2025 Acura MDX problems & reliability
74 owner complaints filed with NHTSA for the 2025 Acura MDX, alongside 3 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
1 complaint report injuries (1 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine → | 47 | 64% |
| Electrical System → | 31 | 42% |
| Unknown OR Other | 18 | 24% |
| Fuel/propulsion System | 8 | 11% |
| Forward Collision Avoidance | 4 | 5% |
| Service Brakes | 3 | 4% |
| Back Over Prevention | 2 | 3% |
| Fuel System, Gasoline | 2 | 3% |
| Power Train | 2 | 3% |
| Steering | 2 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Complaints by incident year
What owners report
“While at a stop light, the vehicle had automatic start/stop on and failed to restart when the gas pedal was applied. The car went into park but still seemed like it was on, even though it was not. I had to remain calm, put on my hazards, and attempt a couple of times to reboot the vehicle. This has happened at least…”
Unknown OR Other · filed Aug 2, 2026
“I am submitting this complaint regarding my **2025 Acura MDX**, which I currently lease. The vehicle has an ongoing starting system malfunction that has not been resolved despite multiple service visits. I believe this issue presents a significant safety risk. The primary issue involves the **Auto Idle Stop/Auto…”
Engine · filed Jul 31, 2026
“I am writing to formally report a serious and recurring safety defect with my 2025 Acura MDX A-Spec (VIN [XXX]) involving the Auto Idle Stop system. The engine repeatedly fails to restart after the Auto Idle Stop feature shuts it off. When my wife releases the brake pedal (for example, at a traffic light), the vehicle…”
Engine · filed Jul 31, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- No Restart After Auto Start/Stop Engages
Engineering Analysis EA25004 · opened Mar 26, 2025 · open
Technical service bulletins
25 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2025 Acura MDX. The 10 most recent:
Tech Line Summary Article - Customers are complaining of a clicking noise from front of vehicle while turning at low speeds. This is a temporary solution to address the issue.
BBTS28851 · Service Bulletin/Repair Instructions · issued Jul 18, 2026
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2024-2026 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction)…
BTI&05122026901 · Other · issued May 13, 2026
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2024-2026 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction)…
BTI&04292026901 · Other · issued Apr 29, 2026
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2024-2026 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction)…
BTI&04202026901 · Other · issued Apr 20, 2026
Tech Line Summary - The vehicle's infotainment system displays previously viewed SMS messages upon each ignition cycle, when the customer's Android phone is connected via Bluetooth.
BBTS30565 · Other · issued Apr 7, 2026
Over The Air System Updates - Vehicles equipped with the System Updates application are capable of downloading and installing Over the Air System updates (OTA). A connection to a Wi-Fi network is needed to perform the…
BB28518 · Over The Air · issued Mar 10, 2026
Over the Air System Update - System updates contain upgrades that fix operational errors and/or provide a variety of enhancements, which adds new functionality. Information about the various software releases can be…
B28518 · Over The Air · issued Jan 17, 2026
Tech Line - Customers may experience error code S001 with their audio unit. The vehicle may also have DTC B2B05-92 CAN Gateway error stored due to the dealership’s wi-fi settings.
BB29050 · Other · issued Aug 4, 2025
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2023-2025 MDXs with a client complaint of a no auto re-start condition after going into an auto idle stop. The push button ignition may or…
BTI&07312025903 · Other · issued Aug 1, 2025
Tech Line Summary - Customers are complaining of a clicking noise from front of vehicle while turning at low speeds. This is a temporary solution to address the issue.
BBTS28851 · Other · issued Jul 17, 2025
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2025 Acura MDX has 3 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2025 Acura MDX?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.