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Service bulletins for the 2018 GMC Terrain

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.

1345 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
PIT56182018-08-06. Service bulletin. EQUIPMENT. This Preliminary information communicates information to the technician about vehicles with a loud notification chime when shutting off the vehicle with an active Bluetooth call. Technicians should not make any repairs or replace any parts. The dealer should communicate to the customer that we apologize for the inconvienience and that General Motors is working on a solution for this concern.
PIT5399A2018-06-18. Service bulletin. EQUIPMENT; 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.
PIP5519A2018-06-18. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. This Preliminary information communicates the possibility of the timing chain tesnioner gasket being improperly installed or mis-positioned after major engine repairs causing a low engine oil pressure and dtc p06DE.
99-08-51-001D2018-06-11. Service bulletin. STRUCTURE; EQUIPMENT. Thins informational bulletin provides information on Paint-less Dent Repair Process.
17-NA-2762018-06-11. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL. This informational bulletin provides information on Loss of Phone Pairing When Vehicle Shuts Down in Demo Mode and that this is considered a normal characteristic of the vehicle in demo mode.
17-NA-2732018-06-11. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This technical bulletin provides a procedure to add lubricant to the armrest hinge springs if making noise.
17-NA-2542018-06-11. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This New Model Feature Bulletin provides General Information, Training Courses, Special Tools Information and other Topics to help the Service and Sales Personnel Become Familiar with the Features of the 2018 GMC Terrain.
17-NA-2382018-06-11. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL. This informational bulletin provides information for Wi-Fi Hotspots or Data Sharing Feature Not Working once Turned on.
17-NA-2132018-06-11. Service bulletin. EQUIPMENT:OTHER:LABELS. This informational bulletin provides information for the service parts identification (SPID) label replacement.
PI1149A2018-06-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This preliminary information bulletin provides a procedure on how to check for the customer concern of a blank radio with/without audio, by checking the the wiring harness, ECU and reprograming the HMI software update, if the wiring or ECU are not the cause.
13-08-116-001C2018-06-11. Service bulletin. EQUIPMENT:ELECTRICAL. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
08-08-44-029H2018-06-11. Service bulletin. EQUIPMENT. This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only.
04-00-89-015Q2018-06-11. Service bulletin. EQUIPMENT. This warranty administration bulletin provide policy information on required operating procedures.
150603002K2018-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
050851001I2018-06-04. Service bulletin. EQUIPMENT. This information bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
18NA0272018-06-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information retaining to the fact that Service Manuals will now be available on USB.
17NA4032018-06-04. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides a procedure to replace the radio to correct the condition of Infotainment Display is Scrambled and/or Pixelated due to an internal radio concern.
17NA3882018-06-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This technical bulletin provides a procedure to reprogram the HVAC control module to correct a condition of HVAC Inoperative During Remote Start Event due to a calibration concern.
16NA2392018-06-04. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. This Bulletin provides a procedure to activate/enable 4G LTE Wi-Fi Hotspot on New vehicle.
070089037L2018-06-04. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs.
070089036I2018-06-04. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information to dealership personnel on enhancing field product reports with digital pictures.
040089015R2018-06-04. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provide policy information on required operating procedures.
120089007A2018-06-04. Service bulletin. EQUIPMENT. This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels.
17NA3862018-06-04. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin provides information for the technicians on multi-media infotainment tester (MIT), does not function properly when diagnosing infotainment complaints, which may lead to mis-diagnosis.
17NA3592018-06-04. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information on the fact that WMA files are not accepted by the specific radios.

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