2020 Gmc Acadia problems, complaints & recalls
Most-reported problem areas: Steering (16) · Power Train (16) · Engine (12)
🧭 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
22 NHTSA complaints that reported an odometer reading.
Safety recalls (6)
Back Over Prevention: Sensing System: Camera 2022-09-22 · campaign 22V709000 · 95,231 vehicles
Defect: 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.
Risk: An inoperative rearview camera can reduce the driver's rear visibility, increasing the risk of a crash.
Fix: 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.
Tires 2021-02-25 · campaign 21V115000 · 33,838 vehicles
Defect: General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long during production.
Risk: Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.
Fix: GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of charge. The recall began March 22, 2021. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212329050.
Tires 2020-11-05 · campaign 20V684000 · 7,516 vehicles
Defect: General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, GMC Acadia and Chevrolet Traverse vehicles and 2020-2021 Chevrolet Silverado 1500, GMC Sierra 1500 vehicles. The vehicles may have been manufactured with Continental tires that were overcured.
Risk: Overcured tires may experience a carcass break in the sidewall resulting in a sudden air loss or could develop a belt edge separation which could lead to partial or full tread/belt loss. Either condition increases the risk of a crash.
Fix: GM will notify owners, and dealers will inspect vehicles and replace tires that have DOT number and production mold number combinations identified by Continental, free of charge. The recall began December 17, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202319030.
Power Train:automatic Transmission 2020-10-29 · campaign 20V668000 · 194,105 vehicles
Defect: General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.
Risk: Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.
Fix: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.
Fuel System, Gasoline:delivery:fuel Pump 2020-10-15 · campaign 20V639000 · 2,781 vehicles
Defect: General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, Cadillac XT6, Chevrolet Traverse, and GMC Acadia vehicles. The fuel pump's jet nozzle may have a plastic burr remaining from the manufacturing process, possibly causing a blocked nozzle and an insufficient fuel supply to the engine.
Risk: Insufficient fuel supply can result in an engine stall without warning, increasing the risk of a crash.
Fix: GM will notify owners, and dealers will replace the fuel pump module. The recall began November 16, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202314760.
Air Bags:side/Window:curtain:inflator 2020-07-30 · campaign 20V446000 · 769 vehicles
Defect: General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air bag deployment.
Risk: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Fix: GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is N202305380.
Service bulletins (884)
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 884 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-04 · Steering“thermostat housing failed. got the message of "steering assist is reduced – drive with care". have seen this numerous times in message boards. has been reproduced. safety is put at risk with the steering assist reduced. mine happened on an highway. …”
2026-09-30 · Steering“engine thermostat not functioning properly, therefore the display stayed on cold and would not show temp. it also cause the fan to run fast to cool engine. the ac would not cool and reduce power steering assist error message comes on. this is a known problem by gm and there is a recall for this issue on many of these vehicles, other gmc and cadill…”
2026-09-21 · Back Over Prevention: Rearview System Braking“the rear camera does not operate 100% of the time. this has happened multiple times over the year.…”
2026-09-21 · Electrical System“receive error message about power steering that shuts off ac and temperature gauges. happens constantly when vehicle is driven on freeway. requires the battery to be disconnected and it resets until the next time. …”
2026-09-21 · Engine“engine thermostat not functioning properly, opening too early and not allowing engine to operate at proper engine temperature. check engine light comes on, reduce power steering assist error message comes on, engine temperature gauge reads cold when vehicle has been running for an extended period of time. this is a known problem by gm and there is …”
2026-09-21 · Power Train“2020 gmc acadia bucks/hesitates when i take off or slow down and speed back up. mechanic looked at it can see engine is having random misfires. we have tried plugs, transmission fluid, looked at everything we could think of. the condition improves if i put into awd but still exists and worsens for a period of time after it shifts back into fw…”
2026-09-10 · Service Brakes“while driving my 2020 gmc acadia slt awd turbo with my young daughters in the vehicle, the brake pedal suddenly and sporadically lost all hydraulic pressure and sank nearly all the way to the floorboard. the vehicle would only gradually roll to a slow stop. simultaneously, the dashboard illuminated with abs and service esc notifications. after turn…”
2026-08-27 · Engine“engine coolant thermostat failed open. resulting in reduced steering capabilities, and no ac.…”
2026-08-23 · Unknown Or Other“received a power steering reduced notice when starting the car, noticed shortly after driving the temperature gauge had not moved from its resting position. a few trips later it still had not moved and the check engine light came on. mechanic looked at it said it may be a sensor quoted $1k to fix. a few days later it randomly started working and th…”
2026-07-12 · Steering“[symptom & safety hazard] while driving my 2020 gmc acadia 3.6l v6, the driver information center displayed the warning: "steering assist reduced, drive with care" (sardwc). steering effort increased abruptly, the engine temperature gauge dropped to cold/zero, and the hvac system lost air-conditioning function. the warning and reduction in steering…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.