2021 GMC Acadia SLT
1GKKNULS8MZ203447
Vehicle history report for the 2021 GMC Acadia SLT (VIN 1GKKNULS8MZ203447). White frost tricoat, sport utility vehicle (suv)/multi-purpose vehicle (mpv), 3.6L 6-cyl, gasoline. Registered in Mi. 2 open safety recalls. Unlock full title, salvage, lien & accident history.
At a glance
Vehicle identity & specifications
Full vehicle history report
What a full report checks for VIN 1GKKNULS8MZ203447
A full report searches national title databases (NMVTIS) and licensed history providers for this VIN and shows whatever records are on file — not every vehicle has every record type. The decode, safety recalls and owner complaints above are always free.
Safety recalls 2
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
General Motors, LLC. (GM) is recalling certain 2021 Cadillac XT5, XT6, and GMC Acadia vehicles. The fuel supply lines may be improperly attached and seated.
Remedy: Dealers will inspect and replace fuel supply lines as necessary, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Cadillac customer service at 1-800-458-8006 and GMC customer service at 1-800-462-8782. GM's number for this recall is N212335590.
NHTSA Campaign #21V422000 · 03/06/2021BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
General Motors, LLC (GM) is recalling certain 2020-2021 Cadillac XT5, XT6, and GMC Acadia vehicles equipped with the optional Surround Vision feature. The rearview camera coaxial cable connectors may have been crimped improperly, causing the rearview camera to fail or function intermittently.
Remedy: Dealers will replace the coaxial cables, free of charge. Owner notification letters were mailed January 18, 2023. Owners may contact Cadillac customer service at 1-800-458-8006 or GMC customer service at 1-800-462-8782. GM's number for this recall is N222378380.
NHTSA Campaign #22V709000 · 22/09/2022We'll email you the moment a new safety recall is issued — no spam, unsubscribe any time.
Common problems & what to inspect
Based on 143 owner complaints filed with NHTSA for the 2021 GMC Acadia, here are the most-reported problem areas — and exactly what to check before you buy.
🔍 Listen for knocks or ticking, check for leaks and blue/white exhaust smoke, and make sure it doesn't overheat. No check-engine light should be on.
🔍 Test every electrical feature: windows, locks, infotainment, charging and all lights. Watch for flickering, dead accessories or warning lights.
🔍 Steering should be tight and centered — no play, clunks or wandering. Test at low and highway speed; listen for power-steering whine.
🔍 Brakes should feel firm and quiet — no grinding, pulsing or pulling. Check for an ABS light and uneven pad/rotor wear.
🔍 Listen for clunks over bumps, check the car sits level, and look for uneven tire wear and worn shocks or struts.
🔍 Have a trusted mechanic inspect this system as part of a pre-purchase inspection.
Pre-purchase checklist
- Match the VIN on the dash, door jamb and title — they must be identical.
- Cold-start the engine; listen for knocks and check for blue or white exhaust smoke.
- Test-drive through all gears at low and highway speed — no slipping, shudder or pulling.
- Confirm every warning light clears at startup (none should stay on).
- Check fluids — oil, coolant, transmission — for level, color and leaks.
- Look underneath for rust, fresh undercoating or signs of collision repair.
- Always get an independent pre-purchase inspection from a trusted mechanic.
Owner complaints 143
Complaints filed with NHTSA by owners of the 2021 GMC Acadia.
SUSPENSION
The contact owns a 2021 GMC Acadia. The contact stated that while driving at various speeds, the vehicle was unintendedly drifting to the right. The vehicle was taken to Dally Tire Company, where it was diagnosed with rear links failure and misalignment. The vehicle was not repaired. The vehicle was taken to the dealer, and the contact was informed that the …
NHTSA ODI #11745670SERVICE BRAKES
I was driving and all of a sudden my break pedal was inoperable. It was stiff and unable to be used. Luckily I was only going 40 MPH. I pulled into a parking lot and my car started shaking and apparently the metal parts from the vacuum pump blew into my engine, which completely wrecked my engine. I nearly could have died and now my 2021 car is completely des…
NHTSA ODI #11743108STEERING,ELECTRICAL SYSTEM,ENGINE
Display suddenly says "Steering assistance reduced, drive with care" Temp gauge goes to C and stays there. Radiator fans speed up and stay on after the car has been turned off. Dealer unable to find a diagnostic code for the problem.
NHTSA ODI #11741035STEERING,LANE DEPARTURE
My thermostat failed in my car, my temp goes out and reads at 0° then my steering assist says it’s reduced. There are many forums online regarding this issue.
NHTSA ODI #11740094POWER TRAIN,ELECTRICAL SYSTEM
This is a very known issue that has been reoccurring with GMC Acadia. The torque converter slipping. That cost alone is over $7.000 for the transmission. I am still making monthly payments for my 2021 Acadia. With rising cost above the board GMC could have resolved this issue before releasing this vehicle to the public for purchase. Only had this vehicle fo…
NHTSA ODI #11737300ENGINE
I am submitting this complaint regarding ongoing mechanical and electrical issues with my 2021 GMC ACADIA that have been occurring intermittently for approximately the past year and a half. The primary issues involve the coolant temperature sensor, thermostat system, engine cooling fan, and dashboard warning messages. The vehicle repeatedly experiences prob…
NHTSA ODI #11736741ENGINE
Bought the acadia in june of 2021, in december of 2022 had to have the radiator replaced due to it leaking. This was found on routine maintenance and was not having any issues whatsoever. I received no alerts on my dash such as a check engine light. Fast Forward to March 2026, I received a message of "steering assist reduced. drive with care." The engine see…
NHTSA ODI #11736208ELECTRICAL SYSTEM,UNKNOWN OR OTHER
The camera system has failed. The screen is black and there is an exclamation point and a camera on the screen.
NHTSA ODI #11735258+ 135 more complaints on record.
