2025 Acura MDX electrical system problems

31 owner complaints filed with NHTSA name the electrical system on the 2025 Acura MDX — 42% of all complaints for this model year.

Electrical System complaints

42%

share of all complaints

—

median reported incident mileage

0 / 0

crash / fire reports

What owners report

“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…”
filed Jul 31, 2026
“Auto start-stop system stalled car at a light, could not turn car off after multiple tries following instructions on dash, but ultimately finally turned off, and then struggled to turn back on, all while on a busy road during rush hour.”
filed Jul 10, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

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