2019 Acura MDX Engine cooling Problems
- Complaints
- 30about this part
- Share
- 16%of 190 total for the year
- Median mileage
- 49,000miles
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA recorded 30 complaints about the engine cooling of the 2019 Acura MDX, 16% of the 190 complaints for this model year. Where a mileage was given, the median is 49,000 miles. 1 a fire, according to the filers. 2 recall campaigns on record are filed under a similar system.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2019 Acura MDX. The contact stated that while at a stoplight with the Auto START/STOP feature activated, the vehicle failed to restart after releasing the brake pedal. The contact stated that the vehicle was able to be restarted approximately 5 minutes later. The failure had occurred on several occasions. The local dealer was notified of the failure, but the cause of the failure was not yet determined. The manufacturer was not notified of the failure. …”
NHTSA complaint #11694677, filed 2025-10, 1,000 miles“The contact owns a 2019 Acura MDX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling) however, the parts to do the recall repairs were not yet available. The local dealer was contacted, and it was confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not yet contacted. …”
NHTSA complaint #11592620, filed 2024-06, 98,000 miles“The contact owns a 2019 Acura MDX. The contact stated that while driving at various undisclosed speeds, an abnormal sound could be heard coming from the engine and a fuel-burning odor leaked into the interior and exterior of the vehicle. The transmission jerked while driving. The failure occurred on several occasions. The contact received a notification of NHTSA Campaign Numbers: 23V858000 (FUEL SYSTEM, GASOLINE) and 23V751000 ( ENGINE AND ENGINE COOLING). However, the part to do the recall repair was not yet available. …”
NHTSA complaint #11634814, filed 2025-01, 60,000 miles“The contact owns a 2019 Acura MDX. The contact stated that the vehicle was taken to the local dealer for routine maintenance, and it was diagnosed that the tensioner was leaking, and the timing belt needed to be replaced. The vehicle was not repaired. There were no warning lights illuminated. The contact stated that the failure was related to NHTSA Campaign Number: 19V298000 (Engine and Engine Cooling). The manufacturer was contacted but provided no additional assistance. The failure mileage was approximately 35,000.”
NHTSA complaint #11610798, filed 2024-08, 35,000 miles“The contact owns a 2019 Acura MDX. The contact received notification of NHTSA Campaign Numbers: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling) however, the parts to do the recall repairs were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact stated while driving approximately 65 MPH, the accelerator pedal was depressed; however, the vehicle failed to respond and started to decelerate. …”
NHTSA complaint #11574063, filed 2024-02, 45,705 milesRelated recalls
- 23V751000Nov 13, 2023Honda (American Honda Motor Co.) is recalling certain 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2016 and 2018-2019 Pilot, 2017 and 2019 Ridgeline, and…Covers: Acura MDX 2016–2020, TLX 2015–2020, Honda Pilot 2016, 2018–2019 +2 more
- 19V298000Apr 12, 2019Honda (American Honda Motor Co.) is recalling certain 2018-2019 Acura MDX and Honda Pilot vehicles and 2019 Acura RLX, RLX Sport Hybrid, TLX and Honda Odyssey…Covers: Acura MDX 2018–2019, Honda Pilot 2018–2019, Odyssey 2019 +4 more
Related service bulletins
- 10248978Jan 10, 2024Service Bulletin - The MIL comes on during vehicle operation due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks…
- 10247626Dec 15, 2023Service Bulletin - Due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441…
- 10235126Apr 20, 2023Service Bulletin - The engine will not crank on the initial startup attempt after the vehicle has been exposed to precipitation and then freezing temperatures. Water can enter…
- 10233292Mar 20, 2023Service Bulletin - Under certain circumstances, after coming to a stop and engaging idle stop the vehicle may not restart automatically due to excessive cylinder pressure and/or…
- 10232976Mar 10, 2023Product Update - Under certain circumstances, after coming to a stop and the idle stop feature engaging, the vehicle may not automatically restart. Acura is providing a product…
- 10232974Mar 10, 2023Warranty Extension - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart.
- 10232972Mar 10, 2023Warranty Extension - Warranty Extension reimbursement form for engine idle stop repairs made before the warranty extension notice date.
- 10232965Mar 1, 2023Service Bulletin - The engine will not crank on the initial startup attempt after the vehicle has been exposed to precipitation and then freezing temperatures.
- 10231058Jan 27, 2023Service Bulletin - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Typically, the customer can…
- 10229689Jan 6, 2023Dealer Message - During development, the idle stop enable criteria was mis-set allowing idle stop to improperly engage while battery health is low. Under certain circumstances…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2020 | 19 | 8% |
| 2019 | 30 | 16% |
| 2018 | 19 | 11% |
| 2017 | 18 | 7% |
| 2016 | 10 | 3% |
| 2013 | 1 | 3% |
| 2012 | 2 | 3% |
| 2011 | 1 | 1% |
| 2009 | 3 | 6% |
| 2008 | 2 | 4% |
| 2007 | 4 | 4% |
| 2006 | 2 | 2% |
| 2005 | 9 | 5% |
| 2004 | 13 | 8% |
| 2003 | 16 | 8% |
| 2002 | 14 | 7% |
| 2001 | 19 | 8% |
Other parts of the 2019 Acura MDX
48 complaintsFuel system
43 complaintsElectrical system
41 complaintsTransmission and drivetrain
31 complaintsOther or unknown
25 complaintsForward collision avoidance
22 complaintsLane departure
14 complaintsVehicle speed control
10 complaintsBrakes
9 complaintsVisibility (wipers, defrost, mirrors)
9 complaintsExterior lighting
5 complaintsSteering
5 complaints
← All problems reported for the 2019 Acura MDX
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