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Service bulletins for the 2019 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.

1006 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
19NA0062019-07-01. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING; EQUIPMENT. This technical bulletin provides a procedure to replace the HVAC case with the redesigned part.
N1822004702019-06-24. Service bulletin. POWER TRAIN. N182200470 - Customer Satisfaction - Certain 2018 model year Buick Enclave and LaCrosse vehicles, and 2018 - 2019 model year GMC Terrain vehicles, may have a condition that occurs when the driver places the vehicle in neutral immediately following an auto start from an auto stop condition. The transmission can become stuck in a command that will cause damage to the transmission clutch plates. Reprogram Transmission Control Module with SPS.
18NA2832019-06-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Technical bulletin provides steps for dealers/technicians to change Wi-Fi hotspot displaying myCadillac for SSID name.
PIP56512019-06-10. Service bulletin. POWER TRAIN. This Preliminary information communicates the possibility of the charge air cooler pipe connection becoming disconnected from the throttle body causing a reduced power issue and one or more of the following trouble codes P0172, P0299, P0101, P0506, P1101.
PIC63652019-06-10. Service bulletin. EQUIPMENT. This Preliminary information communicates information to dealers advising certain Over the air updates and USB updates have been temporarily suspended.
PIT5655B2019-06-10. Service bulletin. EQUIPMENT. This Preliminary information communicates that a customer may complain of when a Bluetooth call is received the ringing will be continuous for the rest of the drive cycle . It may be noted that this only seems to occur when using an Android device on OS 9.0. This may be caused by a software concern in the phone. The dealer is instructed that the phone manufacturer is working on a software update to resolve the concern.
PIT5551D2019-06-10. Service bulletin. FORWARD COLLISION AVOIDANCE. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIP56472019-06-10. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. This Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Engine oil level will be found over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. Small gas engines (SGE) May only have the engine oil level over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. This concern is caused by marshalling the vehicle around the lot before it is sold and/or short driver cycles.
PIC6343B2019-06-03. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates information on IPC Speedlimit concerns. Speed limit displays no value, toggles between values, or is blank. (All models) The speed limit unit of measurement (KPH/MPH) flashes. (for Cadillac Models only). Concern being researched by engineering and no repairs are currently available.
PIT5675A2019-06-03. Service bulletin. STEERING; ELECTRICAL SYSTEM. This preliminary information is created to make the service technician aware of a condition where the ground for the steering module may not have a sufficient ground path.
PIT56782019-06-03. Service bulletin. ENGINE; STRUCTURE. This Preliminary information communicates an issue with the radiator lower mount that sounds as if it is coming from behind the front wheels.
PIP5569A2019-06-03. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly.
PIT4916G2019-06-03. Service bulletin. EQUIPMENT; VISIBILITY. This Preliminary Information communication provides information to the technician about vehicles that have may a helicopter type noise when a rear window is lowered. This is a normal characteristic of this vehicle, but the concern can be minimized by lowering a front door glass approximately 1 to 2 inches.
PIT56752019-06-03. Service bulletin. STEERING; ELECTRICAL SYSTEM. This preliminary information is created to make the service technician aware of a condition where the ground for the steering module may not have a sufficient ground path.
PIT5195E2019-06-03. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
PIP5483C2019-06-03. Service bulletin. ENGINE. This Preliminary information communicates noises are considered to be normal operating characteristics of the vehicle when shut off. It will not impact the designed performance or reliability of the vehicle.
PIP4670F2019-06-03. Service bulletin. ENGINE; 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.
19NA0802019-05-28. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This informational bulletin provides information to the tech to discard the PCV drain tube when working on the lower area of the engine.
19NA0782019-05-28. Service bulletin. TIRES:TREAD/BELT. This warranty administration bulletin provide policy information on tires are not meeting tread depth expectations, or wearing out (reaching 2/32”) too quickly.
19NA0772019-05-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Start/Stop Performance, Hesitation From a Stop, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0132 and/or P0138 Set.
19NA0762019-05-28. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; EQUIPMENT ADAPTIVE/MOBILITY. This technical bulletin provides repair information to correct a customer concern of Blue Screen and Service Rear Vision System Message on Radio Display.
PIE0520A2019-05-20. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This engineering informational bulletin is requesting information to notify the dealership personnel not to relearn the sunroof module and to contact the engineer for further instructions. This revision removes the Breakpoint information.
PIE05202019-05-20. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This engineering informational bulletin is requesting information to notify the dealership personnel not to relearn the sunroof module and to contact the engineer for further instructions.
PIE0503B2019-05-20. Service bulletin. ENGINE. This engineering information PI ends the need for information from the field on reduced engine power, DTC P0299 set.
1008110001H2019-05-20. Service bulletin. EQUIPMENT. This informational bulletin provides information on proper use of floor mats.

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