2016 Buick Lacrosse Technical Service Bulletins

1,241 technical service bulletins (TSBs) are on record for the 2016 Buick Lacrosse. 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.

• 10137368Feb 13, 2018Air bags, Electrical system. This Technical bulletin explains how the airbag electrical connector may not be installed completely and may need to be re connected to correct the codes that were set.
• 10137345Feb 13, 2018Equipment. This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.
• 10129864Feb 7, 2018Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have hard start, extended crank, or black smoke from the exhaust when starting. Technician will need to perform fuel quality test, spark test, and a compression test. Technician should also install a vacuum gauge prior to cold start and watch needle for signs of a sticking valve.
• 10129857Feb 5, 2018Electrical system. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
• 10137341Feb 1, 2018Electrical system, Equipment. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10139283Jan 31, 2018Electrical system, Equipment. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10139279Jan 31, 2018Engine cooling. This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system.
• 10129104Jan 31, 2018Fuel system. This Preliminary Information communication advises the technician on the steps to diagnose the concern, and the steps to repair the concern of Diagnostic Trouble Code P228C setting. The technician is to inspect the fuel and readings for the High Pressure Fuel Pump. The technician is to drain and clean fuel tank and all lines if contamination is found. The technician is to replace the high pressure fuel pump and the…
• 10129102Jan 30, 2018Electrical system. This Preliminary Information communication provides information to the technician about vehicles that the voice recognition is inoperative. Technician will need to toggle through all languages then back to the desired language.
• 10139282Jan 29, 2018Electrical system. This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
• 10139272Jan 26, 2018Equipment. This informational bulletin provides information retaining to the fact that Service Manuals will now be available on USB.
• 10129097Jan 25, 2018Engine. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
• 10129095Jan 24, 2018Back-over prevention (rear camera). This Preliminary Information communication provides information on a rattle, tick, or knock type noise. Any drivability concerns they should be addressed prior to the following diagnostic progression. A sound file or video with sound of the noise needs to be made prior to dis-assembly to help isolate to one area in the engine. There are four different steps to diagnosis the concern. This communication was updated…
• 10129089Jan 23, 2018Wheels. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
• 10129073Jan 18, 2018Engine. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
• 10139280Jan 17, 2018Visibility (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.
• 10139284Jan 12, 2018Engine cooling. This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.
• 10139277Jan 12, 2018Equipment. This information bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
• 10139278Jan 8, 2018Electrical system, Transmission and drivetrain, Visibility (wipers, defrost…. This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
• 10139276Jan 4, 2018Tires. This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
• 10129051Jan 4, 2018Equipment. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components.
• 10139225Dec 22, 2017Equipment, Electrical system. This informational bulletin provides information and Tips for Customers Having Difficulty Launching Android Auto or Apple CarPlay.
• 10139209Dec 21, 2017Fuel system. This informational bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles.
• 10126983Dec 19, 2017Engine cooling. This Preliminary Information communication informs dealer technicians of a potential whining noise that can occur after servicing the water pump, water pump chain or cylinder head without use of the water pump sprocket holding tool. Dealers are advised this condition is the result of a water pump chain tensioner ratcheting out. The dealer is directed to follow service information to reset the water pump chain…
• 10126982Dec 19, 2017Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency…
• 10126974Dec 18, 2017Equipment. This Preliminary Information communication provides information to the technician about vehicles that the radio will not retain the previous settings and will go to the Home Icon screen when the vehicle is restarted. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is currently evaluating this concern.
• 10126973Dec 18, 2017Equipment. This Preliminary Information communication advises the technician how to determine if the vehicle is equipped with wireless fidelity. Technician should check the Regular Production Option Code list for (VV4).
• 10126972Dec 18, 2017Electrical 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.
• 10139216Dec 15, 2017Visibility (wipers, defrost, mirrors). This Bulletin provides procedures to correct a condition of Power Foldaway Mirror Glass Shake, Flutter at Normal Driving Speeds
• 10139208Dec 15, 2017Equipment. This warranty administration bulletin provide policy information on required operating procedures.
• 10139167Dec 14, 2017Tires. This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
• 10139179Dec 12, 2017Transmission and drivetrain. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
• 10139212Dec 11, 2017Equipment. This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs.
• 10126958Dec 11, 2017Engine cooling. This Preliminary Information communication provides information to the technician with information regarding high misfire rates always on #1 cylinder. A customer may complain of misfires or roughness on cold start up with a P0300 diagnostic trouble code. Technician is to add coolant dye to the system and run the engine through warm up to circulate the dye. Pressurize the cooling system after a cold soak and inspect…
• 10139185Dec 7, 2017Electrical system. This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
• 10139181Dec 7, 2017Equipment. This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels.
• 10126951Dec 6, 2017Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10139187Dec 5, 2017Electrical system. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10139220Dec 4, 2017Equipment. This Bulletin provides a procedure to activate/enable 4G LTE Wi-Fi Hotspot on New vehicle.
• 10139211Dec 4, 2017Equipment. This informational bulletin provides information to dealership personnel on enhancing field product reports with digital pictures.
• 10139176Dec 4, 2017Equipment. This informational bulletin provides information for the technicians on multi-media infotainment tester (MIT), does not function properly when diagnosing infotainment complaints, which may lead to mis-diagnosis.
• 10126923Dec 4, 2017Brakes. This Preliminary Information communication provides information to the technician about vehicles that have a crank but engine does not start concern.Technician will use this publication to reset the battery low state of charge concern after extended crank where the vehicle will no longer crank anymore and the cause of the no start concern is repaired.If Diagnostic Trouble Code P0AFA is the only Diagnostic Trouble…
• 10139186Dec 1, 2017Electrical system. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10139099Nov 30, 2017Equipment. This technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that experience normal audio. This could be due to interference from transmitting sources outside of Sirius XM?s frequency range.
• 10139088Nov 30, 2017Equipment, Engine cooling. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10140340Nov 28, 2017Equipment. This preliminary information bulletin provides a procedure on how to check for the customer concern of a blank radio with/without audio, by checking the the wiring harness, ECU and reprograming the HMI software update, if the wiring or ECU are not the cause.
• 10139116Nov 28, 2017Equipment. This informational bulletin provides information for the technician when looking up the P/N for the 3.5 mm audio jack for the USB, to make sure and enter the VIN# to ensure the correct part is being ordered.
• 10139097Nov 28, 2017Electrical system, Equipment. This technical bulletin provides multiple fixes for a condition of a waiting for update screen appearing on the display, due to either a reprogramming of the hmi module or due to a fuse that needs to be pulled and restarting of the module.
• 10125136Nov 28, 2017Equipment. This Preliminary Information communication provides information to the technician about vehicles that the navigation system will be unable to enter addresses that contain diacritics using the touch screen. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
• 10139085Nov 27, 2017Electrical system, Equipment. This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility.

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