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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.

By type

By component

By trouble code

By topic

Bulletins, newest first
070849020M2018-04-23. Service bulletin. EQUIPMENT. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
17NA3342018-04-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This informational bulletin explains a normal condition caused by exhaust soot blowing by the VGT pivot seal.
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.
17NA3302018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. This informational bulletin provides information for the customer to pair their phone in order for the push to talk button on the steering wheel control to work.
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.
17NA2652018-04-23. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; ENGINE AND ENGINE COOLING. This technical bulletin provides repair information to correct a customer concern of hearing a flutter or thump noise from rear of vehicle.
17NA2472018-04-23. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). This informational bulletin explains a normal small exhaust leak and residual build up on the EGR housing.
16NA4072018-04-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This informational bulletin advised the technician not to do anything about the DTC set.
16NA407 42018-04-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This informational bulletin advised the technician not to do anything about the DTC set.
174652018-04-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. 17465 - Service Update. Certain vehicles equipped with air conditioning (RPO C4P or C67) and Engine Remote Start (RPO BTV) or Accessory Remote Start Kit (RPO S6P), when outside temperatures are below 42 degrees F (6 deg. C) may have a condition in which the heating, ventilation, air conditioning (HVAC) blower motor and defrost will not operate during an engine remote start event. Reprogram the HVAC control module.
17337 Phase 22018-04-02. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL. 17337 01 Phase 2 - Product Emission. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. The engine control module in these vehicles may not properly diagnose a fault in the exhaust particulate matter sensor. Additionally, a subset of these vehicles, certain 2017 model year Chevrolet Silverado HD and GM Sierra HD vehicles, may in rare instances exhibit a condition in which the engine surges up to 2,800 RPM during vehicle coast or vehicle brakingProgram the engine control module, and transmission control module when applicable.
PIT5587A2018-03-12. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This preliminary information explains that there is a software issue causing the driver mode switch to not change modes , that engineering has released new calibrations to address this concern.
PIT5607A2018-03-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary information was created to express that engineering is investigating the issue of a service engine soon lamp on and a code P050F low vacuum code storing.
PIP5512B2018-03-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates that the restriction for the GF9 trans assembly has ended.
PIT5411J2018-03-12. 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, display, and Media Disc Players are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIC63222018-03-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This PI was created to inform the customer of a possible concern with phone contacts not being listed when using bluetooth. The bulletin provides information and a work around while Engineering investigates
PIP4670E2018-03-12. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
PIP5226B2018-02-21. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
PIP5511A2018-02-21. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This Preliminary information communicates the potential for a flashing MIL and DTC p0300 to occur in areas of high amounts of rain fall or humidity. This is due to the moisture that can accumulate in the charge air cooler from the rapid cooling of the internal air and be ingested into the engine.
PIT3271H2018-02-21. Service bulletin. WHEELS. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIT56072018-02-21. Service bulletin. SERVICE BRAKES. This preliminary information was created to express that engineering is investigating the issue of a service engine soon lamp on and a code P050F low vacuum code storing.
PIT5481C2018-02-21. Service bulletin. AIR BAGS; POWER TRAIN; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; STEERING; LANE DEPARTURE. This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist.Starting with2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.
PIP5540A2018-02-21. Service bulletin. ENGINE. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.

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