The contact owns a 2019 GMC Acadia. The contact stated that the vehicle failed to shift to park(P) as intended and could not be turned off. The message "Shift to Park" was displayed. The contact was able to turn off the vehicle after shifting to low gear. The local dealer was contacted and confirmed that the VIN was not included in a recall. The vehicle was not diagnosed or repaired. The…
2019 GMC Acadia powertrain problems
moderate 143 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Failure mileage
Complaints
143
Recalls
0
Avg fix
$2,500
1crash
When does it fail?
Of the 143 powertrain complaints filed for the 2019 GMC Acadia, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
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
Powertrain accounts for 39% of every owner complaint on file for this vehicle — the dominant problem area across 8 categories tracked.
Owners have filed 143 powertrain complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
The failure pattern owners describe
Buyer takeaway: The 2019 Acadia has a widespread and documented "Shift to Park" defect affecting the transmission control or shifter switch, leaving vehicles unable to shut off and draining batteries despite being in park—a safety hazard GM has recognized in earlier years but refuses to recall for this model year. Beyond that, transmission slipping, hard shifts, and water intrusion from a faulty moonroof seal are significant concerns that persist into the used market.
The most consistent complaint across these 140 narratives is the "Shift to Park" failure. Owners place the transmission in park, attempt to turn off the vehicle, and receive a dashboard message saying "Shift to Park" along with an audible alarm—even though the shifter is already in park. The vehicle won't fully shut off, remaining in accessory or run mode. Owners report having to restart the car, shift back and forth between gears multiple times, sometimes driving around the block, before the system finally recognizes park. This can take several minutes and drain the battery. The vehicle also won't lock the doors while in this state. The failure is often intermittent early on but becomes worse and more frequent over weeks.
GM issued Technical Service Bulletins (18-NA-297, 19-NA-206) that prescribe replacing the shifter harness and adding a wire jumper, but owners report these repairs fail again within a year or two after the factory warranty expires—then they're stuck with $400–$1,300 repair bills. GM has issued recalls for this exact defect on 2017–2018 Acadias and other model years going back to 2009, yet the 2019 model year is excluded despite identical complaints.
Secondary transmission issues include slipping, hard jerking shifts, shuddering during acceleration, and in severe cases, complete transmission failure with metal debris in the fluid. Water intrusion from a faulty rear moonroof seal has caused electrical damage to the shifter assembly and center console controls. Persistent check engine lights appear undiagnosed across multiple shops, and automatic emergency braking has activated without driver input.
Same GMC Acadia powertrain reports on nearby years: 2016 · 2017 · 2018 · 2020 · 2021
Failure modes owners describe
Shift to Park Warning / Vehicle Won't Turn Off
Transmission control or shift-switch failure prevents the vehicle from recognizing park position. Dashboard displays 'Shift to Park' message and audible alarm; vehicle remains in accessory or run mode and cannot be fully shut off, draining battery and preventing door locks from engaging.
When: Typically 11,000–88,000 miles; some failures as early as new vehicle with 500 miles
Symptoms owners cite: Dashboard message 'Shift to Park' or 'Please Shift to Park' displays despite shifter in park position; Audible warning chime or continuous dinging; Vehicle will not turn off completely; remains in accessory/run mode; Battery drain due to prolonged electrical activity; Unable to lock vehicle doors; Failure recurring and worsening over time; Requires multiple restart and shift cycles (drive-to-park, back-to-drive, brake cycles) to resolve temporarily; Vehicle may not stay in park; rolls backward on inclines or forward on flat ground
Codes mentioned: Shift to Park warning message, Not-in-Park warning light, TSB 18-NA-297, TSB 19-NA-206
Repairs/costs cited: Owners cite costs ranging $400–$1,300. Repairs include shifter harness replacement, wire harness jumper installation, transmission control module replacement, and full shifter (transmission control) assembly replacement. Some dealers keep replacement shifter assemblies in stock.
Recalls/TSBs owners mention: GM has issued Technical Service Bulletins (18-NA-297, 19-NA-206) describing the fault as faulty park switch in transmission control. Recalls exist for 2017–2018 model years and some other GM vehicles dating to 2009; the 2019 Acadia is excluded from documented recalls despite identical defect. TSB repairs are temporary; owners report failures recur post-warranty. GM customer service has reimbursed only a fraction of repair costs (e.g., $73.24 on $732.36 bill; 50% on ~$760 repair). Class-action lawsuits have been filed against GM for this defect.
Transmission Slipping / Hard Shifts / Shuddering
Automatic transmission exhibits slipping, hard jerking shifts, shuddering during acceleration, and loss of power. In severe cases, transmission fails or requires replacement. Metal debris found in transmission fluid indicates internal wear.
When: 15,000–98,000 miles; one case at 30,461 miles with complete transmission failure
Symptoms owners cite: Transmission slips or fails to engage proper gear (reverse, neutral, drive); Hard or abrupt shifts described as jolting or jerking; Shuddering or vibration during acceleration, especially uphill; Vehicle acts as though in neutral during acceleration on road; Transmission stalls or loses motive power; Vehicle lurches forward unexpectedly when coming to stop; Metal flakes in transmission fluid
Codes mentioned: Check engine light illuminated (P2097-00 cited in one case)
Repairs/costs cited: Owners report transmission fluid changes as temporary fix with no lasting effect. One complete transmission replacement required; metal debris in fluid indicates internal component failure. Costs cited as several hundred dollars for diagnosis and fluid service; full transmission replacement cost not specified by complaining owners.
Recalls/TSBs owners mention: Some repairs performed by dealers with no lasting remedy. Some dealers refused to diagnose or schedule follow-up appointments. Recalls exist for certain model years but specific VINs excluded despite identical symptoms. GM referred owners to NHTSA rather than providing assistance.
Water Intrusion via Moonroof / Rear Sunroof Seal Failure
Rear moonroof positioner fails to hold glass in sealed position, creating air pocket and allowing water intrusion into cabin ceiling. Water seeps through headliner fabric and drips onto electrical controls (shifter, electronics on center console), causing downstream electrical failures and mold growth risk.
When: Early vehicle life, vehicle with 500 miles; after rain exposure during storage and use
Symptoms owners cite: Water drips into cabin from ceiling after rain; Moisture seeps into headliner fabric; Water accumulates on center console electronics and shifter assembly; Visible water intrusion after 3+ separate rainstorms; Mold growth concern in headliner and carpets
Repairs/costs cited: GM engineering documented the defect as manufacturer fault in moonroof positioner design. Owner filed 3 separate service records attempting to fix water leak; dealership ultimately confirmed it was a manufacturer defect. No specific repair costs cited; concern is secondary damage (electrical failures, mold remediation).
Recalls/TSBs owners mention: GM engineering confirmed manufacturer defect in rear moonroof positioner but no recall or TSB for prevention/correction issued per narrative. Water intrusion classified as manufacturer defect during investigation.
Check Engine Light – Persistent, Undiagnosed
Check engine warning light illuminates and persists despite multiple diagnostic attempts at multiple shops. Dealers and independent mechanics find no fault codes or cannot identify root cause. Vehicle cannot pass state inspection with illuminated check engine light.
When: 12/2023 onward; vehicles with 40,000+ miles
Symptoms owners cite: Check engine light illuminated; No fault codes detected or identified by multiple diagnostic shops; Light persists after battery replacement; Vehicle fails state emission inspection; Multiple shop visits (Pep Boys, AutoZone, Walmart, O'Reilly, dealer, independent shops) unable to resolve
Repairs/costs cited: No successful repairs documented. Battery replacement did not resolve. Owners report multiple diagnostic attempts across different shops with no resolution. One owner notes a large Facebook group with the same unresolved problem.
Recalls/TSBs owners mention: GM dealership stated the light 'would eventually go off' without explanation or further service. No manufacturer guidance or recall issued for persistent check engine light.
Automatic Emergency Braking False Activation
Automatic emergency braking system activates without driver input or collision hazard, creating unexpected braking and safety risk.
When: ~500 miles
Symptoms owners cite: Automatic emergency braking activates without driver input; No collision or hazard present
Repairs/costs cited: Dealer noted issue as common with similar vehicles. Failure not duplicated during diagnostic visit.
Recalls/TSBs owners mention: Manufacturer not notified. Dealer provided no repair recommendation.
Electrical / Battery Drain Issues
Vehicle exhibits battery drain, difficult cold starts, and electrical gremlins. Related to 'Shift to Park' failure or independent electrical faults.
When: Variable; accelerates with 'Shift to Park' failures
Symptoms owners cite: Battery drain due to vehicle remaining in accessory/run mode; Difficult or slow engine start; Vehicle stranded with dead battery; Doors fail to lock or unlock; Headlights flicker and shut off unexpectedly (one case with children in vehicle at night)
Repairs/costs cited: Dealers replaced batteries ($219.12 cited for one replacement). Battery replacement does not address root electrical cause in 'Shift to Park' cases.
Recalls/TSBs owners mention: GM customer service offered no assistance for battery-related complaints; battery cost borne by owner.
Shifter Cable Bushing / Mechanical Shifter Failure
Shifter cable bushing becomes faulty or damaged, preventing shifter from properly engaging park position. Also reported: plastic piece in gearshift assembly snaps off, rendering manual low-gear shifting inoperable.
When: 500 miles to 35,000 miles
Symptoms owners cite: Manual gear shifter in low gear position fails to shift; Shifter cable bushing faulty; Plastic component in gearshift assembly snaps or breaks; Vehicle may slip out of gear while driving
Repairs/costs cited: One independent mechanic diagnosed faulty shifter cable bushing requiring replacement; no cost cited. One owner paid $1,300 for complete Gearshift Lever Assembly replacement.
Recalls/TSBs owners mention: No manufacturer response documented for shifter cable failures; owner relied on independent mechanic.
Transmission Control Module or Shifter Harness Malfunction
Electronic shifter harness or transmission control module fails, preventing proper shift signal transmission to body control module (BCM). Park switch in transmission control does not pull BCM signal low.
When: Variable; 11,000–72,000 miles
Symptoms owners cite: Vehicle fails to recognize park position electronically; Shift to Park warning message and alarm persist; Vehicle won't turn off; May occur intermittently or become chronic
Codes mentioned: TSB 18-NA-297, TSB 19-NA-206
Repairs/costs cited: Repair involves shifter harness replacement, wire harness jumper installation, and/or transmission control module replacement. Costs cited: $400–$856. TSB 19-NA-206 repair (shifter harness and jumper) is considered temporary; failures recur post-warranty.
Recalls/TSBs owners mention: GM issued TSB 19-NA-206 prescribing shifter harness and jumper-wire repair as fix. However, owners report this repair fails within 1–2 years after warranty expiration. Full shifter assembly replacement required in some cases. GM does not cover post-warranty failures.
Transmission Seal Leak / Fluid Loss
Transmission seal fails, causing fluid leak and loss of transmission fluid, leading to slipping, jerking, and potential transmission damage.
When: Multiple visits over 2+ years; specific mileage unknown
Symptoms owners cite: Transmission fluid leaking; Transmission jerks and stalls during initial driveline mobilization; Transmission rocking back and forward when foot removed from brake
Repairs/costs cited: Dealer diagnosed faulty transmission seal requiring replacement. Cost not specified by owner.
Recalls/TSBs owners mention: Dealer acknowledged defective seal only after owner complained over 2+ years and multiple visits.
Engine Stall / Loss of Motive Power While Driving
Engine stalls unexpectedly while driving or coming to a stop, without warning light. Vehicle loses power and requires restart. On one occasion, engine lurched forward unexpectedly when braking.
When: 85,695 miles
Symptoms owners cite: Engine stalls unexpectedly with no warning light; Sudden loss of motive power while driving; Vehicle lurches forward unexpectedly when depressing brake pedal; No warning light illuminated prior to failure
Repairs/costs cited: Dealer diagnosed transmission failure requiring full transmission replacement. Owner was not able to complete repair.
Recalls/TSBs owners mention: Manufacturer made aware and referred owner to NHTSA rather than providing assistance.
Secondary Electrical / Component Failures (Radio, Phone Charger, Window, Parking Brake, DVD)
Multiple electronic systems intermittently malfunction or fail: wireless phone charger inoperable, dash and radio lose power, parking brake activates independently, DVD player nonfunctional, windows make loud noise when rolled down.
When: ~500 miles and ongoing
Symptoms owners cite: Wireless phone charger often inoperable; Dash and radio periodically lose power; Parking brake activates independently without driver input; Headrest DVD player does not play through speakers; Windows make loud obnoxious noise when rolled down
Repairs/costs cited: No repairs documented. Dealer stated DVD issue could be due to missing remote (not included with vehicle).
Recalls/TSBs owners mention: No manufacturer assistance documented.
Synthesized from 143 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 7 most recent
When I placed the vehicle in park, the dashboard alert/warning would signal "shift to park". This would continue to go off for quite some time, and it continued to get worse and take longer to shut off. Eventually the alarm would not go off I turned the car back on and off, nor if I engaged with the shifter. I could not leave my vehicle in this state, and I was unable to determine if my vehicle…
Put vehicle on park and message appeared saying that it's not parked I got to back up and pull forward a couple times until it recognizes that vehicle is on park then I can turn the engine off
When I shift the car into park, a message pop up in the window to shift the car in park and keeps beeping. I can’t turn the car off and will have to restart the car and pull forward a little then try again sometimes that does not work. The light indicator says the car is in park but I can’t turn the car off.
Shift to park message when vehicle is in park not allowing vehicle to be shut off
The contact owns a 2019 GMC Acadia. The contact stated that while the vehicle was parked, the shift to park message was displayed. There was a constant abnormal dinging sound detected, and the vehicle failed to remain in park. While having a routine inspection, it was determined that the rear trailing arms bushings were worn out and the vehicle failed the inspection. There were no warning lights…
Tl* the contact owns a 2019 GMC acadia. The contact stated that intermittently upon placing the gear shifter into the parking position, the vehicle failed recognize the maneuver. Due to the defect, the shift to park warning message appeared on the instrument panel. The contact stated that on one occasion, the vehicle proceeded to roll forward with the gear shifter in the park position. The…
Had powertrain trouble with your 2019 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 powertrain problem on the 2019 GMC Acadia?
It's a documented issue but not catastrophic. 143 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Across the 42 complaints that reported odometer mileage, most powertrain failures cluster between 32,000 and 61,000 miles, with the median around 49,600. A quarter of owners report trouble before 32,000; a quarter make it past 61,000. 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 $2,500 for powertrain 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 powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
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/2019/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.