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2009 GMC Acadia body problems
severe
Owners of the 2009 GMC Acadia have filed 17 NHTSA complaints about the body, typically surfacing around 50,000 miles at roughly $1,500 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation.See body across all vehicles →
Of the 17 body complaints filed for the 2009 GMC Acadia,
here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
1 (50%)
25-50k
1 (50%)
50-75k
0 (0%)
75-100k
0 (0%)
100-125k
0 (0%)
125-150k
0 (0%)
150k+
0 (0%)
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted.
Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits
and driving conditions shift the curve as much as mileage alone.
What stands out
Among the 8 model years of GMC Acadia in our records for body problems, this one ranks #3 by owner-complaint volume.
No new NHTSA body complaint has been filed on this vehicle in over 12 years — the issue may be aging out of the active population.
General Motors LLC (GM) is recalling certain model year 2008-2012 Buick Enclave vehicles manufactured January 3, 2007, to February 29, 2012, 2009-2012 Chevrolet Traverse vehicles manufactured July 6, 2008, to March 9, 2012, 2007-2012 GMC Acadia vehicles manufactured September 15, 2006, to February 29, 2012, and 2007-2010 Saturn Outlook vehicles manufactured August 17, 2006, to March 18, 2010
If the open liftgate unexpectedly falls, it may strike a person, increasing their risk of injury.
Fix: GM will notify owners, and dealers will update the software for the power liftgate actuator motor control unit so that the motor will prevent the rapid closing of the lift gate, free of charge. The recall began on November 15, 2016. Owners may contact Buick customer service at 1-800-521-7300, Chevrolet customer service at 1-800-222-1020, GMC customer service at 1-800-462-8782, and Saturn customer service at 1-800-553-6000. GM's number for this recall is 15240.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering body on this vehicle — documented
repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall
(it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Service BulletinPI0281KJan 2024
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The most consistent complaint across these 17 narratives is sudden failure of the power liftgate struts. The gas struts that normally control the gate's descent fail or weaken, causing the heavy liftgate to drop forcefully or close on occupants. Owners report the gate slamming down while they're unloading the trunk, hitting them in the head, back, hands, and fingers. One owner suffered a concussion; another required 11 stitches after the gate ripped open their finger. Several were struck but managed to escape without major injury—though multiple describe scenarios where a child or elderly person could have been killed.
Related to the strut failures, owners report the safety sensors and prop rod systems failing. Liftgates close despite people standing underneath or hands in the way, and some gates open halfway then slam shut on their own. One gate opened repeatedly by itself while the vehicle was driving and couldn't be locked.
A recall (NHTSA 15V415000) was issued for this problem, but multiple owners report the replacement parts have been unavailable for months, leaving their vehicles unsafe and unfixed.
A separate complaint describes water from the AC condensate draining into the right-side cabin floor, rusting the structure and damaging the fan motor through repeated dealer visits that only applied temporary patches.
Same GMC Acadia body reports on nearby years: 2007 · 2008 · 2012
Failure modes owners describe
Power liftgate strut/gas strut failure causing uncontrolled descent
Gas struts that support the liftgate fail or weaken, causing the heavy liftgate to drop suddenly or close with force instead of controlled descent. Owners report the liftgate dropping several inches, slamming down while they work in the trunk, or collapsing entirely.
When: Failures reported across range from 21 months to 142,000 miles; multiple complaints at 28,500, 30,894, 50,000, 60,000, 85,000, 108,000, and 142,000 miles
Symptoms owners cite: Liftgate drops or slams shut suddenly during opening or while trunk is in use; Liftgate descends with force instead of controlled speed; Liftgate collapses completely, striking occupants in the head, back, hand, or finger; Occupants trapped or wedged by closing gate; In manual mode, gas struts do not function at all after failure
Repairs/costs cited: Owners report dealer diagnosis that gas struts need replacement. One owner reports parts unavailable under NHTSA campaign 15V415000. Another report mentions liftgate supports replaced by dealer.
Recalls/TSBs owners mention: NHTSA Campaign 15V415000 (STRUCTURE) issued; however, multiple owners report recall parts unavailable for extended periods, exceeding reasonable timeframes for repair. One owner reports GMC initially refused repair to allow claim filing. No other recalls or TSBs mentioned.
Liftgate safety sensor failure
Sensors designed to detect obstructions and prevent liftgate closure malfunction or fail entirely, allowing the gate to close on occupants or objects.
When: Failures reported at 28,500 and 30,894 miles; likely affects vehicles across the mileage range
Symptoms owners cite: Liftgate closes despite person or obstruction in the way; Automatic reverse/stop function does not activate when hand or body detected; Liftgate continues to close with power even when blocked by occupant; Safety sensor does not detect objects impeding closure
Repairs/costs cited: Not separately repaired in complaints; owners report sensor failure as part of liftgate malfunction. No costs cited.
Liftgate prop rod or recovery system failure
The rod or recovery system that holds the liftgate open or controls its descent fails, causing sudden uncontrolled closing or inability to remain open.
When: One complaint at 50,000 miles; likely affects broader mileage range
Symptoms owners cite: Liftgate will not stay up and falls closed unexpectedly; Liftgate opens halfway then automatically begins to close; Failure occurs constantly once initiated
Repairs/costs cited: One complaint references prop rod failure; no repair details provided. Recall parts unavailable in that case.
Recalls/TSBs owners mention: NHTSA Campaign 15V415000 (STRUCTURE) addresses this failure; parts reported unavailable.
Liftgate opens unintentionally while driving
Liftgate opens on its own without owner activation while vehicle is in motion, and cannot be locked closed.
When: One complaint reports ongoing for one month at time of report; mileage not stated
Symptoms owners cite: Liftgate opens on its own while driving; Occurs multiple times per day; Door unlock and cannot be locked
AC condensation drainage allowing water accumulation in cabin floor
Air conditioning condensate drains improperly into the vehicle's cabin, accumulating under the right-side passenger floor carpeting, causing rust and deterioration over time.
When: Problem developed over 6 years of ownership; noted at unspecified mileage
Symptoms owners cite: Puddle of water accumulates under right-side passenger floor carpeting when AC is run; Floor begins to rust and deteriorate; Water damage to electronic circuits, including fan motor failure
Repairs/costs cited: Taken to dealer multiple times; dealer applies temporary fixes but does not correct the root drainage problem. Fan motor became inoperable due to water damage.
Synthesized from 17 NHTSA owner complaints — unverified consumer
allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting
2 most recent
body · 40,000 mi
· filed 12/26/2013
The SUV was parked in my mom's driveway. I pushed the remote to open the rear power lift gate. I came upon the back of the SUV with my 3 year old daughter and the lift gate was up. I went to put something in the trunk when the lift gate collapsed on my head knocking me out and to the ground. Luckily, my mom saw what happened, got my husband and made sure my daughter didn't wander in to the…
body · 5,191 mi
· filed 12/14/2009
I opened my tailgage today, 12/13/09, to put some items into my trunk. I leaned in to get them situated & secure when suddenly the liftgate slammed down on my lower back, trapping me against the inside of my trunk. I was unable to lift the gate and had to slither out onto the ground, at which point the liftgate completely closed. I reopened the liftgate, unsure of what had happened, and…
Had body trouble with your 2009 GMC Acadia?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the body problem on the 2009 GMC Acadia?
It's a meaningful issue. 17 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $1,500.
At what mileage does the body typically fail?
Across the 15 complaints that reported odometer mileage, most body failures cluster between 30,894 and 68,300 miles, with the median around 50,000. A quarter of owners report trouble before 30,894; a quarter make it past 68,300. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $1,500 for body repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to body?
Yes — 1 active recall(s) cover body issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2009/GMC/Acadia.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.