2012 Buick RegalService bulletins
2012 Buick Regal Technical Service Bulletins
1,751 technical service bulletins (TSBs) are on record for the 2012 Buick Regal. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.
- 10137878Mar 24, 2014Equipment, Engine cooling. This preliminary bulletin provides a procedure to replace the main drive belt and tensioner.
- 10137866Mar 17, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
- 10137860Mar 12, 2014Steering. This preliminary bulletin provides a procedure to repair or replace the steering column seal to correct the customers concern of a groan, squeak or rubbing noise when turning the steering wheel.
- 10111859Mar 11, 2014Electrical system. This Preliminary Information communication advises the technician that the Battery Energy Control Module parts 20969054 and 22987539, Generator Control and Battery Module 23102218 and 23102217, and the Generator Battery Sections 1 And 2 part number 20813602 will remain on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for…
- 10111850Mar 5, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that when a Canadian customer may comment that when they travel to the United States, they are unable to connect to OnStar or use hands free calling. Dealer can advise the customer that the existing cell phone provider not having roaming agreements in areas outside of Canada.
- 10111849Mar 5, 2014Electrical system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a frequent "off route" messages while following Turn by Turn route. Technicians will need to remove power from the Vehicle Communication Interface Module for one hour and retest for the concern.
- 10111848Mar 5, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that has no XM audio on certain channels but XM channel info is displayed. Technician will need to contact XM and deactivate and activate the module.
- 10111846Mar 4, 2014Electrical system. This Preliminary Information communication provides information to the technician about a customer?s request to install OnStar Bluetooth. Dealer should be advised at this time, there are no provisions to add this option to vehicles that were not built with it.
- 10111845Mar 4, 2014Equipment, Electrical system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Technician verifies there are no Diagnostic Trouble Codes are present in the Antilock Braking System and Vehicle Communication Interface Module of the vehicle. If no Diagnostic Trouble Codes found call OnStar using…
- 10247681Mar 1, 2014Equipment. Information On Requests To Add OnStar Bluetooth Option.
- 10246982Mar 1, 2014Electrical system. Checking Smartphone Bluetooth Software Update Status
- 10246977Mar 1, 2014Engine cooling. Whine Noise Underhood.
- 10245950Mar 1, 2014Equipment. Canadian Customers Unable To Place Calls In The United States
- 10245757Mar 1, 2014Equipment. Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below)
- 10073396Mar 1, 2014Equipment. Summary to be provided on a future date.
- 10073340Mar 1, 2014Engine. Summary to be provided on a future date.
- 10070180Mar 1, 2014Equipment. Summary to be provided on a future date.
- 10069979Mar 1, 2014Equipment. Summary to be provided on a future date.
- 10069296Mar 1, 2014Steering. Summary to be provided on a future date.
- 10052313Mar 1, 2014Engine cooling, Hybrid propulsion system. General motors: tac part restriction for the bas+ (hybrid) eassist. *kb updated 05/16/2014
- 10138656Feb 28, 2014Latches, locks and linkages, Body and structure, Electrical system. This preliminary bulletin provides a procedure to install a new relay to control the trunk opening up when the button has been accidently pressed.
- 10138649Feb 26, 2014Electrical system. This technical bulletin provides a procedure on how to turn the transport mode message of and reset the battery light flashing.
- 10111967Feb 26, 2014Electrical system, Engine. This Preliminary Information communication provides information to the technician about vehicles that have a loud whine noise from under the hood. On 2010 Buick LaCrosse and 2011 Buick Regal with Regular Production Option Code (LAF) engine technician will need to compare to a known good vehicle and replace the Brake Booster Electric Vacuum Pump only if an abnormal noise is heard.
- 10111966Feb 26, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down, remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle.
- 10111964Feb 26, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have the OnStar system does not respond properly to some numbers and/or voice commands. Dealer should direct the customer to review the operational characteristics in the OnStar Users Guide.
- 10111963Feb 26, 2014Vehicle speed control, Brakes. This Preliminary Information communication provides information to the technician about vehicles that have a grind growl noise on the 1-2 shift that can be felt in the clutch pedal and brake pedal if applied during a 1-2 shift under light or normal acceleration. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
- 10138646Feb 25, 2014Transmission and drivetrain, Engine, Equipment. This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all the information in relation to that part being returned.
- 10138644Feb 25, 2014Steering. This preliminary bulletin provides a procedure to repair or replace the steering column seal to correct the customers concern of a groan, squeak or rubbing noise when turning the steering wheel.
- 10111962Feb 25, 2014Electrical system. This Preliminary Information communication advises the technician that when replacing the camshaft part number 12626660. Technician will need to ensure that the date code and the finish of the camshaft. If the cam is discolored or has chatter marks, have parts department send the cam back as (MR code7) new defective.
- 10111958Feb 24, 2014Visibility (wipers, defrost, mirrors), Engine. This Preliminary Information communication provides information to the technician about vehicles that have a mist from Instrument Panel vents, moisture on inside of windshield, water drips on driver?s foot or floor is wet. Technician will need to reposition the shift cable to the driver?s side of the vehicle and push slack of the cable and the insulator forward into engine compartment. Technician will also…
- 10111955Feb 24, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that the keyless entry is inoperative. Technician should inspect the ignition key cylinder door sticks in the up position. If the door is found open do not replace the ignition key cylinder, use a Lubriplate type of lubrication spray and lubricate the ignition key cylinder door. Insert the tip of the key in and out to…
- 10138642Feb 21, 2014Latches, locks and linkages, Electrical system. This preliminary bulletin provides information on how to set the rear electric child locks.
- 10138640Feb 21, 2014Visibility (wipers, defrost, mirrors). This warranty bulletin explains how to determine if an outside mirrior was damaged by the customer and what is considered warranty and non-warranty.
- 10138639Feb 21, 2014Equipment, Wheels. This informational bulletin provides the technician the proper way to install and torque the wheel.
- 10138638Feb 21, 2014Wheels. This informational bulletin explains how to balance a chrome wheel without damaging the chrome face of the rim.
- 10138637Feb 21, 2014Wheels, Equipment, Tires. This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair.
- 10138631Feb 18, 2014Tires, Wheels. This technical bulletin provides a procedure on cleaning a leaking rim, to correct a customers concern of having a slow tire leak and low tire psi message on.
- 10138630Feb 18, 2014Equipment, Tires. This informational bulletin explains the use of Nitrogen in GM tires.
- 10138629Feb 18, 2014Tires. This bulletin provides information regarding the normal tire wear condition of slight or mild tire feathering and recommended practices.
- 10138628Feb 18, 2014Seat belts. This preliminary information provides a procedure to repair the seat belt webbing and latch by rolling it back over.
- 10111936Feb 18, 2014Electrical system. This Preliminary Information communication advises the technician that the Battery Energy Control Module parts 20969054 and 22987539, Generator Control and Battery Module 23102218 and 23102217, and the Generator Battery Sections 1 And 2 part number 20813602 will remain on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for…
- 10138621Feb 17, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
- 10111927Feb 12, 2014Brakes, Fuel system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician will need to review Techlink article from May 2013 titled "Using the Evaporative Emissions System Tester" Technician will need to follow these steps to help diagnose the issue. First after the P0442…
- 10111922Feb 12, 2014Transmission and drivetrain, Electrical system. This Preliminary Information communication provides information to the technician about vehicles with the service engine soon lamp that comes on. Technician may find Diagnostic Trouble Code U0101. Technician should review the appropriate Service Information diagnostics for DTC U0101. Also gather all other diagnostic trouble codes in the vehicle and which modules they are set in. The transmission connector pins…
- 10138612Feb 11, 2014Engine cooling, Equipment. This preliminary information bulletin provides a procedure to install a new belt and pulley to correct the customers concern of a rattle and chirping noise.
- 10111918Feb 11, 2014Equipment. This Preliminary Information communication provides information to the technician being unable to program fobs to the vehicle. Technician will need to ensure the key FOB is a new unit and has not been programmed to another vehicle previously.
- 10138609Feb 10, 2014Equipment. The informational bulletin provides a procedure to remove and repair rust from a Hem Flange.
- 10138606Feb 10, 2014Visibility (wipers, defrost, mirrors), Equipment. This warranty administration bulletion provides the dealer technician information and guidelines for claiming a windshield.
- 10138605Feb 10, 2014Equipment. This technical bulletin provides a procedure to correct the customers concern of odor coming from the Air conditioning.
- 10111916Feb 10, 2014Brakes, Steering, Electrical system. This Preliminary Information communication advises the technician to insure that global diagnostic service 2 diagnostic packages are up to date prior to learning the steering angle sensor for a diagnostic trouble code C710 symptom code 71 set in the electronic brake control module or the power steering control module. When rechecking for diagnostic trouble codes a U0074 U0077, U0180D, U01293, U0126, U0125, C0186…
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About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.