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Service bulletins for the 2018 GMC Yukon

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.

1269 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Body and frame are shown. Show all

Bulletins, newest first
PIT3946C2018-12-17. Service bulletin. STRUCTURE; EQUIPMENT. This Preliminary Information communicates an issues with the headliner sagging and how to reattach the velcro using Hardman Double Bubble Epoxy part number 04001.
PIT5272B2018-12-17. Service bulletin. STRUCTURE; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Technician will need to inspect for voids in the body sealer on the left or right side A-pillar. Technician should also inspect for voids in the body sealer at the cowl seam and apply sealer as necessary.
PIP5491A2018-11-13. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This Preliminary information communicates to the technician when diagnosing intermittent circuit concerns to look at the connector for missing weather pack seals that could allow water intrusion into the connector and lead to corrosion on the terminals.
PIT5604A2018-11-13. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT; STRUCTURE:BODY:HATCHBACK/LIFTGATE. This Preliminary information communicates if the liftglass will not open using keyless entry to verify Valet Mode is not enabled.
PIT5576B2018-10-15. Service bulletin. STRUCTURE. This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Inspect the body ground strap to insure it is connected in the proper locations and the strap eyelets are tight and do not rotate.
PIT5318E2018-08-06. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS; VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary Information communication provides information to the technician on a concern of wind buffeting noise and/or water leak.Technician is to follow the steps to apply vibration control material between the sunroof roof bow and the roof sheet metal.
PIT5533B2018-08-06. Service bulletin. SUSPENSION; STRUCTURE. This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Technician will need to loosen and then re-torque the four front frame cross member nuts and bolts.
PIT56202018-08-06. Service bulletin. STRUCTURE:FRAME AND MEMBERS. This Preliminary information communicates and issue with an itch, rattle, flutter, squeak, tick, and/or chirp type noise coming from the left I/Por A-pillar area caused by contact between the drivers fender and A pillar.
99-08-51-001D2018-06-11. Service bulletin. STRUCTURE; EQUIPMENT. Thins informational bulletin provides information on Paint-less Dent Repair Process.
060089026N2018-06-04. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE:BODY:DOOR; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); VISIBILITY:WINDSHIELD; ELECTRONIC STABILITY CONTROL (ESC). This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
17-NA-1532018-05-21. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. This informational bulletin provides information and operating tips for the hands free lift gate.
PI0564J2018-05-21. Service bulletin. STRUCTURE. This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
PI0281G2018-05-21. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
17NA2142018-05-21. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; STRUCTURE:FRAME AND MEMBERS. This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, possible battery drain concern.
PI1481B2018-05-21. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. This preliminary informational bulletin adds the 2016 model year and provides technicians with repair information to correct a customer concern of rough, uneven or irregular horizontal seam on liftgate.
18NA0792018-05-21. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM:WIRING; STRUCTURE:BODY:DOOR. This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors.
PIT5576A2018-01-16. Service bulletin. STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS; STRUCTURE:BODY:HOOD. This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Inspect the body ground strap to insure it is connected in the proper locations and the strap eyelets are tight and do not rotate.
PIT5341C2018-01-16. Service bulletin. STRUCTURE:BODY:DOOR. This Preliminary Information communication provides information to the technician about owners that want the auto door lock disabled. There is no avalible setting or Body Control Module calibration to turn off the auto door locks.
PIT5317B2018-01-16. Service bulletin. STRUCTURE. This Preliminary information communication provides information to the technician about vehicles with the rear body fuse block with a loose fuse connection. Technician will need to check terminal tension on the rear fuse block. Technician will need to replace the rear body fuse block if poor terminal tension is the issue. Technician will need to replace the appropriate terminated lead if something other than the main power buss bar has poor terminal tension.

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