2018 Chevrolet Traverse Technical Service Bulletins

1,108 technical service bulletins (TSBs) are on record for the 2018 Chevrolet Traverse. 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.

• 10151853Nov 15, 2018Transmission and drivetrain, Electrical system. This Preliminary information communicates Diagnostic information for the Shift to Park message. Engineering is still investigating the root cause. The PI will be updated to a bulletin once the final root is understood.
• 10155099Nov 14, 2018Equipment. This informational bulletin provides a procedure to replace any damaged floor liners.
• 10151836Nov 13, 2018Engine. This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024). Revised to include the possibility of setting in pairs and some drivability concerns.
• 10155113Nov 9, 2018Electrical system, Equipment. This technical bulletin proves a procedure to update the rear infotainment monitors if found the cause of the audio concerns.
• 10155075Nov 8, 2018Engine cooling. This preliminary informational bulletin provides repair information for a customer concern of an engine runs rough with the Check Engine Light (CEL) on/low compression on cylinder with misfire. A technician may find DTC P0300 set.
• 10155101Nov 5, 2018Equipment. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim.
• 10155080Nov 1, 2018Equipment. This engineering informational bulletin is requesting information pictures of windshield, steering wheel and/or door trim panel for product issues covered under warranty.
• 10147401Oct 23, 2018Equipment. This Preliminary information communicates
• 10147367Oct 10, 2018Equipment. 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 high and low pressures, outside temperature, humidity, and vent temperature.
• 10147364Oct 9, 2018Engine. This Preliminary information communicates additional diagnostics to assist the dealer technician with diagnosing and repairing trouble code P2097.
• 10147363Oct 9, 2018Engine, Equipment. This Preliminary information communicates to the technician where to find the engine identification tag and what information on that tag to use during programming of someengine control modules.
• 10147348Oct 3, 2018Fuel system. 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.
• 10144476Aug 28, 2018Equipment. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10144471Aug 27, 2018Engine, Transmission and drivetrain. This Preliminary information communicates the Control Valve Body spacer plate orifice #33 may be restricted as root cause for themay not go above 30 mph, may be stuck in 2nd gear, will not upshift, MIL is on, and/or DTC P2821 concern,to replace the plate as necessary.
• 10144464Aug 20, 2018Lane departure. This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist.Starting with2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that…
• 10145174Aug 13, 2018Transmission and drivetrain. 18126 - Service Update. Certain vehicles may have a condition where the electronic control module (ECM) does not respond to on board diagnostics (OBD) test tools with the required calibration verification number (CVN). Reprogram the ECM.
• 10187432Aug 9, 2018Electrical system, Transmission and drivetrain. This informational bulletin provides information for software update and transmission flush to correct a slight shutter felt during gear shift.
• 10186123Aug 9, 2018Transmission and drivetrain, Electrical system. This informational bulletin provides information for software update and transmission flush to correct a slight shutter felt during gear shift.
• 10144454Aug 9, 2018Engine cooling, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark Plug Tube is leaking and it is determined that the oil or coolant is not coming from a leak above the spark plug then replace the cylinder Head, spark plug and coil.
• 10144453Aug 9, 2018Engine, Engine cooling. This Preliminary Information communication provides information to the technician that Diagnostic Trouble Codes P0016, P0017, P0018, P0019, P0008 or P0009 may be set. Technician will need to inspect for loose timing chains or tensioners. If after following Service Information diagnostics the root cause is not found inspect the reluctor for the crankshaft sensor. If the reluctor has moved then replace crankshaft.
• 10144451Aug 8, 2018Engine. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
• 10143781Jul 26, 2018Equipment. This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024).
• 10143762Jul 12, 2018Engine cooling. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Technician will need to inspect the oil cooler if equipped for possible leaking into the cooling system through the radiator. If no issue found replace the engine as well as all rubber coolant hoses.
• 10143758Jul 9, 2018Equipment. This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. There are pictures of all the individual modules for identification purposes.
• 10143752Jul 3, 2018Visibility (wipers, defrost, mirrors). This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10143453Jun 26, 2018Engine. This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024).
• 10143449Jun 20, 2018Equipment. 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 high and low pressures, outside temperature, humidity, and vent temperature.
• 10143740Jun 15, 2018Engine, Engine cooling. 18186 - Customer Satisfaction Program. Certain 2018 model year Buick Enclave, Chevrolet Impala and Chevrolet Traverse vehicles, equipped with a 3.6L engine (RPO LFX or LFY), may have a condition where the piston oil control ring may have been damaged during installation. If this happened, it could lead to excess oil consumption in the combustion chamber and result in an engine misfire, a check engine light, and low…
• 10143444Jun 15, 2018Transmission and drivetrain. This Preliminary Information communication advises the technician that the Product Quality Center has ended the part restriction for the T87A Transmission Control Module.
• 10143443Jun 14, 2018Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.
• 10143429Jun 11, 2018Engine, Electrical system. This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. In some cases Techline Customer Support Center may need to be contacted to resolve the issue.
• 10143427Jun 8, 2018Equipment. This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10143422Jun 1, 2018Electrical system. This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. This may be caused by a software concern in the Instrument panel Cluster(IPC). The dealer is instructed that engineering is working on a resolution to this concern and when it is…
• 10141371May 23, 2018Equipment, Electrical system. This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
• 10141356May 15, 2018Transmission and drivetrain. This Preliminary information communicates the Control Valve Body spacer plate orifice #33 may be restricted as root cause for the may not go above 30 mph, may be stuck in 2nd gear, will not upshift, MIL is on, and/or DTC P2821 concern, to replace the plate as necessary.
• 10141355May 15, 2018Equipment, Electrical system. This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. This may be caused by a software concern in the Instrument panel Cluster(IPC). The dealer is instructed that engineering is working on a resolution to this concern and when it is…
• 10141351May 11, 2018Forward collision avoidance. This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
• 10141348May 8, 2018Equipment. This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024).
• 10137599Apr 27, 2018Equipment. This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic.
• 10137598Apr 26, 2018Electrical system, Equipment. This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern.
• 10137595Apr 26, 2018Equipment. This technical bulletin provides a procedure to test the radios receiver if certain XM channels cut out (mutes) depending on location of the vehicle.
• 10137559Apr 25, 2018Equipment. This bulletin provides information on approved warranty part numbers for original equipment batteries.
• 10137482Apr 23, 2018Electrical system. This technical bulletin provides a procedure to perform diagnostics on the codes set and if no problem is found, to replace either the input or output speed sensor.
• 10137590Apr 20, 2018Body and structure, Electrical system. This informational bulletin provides information for dealership personal and technicians when replacing the body control module (BCM), that a 2nd design BCM is NOT interchangeable with the 1st design BCM.
• 10137556Apr 20, 2018Electrical system. This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown.
• 10137513Apr 20, 2018Equipment. This Preliminary Information communication provides information to the technician about vehicles that when a phone does not charge properly or charging cycles is on and off rapidly when connected to the single port USB hub of the vehicle.
• 10137589Apr 19, 2018Engine cooling. This informational bulletin provides information for engine oil life monitor operation calculation.
• 10137577Apr 19, 2018Electrical system. This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.
• 10137586Apr 18, 2018Transmission and drivetrain, Electrical system. This technical bulletin provides a procedure to have the valve body spacer plate replacement and transmission control module reprogramming with the latest software.
• 10137485Apr 16, 2018Seats. This technical bulletin provides a procedure to disengage the jammed parts and release the gears for proper function caused by the mechanical of the height adjustment being jammed, not broken creating a condition of difficult to adjust the seat height and/or seat stuck mostly in lowest position.

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