2018 GMC Acadia Technical Service Bulletins

1,071 technical service bulletins (TSBs) are on record for the 2018 GMC Acadia. 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.

• 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.
• 10139174Dec 4, 2017Seats. This technical bulletin provides repair information to correct a customer concern of a squeak, rattle or creak coming from the second row/rear seat area.
• 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.
• 10125140Nov 30, 2017Equipment. This Preliminary information communicates additional diagnostics to assist the dealer technician with diagnosing and repairing trouble code P2097.
• 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.
• 10135157Nov 29, 2017Transmission and drivetrain. 17389 - Service Update. Some vehicles were shipped with a power transfer unit (PTU) that failed leak testing. Dealers are to replace the PTU.
• 10140350Nov 28, 2017Fuel system. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Engineering Information ? Malfunction Indicator Lamp (MIL) On DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2.
• 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.
• 10139137Nov 27, 2017Visibility (wipers, defrost, mirrors). This technical bulletin provides repair information to correct a customer concern of the sunshade auto open feature noisy or inoperative, and/or sunshade latch handle broken.
• 10139085Nov 27, 2017Electrical system, Equipment. This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility.
• 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.
• 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
• 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.
• 10139152Nov 16, 2017Electrical system. This informational bulletin explains to the technician to charge the battery if the vehicle battery is discharged during transport.
• 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…
• 10135144Nov 8, 2017Engine cooling. 17428 - Customer Satisfaction. Certain vehicles, equipped with 2.5L Engines (RPO LCV), may have been built with an engine block with incomplete cylinder bore machining. Engines may demonstrate high oil consumption and/or unusual engine noise. Dealers will replace the engine assembly.
• 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.
• 10191106Nov 1, 2017Engine. Condition Certain 2018 model year GMC Acadia vehicles, equipped with 2.5L Engines (RPO LCV), may have been built with an engine block with incomplete cylinder bore machining. Engines may demonstrate high oil consumption and/or unusual engine noise. Correction Dealers are to replace the engine assembly.
• 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…
• 10134633Oct 31, 2017Fuel system. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Engineering Information ? Malfunction Indicator Lamp (MIL) On DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2.
• 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.
• 10134637Oct 27, 2017Equipment. This engineering information is requesting information from the field on vehicles that have the condition of Speaker Rattle, Speaker Crackle, Poor Sound Quality, Speaker Pop, or Speaker Distortion.
• 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.
• 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.
• 10123280Oct 24, 2017Forward collision avoidance. This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
• 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.
• 10134612Oct 17, 2017Back-over prevention (rear camera). This informational bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option.
• 10123252Oct 13, 2017Equipment, Electrical 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…
• 10123244Oct 13, 2017Lane departure, Electrical system. This Preliminary Information communicates to thetechnician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering. This means that the driver should also feel some feedback from the…
• 10123243Oct 12, 2017Electrical system. 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 2019.
• 10134593Oct 11, 2017Equipment. This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
• 10134581Oct 6, 2017Wheels. This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of wheel clicking.
• 10123227Oct 5, 2017Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface control module. Engineering has determined that this code will only display in history on the scan tool and will not cause issues with OnStar system operation.
• 10134595Oct 3, 2017Electrical system, Equipment. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10123222Oct 3, 2017Equipment, Electrical system. This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availability.
• 10134582Oct 2, 2017Steering. This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Reduced Steering Assist Message with DTC C0460 Sym 5A due to a software abnormality.
• 10190376Oct 1, 2017Fuel system, Other or unknown, Equipment. Engineering Information – Malfunction Indicator Lamp (MIL) On, DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2
• 10190339Oct 1, 2017Equipment, Electrical system. Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Access to the battery specification label, which contains the OEM part number and CCA rating and type, may be difficult without component removal. Refer to the table below for the original…
• 10190338Oct 1, 2017Equipment. Essential Tools that Include Consumable Parts (U.S. Only)

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