WenmarOpen by Wenmar Pro

Service bulletins for the 2018 Chevrolet Traverse

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1108 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIT5411K2018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. 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.
180392018-05-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. 18039 - Customer Satisfaction Program. Certain vehicles, equipped with the Hit the Road package (RPO PCX) may have a condition in which a double charge was applied for the optional roof rack cross rails at the time of vehicle purchase. Dealers are to provide the customer with a reimbursement check in the amount of $325.
17389 (Bulletin2018-05-07. Service bulletin. POWER TRAIN. 17389 - Service Update. Some vehicles were shipped with a power transfer unit (PTU) that failed leak testing. Dealers are to replace the PTU.
17417 (Bulletin2018-05-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 17417 - Service Update. Certain vehicles may have a condition where in the personalization menu, the user can program or disable the auto door lock (ADL) function but cannot not program the auto door unlock (ADU) setting. The required intended settings shown in the Owner?s Manual are opposite, no programming of ADL and programmable ADU. Dealers are to reprogram the body control module (BCM).
PIE04362018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. 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.
PIE0433A2018-04-23. Service bulletin. FUEL SYSTEM, GASOLINE. 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.
070849020M2018-04-23. Service bulletin. EQUIPMENT. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
17NA3372018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. 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.
17NA3332018-04-23. Service bulletin. STEERING:COLUMN. This technical bulletin provides a procedure to apply butyl tape to the switch pocket to hold the retention clips against the switch to correct a condition of Power Tilt and Telescope Column switch can be or has pushed into the lower column cover.
17NA3312018-04-23. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: 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.
150603002H2018-04-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
150089005A2018-04-23. Service bulletin. EQUIPMENT; ENGINE. This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
150089004B2018-04-23. Service bulletin. EQUIPMENT. 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.
17NA3162018-04-23. Service bulletin. VISIBILITY:REAR WINDOW WIPER/WASHER. This technical bulletin provides repair information to correct a customer concern of the rear window washer inoperative.
17NA3142018-04-23. Service bulletin. SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS. This technical bulletin provides a procedure to replace the power brake booster vacuum check valve and hose to correct a condition of Intermittent Service Power Brake Assist Message With a Brake Shudder and Possible DTC P0557 Set/Stored due to the Power Brake Booster Vacuum Sensor providing intermittent incorrect vacuum values due to circuit board fault.
17NA3132018-04-23. Service bulletin. ELECTRICAL SYSTEM. This Technical bulletin provides a procedure to install a twisted 3 jumper harness to address a Service AWD Message on DIC with DTCs C1266 or C1267.
17NA2712018-04-23. Service bulletin. WHEELS:RIM. This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of wheel clicking.
174682018-04-02. Service bulletin. EQUIPMENT:OTHER:LABELS. 17468 - Customer Satisfaction Program. Certain vehicles, may have been built without a trailering package (RPO V92) before the trailering package was made standard for this trim/model. The window pricing label may incorrectly show a trailering package included with the vehicle. Provide the customer with a reimbursement check in the amount of $650.
PIP5095E2018-03-12. Service bulletin. ENGINE AND ENGINE COOLING. 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.
PIP5331F2018-03-12. Service bulletin. ENGINE. 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 to include the 2017 and 2018 model year.
PIP55572018-03-12. Service bulletin. VEHICLE SPEED CONTROL; STEERING. 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.
PIP55562018-03-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary information communicates that no repairs should be attempted for an intermittent DTC P2731 at this time.
PIC6315B2018-03-12. Service bulletin. 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 present. If the concern is and intermittent this Preliminary Information communication will be updated with a repair. When the personalization selections are not missing from the Comfort and Convenience menu but they are missing from other menus such as the Climate and Air Quality, Collision/Detection Systems, and Lighting menus, refer to bulletin 17-NA-086. Memory seat adjustments may not be available tech will need to perform a Memory Seat Module replacement/programming.
PIP5546C2018-03-12. Service bulletin. POWER TRAIN. This Preliminary information communicates if a slight shudder is felt during a shift at speeds of 40 MPH or below to perform a transmission fluid drain and fill.
PIP5180B2018-03-12. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.