2009 Acura MDX electrical system problems
18 owner complaints filed with NHTSA name the electrical system on the 2009 Acura MDX — 35% of all complaints for this model year.
What owners report
“Odometer Fraud. The contact purchased a 2009 Acura MDX. It was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of the purchase, the mileage was 117,500. At the time of the vehicle registration, it was discovered that the mileage was 140,223.”
filed Jul 21, 2026
“I just got this car in September and it is now throwing all kinds of different codes to the point where I can’t drive it sh-awd /check charging station / emission light etc”
filed Jun 24, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Service News - The navigation clock and date are incorrect. This is due to a limited GPS receiver capacity resulting in rollover of internal chip memory. The rollover occurred on January 1, 2022 at 12:00AM local time
B23040A · Service Bulletin/Repair Instructions · issued May 17, 2023ServiceNews Article - The clock shows the incorrect time. This issue is due to a limited GPS receiver capacity resulting in "rollover" of the internal chip memory; the "rollover" will occur on January 1, 2022, at…
B21120A · Service Bulletin/Repair Instructions · issued Jan 25, 2022
Electrical System problems in other MDX years
| Year | Reports | Share |
|---|---|---|
| 2025 MDX | 31 | 42% |
| 2024 MDX | 10 | 28% |
| 2023 MDX | 8 | 22% |
| 2022 MDX | 19 | 14% |
| 2020 MDX | 37 | 18% |
| 2019 MDX | 39 | 21% |
| 2018 MDX | 27 | 17% |
| 2017 MDX | 43 | 17% |
| 2016 MDX | 37 | 10% |
| 2015 MDX | 15 | 21% |
| 2014 MDX | 27 | 16% |
| 2013 MDX | 8 | 28% |
Other reported problem areas on the 2009 Acura MDX
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.