2018 Gmc Acadia problems, complaints & recalls
Most-reported problem areas: Power Train (135) · Electrical System (48) · Steering (19)
🧭 Reliability snapshot
Compared against other Gmc Acadia model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
181 NHTSA complaints that reported an odometer reading.
Safety recalls (2)
Fuel System, Gasoline:delivery:fuel Pump 2018-05-31 · campaign 18V358000 · 895 vehicles
Defect: General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia, 2018 Buick LaCrosse, Cadillac ATS, Chevrolet Equinox, and GMC Terrain vehicles. The high pressure fuel pump may detach from its mounting flange, possibly resulting in the pump damaging the high pressure fuel line.
Risk: A damaged fuel line can create a fuel leak, increasing the risk of a fire.
Fix: GM will notify owners, and dealers will replace the high pressure fuel pump, and high pressure fuel pipe, free of charge. The recall began July 2, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18188.
Power Train:driveline:driveshaft 2017-08-22 · campaign 17V516000 · 2,905 vehicles
Defect: General Motors LLC (GM) is recalling certain 2018 Chevrolet Equinox and GMC Terrain vehicles and 2017-2018 GMC Acadia vehicles. The right front intermediate driveshaft may fracture and separate while driving.
Risk: If the front right intermediate drive shaft assembly separates while driving, the vehicle will lose propulsion, increasing the risk of a crash. If the assembly separates while parked on a grade, without the park brake engaged, the vehicle may move unintentionally, increasing the risk of a vehicle roll-away.
Fix: GM will notify owners, and dealers will replace the right front intermediate drive shaft assembly, free of charge. The recall began August 25, 2017. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 17329.
Service bulletins (1,071)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions
this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.
Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Unknown Or Other 2026-07-21 · PIT5099J · Service Bulletin/Repair Instructions
pi to help diagnose a/c concern
Unknown Or Other 2026-04-01 · PIT3271Q · Service Bulletin/Repair Instructions
this preliminary information communicates information about how to determine if a wheel and tires size change is available.
Unknown Or Other 2026-03-09 · PIP6104 · Service Bulletin/Repair Instructions
this preliminary information communicates the steps on how to save a gds2 session log and upload to a technical assistance case in cx connect.
Unknown Or Other 2026-03-09 · PIP4902V · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Showing the 6 most recent of 1,071 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-25 · Engine“steering assist warning comes on when i start the car and then the engine fan starts up very loudly and code po128. my car has 48,000 miles and is a 2018. i am seeing this is a known issue and should be part of a recall so i want to know if it’s covered.…”
2026-10-22 · Power Train · 45,000 mi“the contact owns a 2018 gmc acadia. the contact stated that after parking the vehicle inside the garage, shifting to park(p) and turning off the vehicle, the vehicle suddenly rolled backwards approximately 3 feet. the contact stated that the failure had occurred on several occasions and the vehicle only moved backwards. during one failure, the vehi…”
2026-09-29 · Engine“i get error electric steering assist reduced or unavailable drive with care at around 84234 miles on my car . upon looking up problem on internet it has to do with the thermostat. i also found where gm has a bulletin n252508350 which only seems to cover certain vehicles with the same problem. this seems to happen at all different miles driven on v…”
2026-09-22 · Fuel System, Gasoline · 112,300 mi“the contact owns a 2018 gmc acadia. the contact stated that while driving at an undisclosed speed, the power steering message was displayed, and the check engine warning light illuminated. in addition, the temperature gauge remained at zero. the dealer was contacted by phone and made aware of the failure. the vehicle was taken to the dealer, where …”
2026-09-20 · Unknown Or Other“urgent code going off due to thermostat not being red gauge is stuck…”
2026-09-11 · Engine“the car will frequently but not always fail to shut off when the start/stop button is pushed while in park. the message "shift to park" come up on the display and a yellow light comes on in the button. i have to restart the engine and it often takes as many as 10 attempts to finally shut off the engine. between each attempt i have to shift the tr…”
2026-08-31 · Unknown Or Other“i’m getting a shift to park on my dash after it’s already in park. this causes the break to get stuck when driving. …”
2026-08-31 · Seat Belts“i am unknown of what the issue is with the seatbelts on all seats will not properly lock. …”
2026-08-10 · Power Train · 10,000 mi“the contact owns a 2018 gmc acadia. the contact stated that while parking the vehicle, the gear shifter was shifted into park(p); however, the message “shift to park” was displayed. the gear shifter was moved back and forth, then shifted into park (p) before the proper gear was recognized. the vehicle was taken to the dealer, and the gear shifter w…”
2026-07-21 · Power Train · 80,000 mi“the contact owns a 2018 gmc acadia. the contact stated that after parking and then attempting to turn off the vehicle, the message " shift to park" was displayed. the contact stated that the vehicle was able to be parked and turned off successfully after various attempts, which included restarting the vehicle and engaging the parking brake. the veh…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.