
Date: 23/10/1979
THE INVOLVED VEHICLES MAY HAVE BEEN ASSEMBLED WITH CLEAR LAMP BULBS INSTEAD OF THE CORRECT AMBER BULBS IN FRONT PARK AND TURN SIGNAL LOCATIONS. AS A RESULT, THESE VEHICLES DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES AND ASSOCIATED E…
NHTSA 14V447000
Seats › Front Assembly › Power Adjust
Date: 23/07/2014
General Motors LLC (GM) is recalling certain model year 2011-2012 Buick LaCrosse, Regal and Chevrolet Camaro, as well as certain 2010-2012 Cadillac SRX, Chevrolet Equinox and GMC Terrain vehicles, equipped with power height adjustable driver and passenger seats. In the affected …
NHTSA 14V447000
Seats › Front Assembly › Power Adjust
Date: 23/07/2014
General Motors LLC (GM) is recalling certain model year 2011-2012 Buick LaCrosse, Regal and Chevrolet Camaro, as well as certain 2010-2012 Cadillac SRX, Chevrolet Equinox and GMC Terrain vehicles, equipped with power height adjustable driver and passenger seats. In the affected …
NHTSA 79V175000
Suspension › Front › Wheel Bearing
Date: 23/07/1979
UNDER CERTAIN DRIVING CONDITIONS, THESE VEHICLES CAN EXPERIENCE TEMPERATURES IN THE FRONT WHEEL OUTER BEARING AREA WHICH CAN AFFECT THE WHEEL BEARING GREASE. THIS CAN RESULT IN INADEQUATE LUBRICATION OF THE BEARING. THIS CONDITION MAY BE FURTHER AGGRAVATED BY IMPROPER ADJUSTMENT …
NHTSA 81V036000
Wheels › Hubcap/Cover
Date: 23/03/1981
"TX" HEAVY DUTY WHEELS MAY HAVE BEEN MANUFACTURED WITH LAMINATED STEEL. THE WHEEL DISC MAY FRACTURE AND THE WHEEL AND TIRE COULD PARTIALLY OR COMPLETELY SEPARATE FROM THE VEHICLE.
NHTSA 21V00F000
Suspension › Rear
Date: 22/12/2021
General Motors, LLC (GM) is recalling certain 2010-2013 Buick Lacrosse, 2012-2013 Buick Regal, and 2013 Chevrolet Malibu vehicles sold or ever registered in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michiga…
NHTSA 21V00F000
Suspension › Rear
Date: 22/12/2021
General Motors, LLC (GM) is recalling certain 2010-2013 Buick Lacrosse, 2012-2013 Buick Regal, and 2013 Chevrolet Malibu vehicles sold or ever registered in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michiga…
NHTSA 95V061000
Service Brakes, Hydraulic › Foundation Components › Hoses, Lines/Piping, And Fittings
Date: 22/03/1995
THE REAR WHEEL BRAKE HOSE(S) CAN CONTACT THE REAR SUSPENSION COMPONENTS CAUSING THE BRAKE HOSE(S) TO WEAR THROUGH.
NHTSA 95V061000
Service Brakes, Hydraulic › Foundation Components › Hoses, Lines/Piping, And Fittings
Date: 22/03/1995
THE REAR WHEEL BRAKE HOSE(S) CAN CONTACT THE REAR SUSPENSION COMPONENTS CAUSING THE BRAKE HOSE(S) TO WEAR THROUGH.
NHTSA 20V764000
Suspension › Rear
Date: 21/12/2020
General Motors, LLC (GM) is recalling certain 2012-2013 Buick Regal, 2013 Chevrolet Malibu, and 2010-2013 Buick Lacrosse vehicles sold or ever registered in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michiga…
NHTSA 20V764000
Suspension › Rear
Date: 21/12/2020
General Motors, LLC (GM) is recalling certain 2012-2013 Buick Regal, 2013 Chevrolet Malibu, and 2010-2013 Buick Lacrosse vehicles sold or ever registered in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michiga…
NHTSA 94V229000
Exterior Lighting
Date: 21/11/1994
THE VEHICLES WERE ASSEMBLED WITH AN INCORRECT FRONT PARK/TURN SIGNAL BULB WHICH DOES NOT HAVE SUFFICIENT CANDLE POWER. THIS DOES NOT COMPLY WITH FMVSS NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT."
NHTSA 76V147000
Electrical System › Wiring › Front Underhood
Date: 21/09/1976
NHTSA 14V092000
Power Train › Automatic Transmission
Date: 21/02/2014
General Motors LLC (GM) is recalling certain model year 2014 Buick Regal, LaCrosse, Verano, and Enclave, and Chevrolet Impala, Malibu, Cruze, and Traverse, and GMC Acadia vehicles equipped with automatic transmissions. In the affected vehicles, the transmission shift cable adju…
NHTSA 86V030000
Vehicle Speed Control › Springs
Date: 21/02/1986
THE THROTTLE RETURN SPRING ASSEMBLY MAY FAIL PREVENTING THE THROTTLE FROM RETURNING TO THE CLOSED (IDLE) POSITION WHEN THE ACCELERATOR PEDAL IS RELEASED. …
NHTSA 75V214000
Service Brakes, Hydraulic › Foundation Components › Differential Proportional Valve
Date: 19/12/1975
COMMON OBD2 CODES TO CHECK
P0420
P0420
Powertrain
P0171
P0171
Powertrain
P0300
P0300
Powertrain
P0128
P0128
Powertrain
P0455
P0455
Powertrain
P0700
P0700
Transmission
P0442
P0442
Powertrain
P0172
P0172
Powertrain
P0401
P0401
Powertrain
All documented fault codes for this vehicle
The most documented diagnostic codes for this model, by system and severity. Tap a code for the full guide.
P0455
powertrain
LOW⏱ 0.62h avgP0442
powertrain
LOW⏱ 0.62h avgP0440
powertrain
LOW⏱ 0.78h avgP0420
powertrain
MEDIUM⏱ 1.24h avgP0300
powertrain
HIGH⏱ 1.22h avgP0172
powertrain
MEDIUM⏱ 1.13h avgP0171
powertrain
MEDIUM⏱ 0.95h avgP0730
transmission
MEDIUM⏱ 1.25h avgP0700
transmission
HIGH⏱ 1.25h avgP0401
powertrain
MEDIUM⏱ 1.25h avgP0011
powertrain
MEDIUM⏱ 5.4h avgU0100
network
HIGHP0562
electrical
MEDIUM⏱ 0.58h avgP0128
powertrain
MEDIUM⏱ 0.88h avg
DASHBOARD WARNING LIGHTS — UNIVERSAL GUIDE
53 warning lights classified by urgency. Appears on your vehicle? Check the urgency level.
Show all dashboard warning lights
🔴 IMMEDIATE STOP — pull over
Oil Pressure WarningEngine
Engine Temperature WarningCooling
Brake System WarningBrakes
Immobilizer / Key FaultSecurity
🟠 WARNING — check soon
Malfunction Indicator Light (MIL) / Check EngineEngine
Diesel Particulate Filter (DPF)Emissions
Battery / Charging SystemElectrical
Low Fuel WarningFuel
ABS WarningBrakes
Brake Pad Wear IndicatorBrakes
Electronic Parking Brake (EPB)Brakes
Power Steering WarningSteering
ESC / Stability Control FaultChassis
Tire Pressure Warning (TPMS)Chassis
Transmission Temperature WarningTransmission
Transmission / Gearbox FaultTransmission
Airbag / SRS WarningActive safety
EGR / Exhaust Gas Recirculation FaultEmissions
Catalytic Converter / Emissions FaultEmissions
AdBlue / DEF Level LowEmissions
Coolant Level LowCooling
Hybrid / EV System WarningHybrid
EV Charge System FaultHybrid
12V Battery (Hybrid/EV Auxiliary)Hybrid
Suspension Fault / Air SuspensionSuspension
CAN Bus / Network Communication FaultNetwork
Water in Fuel FilterFuel
Diesel Injector FaultFuel
Steering Angle Sensor FaultSteering
Turbo / Boost Pressure FaultEngine
Regenerative Braking Fault (Hybrid/EV)Hybrid
🟡 MONITOR
Fuel Cap / Evap SystemEmissions
4WD / AWD SystemDrivetrain
Bulb Failure WarningLighting
Headlight Range / Leveling FaultLighting
Service / Maintenance DueMaintenance
A/C System FaultHvac
Clutch Wear WarningTransmission
Cruise Control / ACC FaultADAS
🔵 INFORMATION
Engine Temperature Low (Blue)Cooling
Glow Plug / Diesel PreheatEngine
Traction Control / ESC OffChassis
Seatbelt ReminderActive safety
Rear Fog Light IndicatorLighting
Lane Departure / LDWS WarningADAS
Forward Collision Warning (FCW/AEB)ADAS
Blind Spot Monitor FaultADAS
Rear Parking Sensor / Camera FaultADAS
Windshield Washer Fluid LowMaintenance
Door Open WarningBody
Hood / Trunk Open WarningBody
Gear Shift Indicator (Manual)Transmission
Sport / Performance Mode ActiveTransmission
REPORTED COMPLAINTS & PROBLEMS (NHTSA)
1392 owner complaints filed with the U.S. National Highway Traffic Safety Administration (NHTSA) for the Buick Regal across model years 1975–2020. These are real, verified reports submitted by vehicle owners.
67 crash reports 162 fires 78 injuries 4 deaths
Complaints by model year (most reported first)
Model year 201360
Model year 201260
Model year 201160
Model year 200460
Model year 200360
Model year 200260
Model year 200160
Model year 200060
Most reported components (all years)
Engine314
Electrical System271
Service Brakes219
Hydraulic154
Engine And Engine Cooling145
Exterior Lighting131
Sample reports
TL* THE CONTACT OWNS A 2002 BUICK REGAL. WHILE DRIVING VARIOUS SPEEDS, SMOKE EMITTED FROM UNDER THE HOOD OF THE VEHICLE. WHILE THE VEHICLE WAS PARKED, THE CONTACT WITNESSED ENGINE OIL DRIPPING ONTO THE EXHAUST MANIFOLD. THE CONTACT RECEI… (MY 2002)
TL* THE CONTACT OWNS A 1999 BUICK REGAL. WHILE DRIVING 70 MPH, THE CONTACT SMELLED SMOKE COMING FROM THE ENGINE. THE CONTACT HEARD A LOUD POP AND THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT WAS ABLE TO PULL THE VEHICLE OVER TO THE S… (MY 1999)
WHEN I PUT MY TURN SIGNAL ON THE DASH WARNING LAMPS LIGHT UP AND THE VEHICLE ENGINE STOPPED RUNNING, THIS HAPPENED SEVERAL TIMES EVEN WHEN IN PARK, YOU TURN THE SIGNALS ON AND THE VEHICLE DIES, IF YOU CYCLE IT A COUPLE OF TIMES IT OPERAT… (MY 1998)
WHILE DRIVING AT 35-40 MPH VEHICLE SHUTDOWN WITHOUT ANY WARNING. DEALER NOTIFIED. PLEASE FEEL FREE TO PROVIDE ANY FURTHER DETAILS CONCERNING THIS MATTER*AK. (MY 1994)
Source: NHTSA complaints database (U.S. data.gov). Figures cover production years 1975–2020.
Frequently Asked Questions
Does the Buick Regal have any safety recalls?
Yes — 191 official NHTSA recall campaign(s) affect this model, mainly: SEATS, SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM. Check the recalls section for your exact year/VIN.
What does fault code P0300 mean on the Buick Regal?
Random/Multiple Cylinder Misfire Detected This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
What does fault code P0128 mean on the Buick Regal?
Coolant temperature below thermostat regulating temperature — thermostat stuck open or faulty This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
What does fault code P0011 mean on the Buick Regal?
A Camshaft Position Timing Over-Advanced or System Performance (Bank 1) This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
Are brakes problems common on the Buick Regal?
Yes — 258 of 1307 real owner reports filed with NHTSA mention the brakes. One owner reported: “FAILURE OF THE REAR BRAKE LINE PIPE WHICH CARRIES BRAKE FLUID, BRAKE FLUID LEAKAGE RESULTED IN LOSS OF BRAKES RECALL 83V106000. *AK…” See the owner-reported complaints section below for more.
Are electrical problems common on the Buick Regal?
Yes — 364 of 1307 real owner reports filed with NHTSA mention the electrical. One owner reported: “PHOTO CELL DEFECTIVE FOR HEADLIGHTS, GO OFF AT NIGHT WHILE DRIVING. *SD…” See the owner-reported complaints section below for more.
Are engine problems common on the Buick Regal?
Yes — 474 of 1307 real owner reports filed with NHTSA mention the engine. One owner reported: “ENGINE FELL OUT WHILE TRAVELING ON HIGHWAY. CRADDLE BOLTS ATTACHED TO VEHICLE WERE ROTTEN.*AK…” See the owner-reported complaints section below for more.
What tyres does the Buick Regal (1975–2020) use?
The original OEM tyre size for the Buick Regal (1975–2020) is 215/55 R16. Compatible alternative sizes: ["245/45R19", "245/50R17", "235/45R18", "225/55R17"]. See the Tyres section on this page to compare offers from the main suppliers.
Which OBD2 fault codes are commonly documented for the Buick Regal (1975–2020)?
Commonly documented OBD2 codes across many vehicles include: P0420, P0300, P0171. Find the full description, likely causes and estimated repair costs in the OBD2 Codes section on this page.
How often should the Buick Regal (1975–2020) be serviced?
Routine maintenance for the Buick Regal (1975–2020) typically includes an oil change every 6,000–9,000 miles (10,000–15,000 km), an air filter every 12,000–18,000 miles (20,000–30,000 km) and a brake inspection every 12,000 miles (20,000 km). Check the full plan with specific intervals in the Scheduled Maintenance section on this page.
Have a specific fault code on your Buick Regal (1975–2020)? Search the code in the OBD2 section of this page or use the full TroubleAtlas DTC database. Need tyres? Compare prices and compatible sizes in the TroubleAtlas comparator.