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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

Bulletins, newest first
PIP5477C2019-04-08. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer technician that the 10R90 and 10L80 transmissions have been placed on a part exchange. Dealers are to contact the Product Quality Center before replacing the transmission assembly.
PIT5379E2019-04-08. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. This Preliminary Information communication provides information to the technician about vehicles that may have a content theft alarm sounding for no apparent reason. Technician may use all published Service Information diagnostics and has not found the cause of the unwanted content theft alarm sounding. Technician should use Global Diagnostic System 2 to review the Body Control Module parameters for "Content Theft Deterrent Trigger History". If the trigger is an Intrusion inspect for items hanging from the rear view mirror, solar powered dancing characters. When the trigger is a Glass breakage inspect the two rear quarter-panel windows and also in the liftgate glass. The quarter panel windows are attached to the body harness with a connector that looks similar to a 9 volt battery connector inspect them to be fully seated in on the glass. When the trigger is Ignition Voltage/Battery reconnect detected during a cold ambient temperature remote vehicle start event technician should call GM General Motors Technical Assistance Center.
PIP4902M2019-04-08. Service bulletin. EQUIPMENT:ELECTRICAL. 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.
PIP5526A2019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication advises the technician that the Product Quality Center part restriction has ended for the 8L45 and 8L90 park actuator rod.
PIT56652019-04-08. Service bulletin. EQUIPMENT:ELECTRICAL; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. This Preliminary information communicates customers may comment on poor remote keyless entry (RKE) range (less than 20 feet.) Some customers may comment that the RKE fob must be held next to the driver door handle before the doors will unlock when passively attempting to unlock the door. The Radio Antenna Amplifier may be causing the range issue.
PIP56322019-04-08. Service bulletin. EQUIPMENT:ELECTRICAL. 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.
PIP4902L2019-04-08. Service bulletin. EQUIPMENT. 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.
PIP5427B2019-04-08. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; ENGINE. This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Technician will need to follow published diagnostics for Diagnostic Trouble Codes U0074 would take priority over U18A2 if both set before addressing DTC P2635.
PIP3119P2019-04-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; ENGINE. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic Trouble Codes P0420 and or P0430 stored. Technician should be advised that the catalytic converter efficiency Diagnostic Trouble Codes P0420 and P0430 are disabled for the first hour of engine run time to allow break-in of the catalytic converter. Technician will need to use a Tech2 to check the verify engine run time on the Engine Hour Meter in the Instrument Panel Cluster Data Display/Data 1 List in the scan tool match. If the engine run time is less than one hour, the battery may have been disconnected, or another vehicle power loss event may have occurred, during vehicle manufacturing. Technician will need to clear the Diagnostic Trouble Codes and perform a drive cycle. If the catalytic converter was replaced and the Diagnostic Trouble Codes set it may be a result of the engine run time restrictions no longer being in place since the vehicle is no longer new. Technician will need to clear the Diagnostic Trouble Codes and perform a drive cycle.
PIT5426B2019-04-08. Service bulletin. STRUCTURE. This Preliminary Information communication provides information to the technician for a water leak in in the second and third row seating area. Inspect the C-pillar which is the body vertical structure behind the rear passenger door area of the affected side of the vehicle for water intrusion or water marks on the seat belt retractor. If water evidence is found on the seat belt webbing or the retractor the seat belt/ retractor must be replaced after the water leak has been corrected and verified. There are 3 areas of seam sealer that will need to be addressed. After gaining access to the C-pillar and rear quarter panel area inspect for voids or missing seam sealer and apply a clear flow able seam sealer where needed.
18NA0992019-03-25. Service bulletin. EQUIPMENT. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim.
PIE0475A2019-03-25. Service bulletin. EQUIPMENT. This engineering informational bulletin is requesting information pictures of windshield, steering wheel and/or door trim panel for product issues covered under warranty.
PIE0473A2019-03-25. Service bulletin. EQUIPMENT. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of A/C Not Cool Due to No Pressure Build.
120089002C2019-03-25. Service bulletin. EQUIPMENT. This informational bulletin provides the dealer with information on what to do when requesting a new key code for the customer.
110849001Y2019-03-25. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off.
090089016F2019-03-25. Service bulletin. EQUIPMENT. This warranty nonadministrative bulletin provides information on the proper use of the labor operation 0600014.
090089002P2019-03-25. Service bulletin. EQUIPMENT. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
010310003R2019-03-25. Service bulletin. TIRES. This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
PIE05002019-03-25. Service bulletin. EQUIPMENT. This engineering informational bulletin is requesting information to check the shutters through the grille opening of the vehicle. If snow and/or ice is present on the active grille air shutters, take pictures and submit through the Field Reporting Process.
17NA1702019-03-25. Service bulletin. WHEELS. This informational bulletin explains the wheel Road Force balancers and what they can do for customer concerns.
16NA3392019-03-25. Service bulletin. ENGINE. This informational bulletin aids the technician on diagnosing possible vibrations in a vehicle, methods used for testing each scenario and documenting findings.
19NA0042019-03-25. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of hearing a squeak or creak from the right rear of vehicle while driving.
PIE04982019-03-25. Service bulletin. STRUCTURE; EXTERIOR LIGHTING:TAIL LIGHTS; EQUIPMENT ADAPTIVE/MOBILITY. This engineering informational bulletin is requesting information on product issue with the door weather strip, door body fit, and/or rear tail lamp moisture.
080089014C2019-03-25. Service bulletin. EQUIPMENT. This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
060850009J2019-03-25. Service bulletin. SEATS; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices.

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