2017 Buick Lacrosse Technical Service Bulletins

1,204 technical service bulletins (TSBs) are on record for the 2017 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.

• 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.
• 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…
• 10126922Dec 4, 2017Vehicle speed control. This Preliminary Information communication provides information to the technician that some owners may notice at roughly 3/4 of the way through the accelerator pedal travel there is a click felt in the pedal also the pedal gets harder to push. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10139186Dec 1, 2017Electrical system. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10126920Dec 1, 2017Transmission and drivetrain. This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes.
• 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.
• 10139113Nov 29, 2017Forward collision avoidance, Lane departure. This Technical bulletin Reprograms the Radar Sensor Module-Long Range to correct a Forward Collision Alert Inoperative, Unwanted Application of Emergency Brakes and/or Adaptive Cruise Control Drops Out condition.
• 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.
• 10140337Nov 28, 2017Equipment. This technical bulletin provides a procedure to reprogram the HMI module to correct a condition of Radio Intermittently Starts At Home Screen Unwanted and Unable To Enter Certain Addresses Using The Touch Screen due to a calibration concern.
• 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.
• 10139085Nov 27, 2017Electrical system, Equipment. This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility.
• 10135155Nov 27, 2017Wheels, Body and structure. 17409 - Customer Satisfaction. Certain vehicles, that have had an engine replacement may have the wrong torque applied to front cradle-to-body bolts (M14) and front cradle stabilizer brackets-to-body bolts (M10). The Engine Replacement Service Procedure in the vehicle Service Information instructs technicians to use improper torque values when reattaching the cradle. Dealers will replace bolts (M14 and M10), verify…
• 10139141Nov 22, 2017Back-over prevention (rear camera). This informational bulletin provides a diagnostic tip for rear vision camera image that is grainy, distorted and/or pixelated
• 10139095Nov 22, 2017Equipment. This bulletin describes the Dealer special tool loan program process.
• 10139089Nov 22, 2017Equipment, Transmission and drivetrain, Engine. This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use.
• 10125127Nov 20, 2017Electrical system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technician will need to perform a scan for Diagnostic Trouble Codes. Technician will need to follow published Service Information diagnostics if there are Diagnostic Trouble Codes…
• 10125125Nov 20, 2017Electrical system. This Preliminary information communicates a false setting of DTCU0121 in the FVCM due to a FVCM software anomaly. Code U0121 will set and be moved to history in the FVCM with each ignition cycle.
• 10125122Nov 20, 2017Electrical 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…
• 10139130Nov 17, 2017Equipment. This Technical bulletin provides a procedure for radio replacement due to the radio tuner module being bad.
• 10139118Nov 17, 2017Equipment. This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs.
• 10139108Nov 17, 2017Visibility (wipers, defrost, mirrors). This informational bulletin provides information for assisting the customer in setting the position for the memory mirror and the reverse tilt
• 10139093Nov 17, 2017Equipment. This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative.
• 10139090Nov 17, 2017Engine, Electrical system. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
• 10125121Nov 17, 2017Equipment. This Preliminary information communicates to the technician, that they may be working on a concern of a Service Driver Assist System Message with B172E stored in history Do not replace any parts. Engineering is aware of the issue and a new control module is in development and will be available Q1 2018.
• 10125119Nov 17, 2017Equipment. This Preliminary information communicates that engineering has found a fix for P3260.
• 10135152Nov 16, 2017Steering, Transmission and drivetrain. 17415-Service Update. Certain vehicles may have a condition in which the inner front-of-dash seal for the steering shaft may not be properly installed. If this condition is present water could accumulate inside the lower steering boot and, over time, cause corrosion of the intermediate and pinion steering shafts. This corrosion could damage the pinion seal, allowing water to reach the torque sensor. Dealers will…
• 10140347Nov 14, 2017Engine. This engineering informational bulletin ends the need for information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTC P0171 and/or P0174.
• 10125115Nov 14, 2017Equipment, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technician will need to perform a scan for Diagnostic Trouble Codes. Technician will need to follow published Service Information diagnostics if there are Diagnostic Trouble Codes…
• 10125106Nov 7, 2017Electrical system. This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odometer. If a hand held GPS unit is not available, the only other option is to verify the miles traveled using a surveyor's wheel or a dynamometer.
• 10191073Nov 1, 2017Steering. Condition Certain 2017 model year Buick LaCrosse vehicles may have a condition in which the inner front-of-dash seal for the steering shaft may not be properly installed. If this condition is present water could accumulate inside the lower steering boot and, over time, cause corrosion of the intermediate and pinion steering shafts. This corrosion could damage the pinion seal, allowing water to reach the torque…
• 10191072Nov 1, 2017Equipment, Engine. Certain 2017 model year Buick LaCrosse or GMC Acadia vehicles, that have had an engine replacement may have the wrong torque applied to front cradle-to-body bolts (M14) and front cradle stabilizer brackets-to-body bolts (M10). The Engine Replacement Service Procedure in the vehicle Service Information instructs technicians to use improper torque values when reattaching the cradle. Correction Replace bolts (M14 and…
• 10190257Nov 1, 2017Equipment. Poor A/C Performance
• 10190242Nov 1, 2017Electrical system. Malfunction Indicator Lamp (MIL) Illuminated - DTC P3409 and/or P3433 Condition Some customers may comment that the MIL is illuminated. The technician may find one or more of the following DTCs set: • P3409 • P3433 Cause This condition may be caused by a wiring issue with both/either the cylinder 2 deactivation solenoid oil control valve circuit and/or the cylinder 5 deactivation solenoid oil control valve circuit…
• 10123289Oct 30, 2017Electrical system. This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Changes to Preliminary informationinclude adding MY2018, advising of calibration for previous investigation and adding pictures to identify concern.
• 10134583Oct 27, 2017Electrical system. This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set.
• 10134571Oct 27, 2017Equipment, Engine cooling. This technical bulletin provides a procedure to inspect the A/C heat exchanger for possible weak welds, that may leak refrigerant causing the A/C system to not work properly.
• 10134594Oct 25, 2017Equipment, Engine. This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
• 10134621Oct 24, 2017Equipment. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
• 10134618Oct 23, 2017Equipment. This informational bulletin provides information to the customer on the radio display "info pages" being blank and to make sure to select in the "active info pages" menu.
• 10134573Oct 19, 2017Transmission and drivetrain. This informational bulletin advised the technician not to do anything about the DTC set.
• 10134572Oct 18, 2017Equipment, Electrical system. This technical bulletin provides a procedure to replace the RCDLR for vehicles with multiple concerns regarding the door remote controls and TPM sensors due to an internal concern within the RCDLR.

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