Technical Service Bulletins, 2020 BUICK REGAL
649 manufacturer communications from 330 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
| 350000 EQUIPMENT | 131 |
| 060000 ENGINE AND ENGINE COOLING | 84 |
| 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL | 69 |
| 110000 ELECTRICAL SYSTEM | 66 |
| 100000 POWER TRAIN | 43 |
| 200000 WHEELS | 27 |
| 060000 ENGINE (PWS) | 26 |
| 356000 EQUIPMENT ADAPTIVE/MOBILITY | 22 |
200000 WHEELS
This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
350000 EQUIPMENT
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
110000 ELECTRICAL SYSTEM
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
350000 EQUIPMENT
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
110000 ELECTRICAL SYSTEM
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
350000 EQUIPMENT
This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
200000 WHEELS
This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
110000 ELECTRICAL SYSTEM
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
118530 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING
This service bulletin provides repair information to correct a customer concern of seeing a Shift to Park Message Displayed in DIC.
103960 POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:PARK PAWL
This service bulletin provides repair information to correct a customer concern of seeing a Shift to Park Message Displayed in DIC.
110000 ELECTRICAL SYSTEM
This service bulletin provides repair information to correct a customer concern of seeing a Shift to Park Message Displayed in DIC.
103400 POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
This service bulletin provides repair information to correct a customer concern of seeing a Shift to Park Message Displayed in DIC.
100000 POWER TRAIN
This service bulletin provides repair information to correct a customer concern of seeing a Shift to Park Message Displayed in DIC.
118000 ELECTRICAL SYSTEM:SOFTWARE
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
350000 EQUIPMENT
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
110000 ELECTRICAL SYSTEM
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
060000 ENGINE AND ENGINE COOLING
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou
350000 EQUIPMENT
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
350000 EQUIPMENT
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
030000 BRAKES (PWS)
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
980000 UNKNOWN OR OTHER
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
060000 ENGINE AND ENGINE COOLING
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
070000 FUEL SYSTEM, GASOLINE
This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate.
060000 ENGINE AND ENGINE COOLING
This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate.
060000 ENGINE AND ENGINE COOLING
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
070000 FUEL SYSTEM, GASOLINE
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
100000 POWER TRAIN
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle
060000 ENGINE AND ENGINE COOLING
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle
353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
This Preliminary information communicates to dealers of a known issue with failed map update
350000 EQUIPMENT
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs.
110000 ELECTRICAL SYSTEM
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs.
350000 EQUIPMENT
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present o
110000 ELECTRICAL SYSTEM
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present o
160000 STRUCTURE
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
100000 POWER TRAIN
This PI bulletin advises the technician on the proper way to install the pistons in an engine.
060000 ENGINE AND ENGINE COOLING
This PI bulletin advises the technician on the proper way to install the pistons in an engine.
120000 EXTERIOR LIGHTING
This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Di
110000 ELECTRICAL SYSTEM
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking
110220 ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
980000 UNKNOWN OR OTHER
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
060000 ENGINE AND ENGINE COOLING
This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminateda??.
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
350000 EQUIPMENT
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
060000 ENGINE AND ENGINE COOLING
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
110000 ELECTRICAL SYSTEM
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
350000 EQUIPMENT
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
110000 ELECTRICAL SYSTEM
This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.
100000 POWER TRAIN
This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.
060000 ENGINE AND ENGINE COOLING
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
110000 ELECTRICAL SYSTEM
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
120000 EXTERIOR LIGHTING
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
350000 EQUIPMENT
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
020000 SUSPENSION
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the
030000 SERVICE BRAKES, HYDRAULIC
This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
200000 WHEELS
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
100000 POWER TRAIN
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
060000 ENGINE AND ENGINE COOLING
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
020000 SUSPENSION
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
010000 STEERING
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
200000 WHEELS
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
110000 ELECTRICAL SYSTEM
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present o
350000 EQUIPMENT
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present o
110000 ELECTRICAL SYSTEM
This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States.
350000 EQUIPMENT
This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States.
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
060000 ENGINE AND ENGINE COOLING
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
200000 WHEELS
This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
200000 WHEELS
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
190000 TIRES
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi
110000 ELECTRICAL SYSTEM
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates a change in service procedure for the thermostat on this enigne.
350000 EQUIPMENT
This bulletin provides information on Warranty Administration a?? Required Operating Procedures - 8 Points (U.S. Only).
117100 ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
350000 EQUIPMENT
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
110000 ELECTRICAL SYSTEM
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
030000 BRAKES (PWS)
This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
060000 ENGINE AND ENGINE COOLING
This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter.
100000 POWER TRAIN
This service bulletin provides information on RDM Axle Ratios for AWD Vehicles for Vibration Diagnostics When Using the Pico Scope.
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This bulletin provides information on Warranty Administration a?? Required Operating Procedures - 8 Points (U.S. Only).
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
060000 ENGINE AND ENGINE COOLING
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
100000 POWER TRAIN
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
060000 ENGINE AND ENGINE COOLING
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
100000 POWER TRAIN
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the
350000 EQUIPMENT
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
350000 EQUIPMENT
This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
350000 EQUIPMENT
This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States.
Showing 100 of 649 bulletins.
NHTSA Safety Investigations, BUICK REGAL
Investigations opened by NHTSA into potential safety defects. These are separate from recalls and may or may not result in a recall.
RP, Closed
, Model Year: 1988
STRUCTURE
There is no summary currently available
EA, Closed
, Model Year: 1989
ENGINE CRADLE SEPARATION
THE ENGINE CRADLE FRONT BOLTS AND/OR RETAINERS MAY FAIL, ALLOWING THE FRONT OF THE ENGINE CRADLE TO FALL, POSSIBLY SEPARATING THE STEERING INTERMEDIATE SHAFT FROM THE STEERING GEAR, WITH COMPLETE LOSS OF STEERING CONTROL
EA, Closed
, Model Year: 1995
INADVERTENT AIR BAG DEPLOYMENT
There is no summary currently available
RQ, Open
, Model Year: 1989
ENGINE CRADLE SEPARATION
ON APRIL 1, 1997, GENERAL MOTORS CORPORATION FILED A DEFECT INFORMATION REPORT TO RECALL THE SUBJECT VEHICLES, REGISTERED IN 14 HIGH CORROSION STATES, TO REPLACE THE REAR ENGINE CRADLE BOLTS AND RETAINERS.THE REAR ENGINE CRADLE BOLTS WOULD EITHER FRACTURER OR PULL THROUGH THE RETIANERS DUE TO CORROS
... ION.AS OF SEPTEMBER 1998, THE SIXTH QUARTER, 59.3% OF THE SUBJECT VEHICLES HAD BEEN REPAIRED.IN ADDITION TO THE COMPLAINTS OF FRONT ENGINE CRADLE BOLT FAILURES IN THE ABOVE FAILURE REPORT SUMMARY, ODI HAS RECEIVED SIX REPORTS OF POSSIBLE FRONT ENGINE CRADLE BOLT FAILURES, INCLUDING TWO CRASHES.AN RQ IS WARRANTED TO DETERMINE THE EXTENT OF FAILURES OF THE FRONT ENGINE CRADLE BOLTS AND RETAINERS ON THE SUBJECT VEHICLES.Read more
RQ, Open
, Model Year: 1988
CRADLE BOLT FAILURES
There is no summary currently available
EA, Closed
, Model Year: 1996
INAPPROPRIATE AIR BAG DEPLOYMENT
THE FAILURE RATE (1.25/100K) ON THIS ISSUE IS LOW.A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF THE AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITURE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS.O
... DI WILL CONTINUE TO CLOSELY MONITOR THIS ISSUE.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.AN ENGINEERING ANALYSIS CLOSING REPORT IS INCLUDED IN THE PUBLIC FILE.Read more
PE, Closed
, Model Year: 1988
CORRODED REAR DISK BRAKES
There is no summary currently available
PE, Closed
, Model Year: 1986
SUB-FRAME ABSORBER FAILURE
There is no summary currently available
PE, Closed
, Model Year: 1991
FUEL LINE SEPARATION
There is no summary currently available
EA, Closed
, Model Year: 1988
W-CAR HINGE PIN FAILURE
There is no summary currently available
EA, Closed
, Model Year: 1990
JACK FAILURE
===
PE, Closed
, Model Year: 1988
W-CAR HINGE PIN FAILURE
There is no summary currently available
PE, Closed
, Model Year: 1990
JACK FAILURE
There is no summary currently available
PE, Closed
, Model Year: 1987
STEERING WHEEL SEPARATION
There is no summary currently available
EA, Closed
, Model Year: 1988
REAR WHEEL BEARINGS FAIL
There is no summary currently available
PE, Closed
, Model Year: 1988
FAILURE STOP LAMP SWITCH
There is no summary currently available
PE, Closed
, Model Year: 1984
CRUISE CONTROL FAILURE
There is no summary currently available
PE, Closed
, Model Year: 1985
PARKING BRAKE CABLE
===
PE, Closed
, Model Year: 1985
JAMMED STEERING MECHANISM
SUMMARY: THE OIL FILL TUBE MAY BECOME LOOSE, CAUSING IT TO FALL ANDPOSSIBLY BECOME LODGED NEAR THE STEERING GEAR.THIS MAY CAUSE THESTEERING MECHANISM TO BECOME JAMMED, RESULTING IN A LOSS OF VEHICLECONTROL.===
DP, Closed
, Model Year: 1982
82 BUICK SEAT DISLODGEMENT
82 BUICK SEAT DISLODGEMENT
DP, Closed
, Model Year: 1978
V-6 STALLING DUE TO FUEL FILTER
V-6 STALLING DUE TO FUEL FILTER