2024 Mazda CX-90 electrical system problems

36 owner complaints filed with NHTSA name the electrical system on the 2024 Mazda CX-90 — 11% of all complaints for this model year.

Electrical System complaints

11%

share of all complaints

—

median reported incident mileage

1 / 0

crash / fire reports

What owners report

“I am reporting a recurring safety-related issue with my 2024 Mazda CX-90 Turbo S Premium involving the mild hybrid system. The first failure occurred at approximately 28,000 miles. While driving, the vehicle displayed multiple warning messages, including "Mild Hybrid Battery Malfunction," "i-Stop…”
filed Aug 5, 2026
“I am writing to formally notify you that I have officially filed comprehensive complaints with the NHTSA (National Highway Traffic Safety Administration), the Tennessee Department of Commerce and Insurance (TDCI, Case #202604748), and the Better Business Bureau (BBB) regarding Wyatt Johnson Mazda…”
filed Jul 15, 2026

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

DESCRIPTION Some customers may experience an instrument cluster warning message. REPAIR PROCEDURE Inspect the 48V battery cable connections to the busbar.
SA-044-26 · Service Bulletin/Repair Instructions · issued Jul 2, 2026
This Service Alert supersedes the previously issued SAs listed below. The changes are noted in Red text. SA-017/25 12/16/25, 09/08/25, 07/14/25, 05/15/25 and 03/21/25 DESCRIPTION Mazda Connect Frequently Asked Questions…
SA-042-26 · Service Bulletin/Repair Instructions · issued Jul 1, 2026

Year	Reports	Share
2025 CX-90	3	12%