2019 GMC Acadia Engine cooling Problems
- Complaints
- 5about this part
- Share
- 1%of 388 total for the year
- Median mileage
- 55,114miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the engine cooling of the 2019 GMC Acadia, 1% of the 388 complaints for this model year. Where a mileage was given, the median is 55,114 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2019 GMC Acadia. The contact stated that the check engine warning light was illuminated. The low oil message was displayed. The contact added oil to the engine. The vehicle was taken to the local dealer, where it was diagnosed that the oil gasket and plate needed to be replaced. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was approximately 72,885.”
NHTSA complaint #11533984, filed 2023-07, 72,885 miles“The contact owns a 2019 GMC Acadia. The contact stated that while driving at an undisclosed speed, the message Steering Assist Fault - Drive with Caution was displayed. The vehicle was taken to an independent mechanic, who retrieved DTC: P0128 (Engine Coolant Temperature Below Thermostat Regulating Temperature) and replaced the engine coolant thermostat. The manufacturer was made aware of the failure and advised the contact to file a complaint with the NHTSA Hotline. The failure mileage was 55,114.”
NHTSA complaint #11698972, filed 2025-11, 55,114 miles“The contact owns a 2019 GMC Acadia. The contact stated while driving 55 MPH, the electric power steering (EPS) warning light illuminated, displaying the message Steering assist Might be Inoperable . The contact stated that following the message being displayed, the vehicle overheated. After restarting the vehicle, the vehicle returned to normal functionality, but the failure had since become a regular occurrence. The vehicle was taken to the dealer, who diagnosed a failure with the thermostat. The vehicle was repaired. …”
NHTSA complaint #11543214, filed 2023-09, 70,000 miles“The contact owns a 2019 GMC Acadia. The contact stated that while driving at an undisclosed speed, a “Steering Assist is Reduced ” warning message unexpectedly displayed. The contact also stated that the thermostat became inoperable. Additionally, the thermostat information was no longer displayed on the instrument panel. The vehicle was taken to the dealer, where it was diagnosed that the thermostat had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline for further assistance. …”
NHTSA complaint #11738131, filed 2026-05, 48,500 miles“The contact owns a 2019 GMC Acadia. The contact stated while driving at an undisclosed speed, the vehicle hesitated to accelerate with the Steering Assist Reduced, Drive with Care message displayed. Additionally, the temperature gauge remained on cold. The vehicle was taken to the dealer; however, no failure was found. The failure recurred, and the vehicle was taken back to the dealer, where it was determined that the thermostat needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 44,000. …”
NHTSA complaint #11516666, filed 2023-04, 44,000 milesRelated service bulletins
- 10251890Mar 13, 2024This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank…
- 10250775Feb 22, 2024This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large…
- 10250579Feb 15, 2024This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate.
- 10250505Feb 7, 2024This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
- 10250503Feb 7, 2024This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
- 10250347Feb 2, 2024This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and…
- 10249579Jan 12, 2024This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- 10249037Jan 11, 2024This informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the…
- 10247524Dec 13, 2023This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminatedâ.
- 10247192Dec 8, 2023This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 3 | 2% |
| 2020 | 1 | 1% |
| 2019 | 5 | 1% |
| 2018 | 1 | 0% |
| 2017 | 2 | 0% |
| 2014 | 2 | 0% |
| 2012 | 3 | 1% |
| 2011 | 4 | 1% |
| 2010 | 10 | 3% |
| 2009 | 8 | 2% |
| 2008 | 20 | 2% |
| 2007 | 12 | 3% |
Other parts of the 2019 GMC Acadia
154 complaintsOther or unknown
120 complaintsElectrical system
106 complaintsEngine
53 complaintsSteering
33 complaintsBrakes
17 complaintsExterior lighting
10 complaintsForward collision avoidance
6 complaintsLane departure
6 complaintsSuspension
6 complaintsFuel system
5 complaintsAir bags
3 complaints
← All problems reported for the 2019 GMC Acadia
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology