Service bulletins for the 2018 GMC Yukon XL
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.
919 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 18NA141 | 2018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic. |
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| 18NA138 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. 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. |
| 18NA137 | 2018-05-21. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended cranking condition. |
| 18NA134 | 2018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides a procedure to test the radios receiver if certain XM channels cut out (mutes) depending on location of the vehicle. |
| 18NA125 | 2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information for engine oil life monitor operation calculation. |
| 18NA060 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information for new software for the TCM to correct a delayed engagement when performing the garage shift. |
| 18NA039 | 2018-05-21. Service bulletin. ELECTRICAL 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. |
| 18NA026 | 2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. This technical bulletin provides a procedure to install an oil cooler line fitting seal, including applying medium strength threadlocker (blue) to the retaining bolt to stop transmission fluid leaking from the transmission oil cooler line retaining bolt passage. |
| 17NA269 | 2018-05-21. Service bulletin. BACK OVER PREVENTION. This Technical bulletin provides information on new software to correct the rear camera display being too bright. |
| PI0754C | 2018-05-21. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. This PI bulletin provides information on Rear and Side Tempered Glass Spots (Quench Marks) and they are normal characteristic. |
| PI0564J | 2018-05-21. 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). |
| PI0281G | 2018-05-21. 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. |
| 150603002M | 2018-05-21. Service bulletin. EQUIPMENT. This bulletin provides information on approved warranty part numbers for original equipment batteries. |
| 150603002L | 2018-05-21. Service bulletin. EQUIPMENT. This informational bulletin provides information on approved warranty part numbers for original equipment batteries |
| 130089010B | 2018-05-21. Service bulletin. EQUIPMENT. This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program. |
| 1208132001E | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown. |
| 080730035C | 2018-05-21. Service bulletin. POWER TRAIN. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. |
| 18NA099 | 2018-05-21. Service bulletin. EQUIPMENT. This informational bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim. |
| 110089002C | 2018-05-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin was created to inform that any accessories that are installed from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months). |
| 060089031E | 2018-05-21. Service bulletin. ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. |
| 030089006P | 2018-05-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. |
| 010310003Q | 2018-05-21. 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. |
| 000089027J | 2018-05-21. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information to dealership personnel on properly eliminating unwanted odors in vehicles. |
| 17NA337 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM; 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. |
| 17NA215 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar® Module Functionality After OnStar Module Replacement for Another Condition. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.