2024 Mazda CX-90 engine problems
47 owner complaints filed with NHTSA name the engine on the 2024 Mazda CX-90 — 15% of all complaints for this model year.
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
“At just under 40,000 miles, the radiator started leaking along the seams. It was noticed by the dealer repair shop when the dealer was performing warranty repairs on the front differential. There were no other indications before discovery.”
filed Jul 23, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Powertrain control module (PCM) and engine control modules (ECM) software may cause…Campaign 24V815000 · Oct 31, 2024
Other reported problem areas on the 2024 Mazda CX-90
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.