2020 Acura RDX electrical system problems
26 owner complaints filed with NHTSA name the electrical system on the 2020 Acura RDX — 8% of all complaints for this model year.
What owners report
“I am reporting recurring water intrusion into my 2020 Acura RDX following significant rainfall. The first water intrusion resulted from heavy rainfall in April 2026. I did not discover the water inside the vehicle until May 1, 2026, when I found water accumulated on the driver-side floor. I filed…”
filed Aug 30, 2026
“I am reporting recurring water intrusion into the driver-side passenger compartment of my 2020 Acura RDX following significant rainfall. This has occurred multiple times. The most recent incident occurred on August 28, 2026, following heavy rainfall. Water entered the vehicle and accumulated on the…”
filed Aug 30, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Over The Air Update - Vehicles equipped with the System Updates application are capable of downloading and installing Over the Air System Updates. System Updates contain upgrades that fix a variety of operational errors…
B21673 · Over The Air · issued May 18, 2026Service Bulletin - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media-oriented system (MOST) bus network which can…
B23-025 · Service Bulletin/Repair Instructions · issued Dec 18, 2024Service Bulletin - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media-oriented system transport (MOST) bus network…
B24-045 · Service Bulletin/Repair Instructions · issued Jul 30, 2024
Electrical System problems in other RDX years
| Year | Reports | Share |
|---|---|---|
| 2025 RDX | 5 | 17% |
| 2023 RDX | 4 | 19% |
| 2022 RDX | 1 | 3% |
| 2021 RDX | 10 | 9% |
| 2019 RDX | 39 | 9% |
| 2018 RDX | 8 | 10% |
| 2017 RDX | 18 | 24% |
| 2016 RDX | 8 | 20% |
| 2015 RDX | 8 | 2% |
| 2014 RDX | 8 | 3% |
| 2013 RDX | 7 | 4% |
| 2010 RDX | 2 | 9% |
Other reported problem areas on the 2020 Acura RDX
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.