2024 Mazda CX-90 problems

Defect

Mazda North American Operations (Mazda) is recalling certain 2024-2025 CX-90 and 2025 CX-70 mild hybrid electric vehicles (MHEV). The fuel gauge in the instrument cluster may display an inaccurate fuel reading.

Consequence

An inaccurate fuel gauge may result in the vehicle unexpectedly running out of fuel and stalling, increasing the risk of a crash.

Remedy

Dealers will update the body control module (BCM) software, free of charge. Owner notification letters were mailed October 24, 2025. Owners may contact Mazda customer service at 1-800-222-5500 Option 6. The manufacturer's number for this recall is 78251. The information in your report suggests that Mazda may have been aware of this issue more than five business days before filing a report with NHTSA. Please be reminded that under Federal law, this agency is to be notified of all safety defect and/or noncompliance decisions within five business days. 49 CFR 573.6 Significant civil penalties can be assessed for this violation.

Defect

Mazda North American Operations (Mazda) is recalling certain 2024-2025 CX-90 and 2025 CX-70 vehicles equipped with a Dash Electrical Supply Unit (ESU). During vehicle startup, the defroster, seat belt warning, 360° view monitor functions, and the PHEV high-voltage battery cooling system may not function properly.

Consequence

An ESU that does not function properly, increases the risk of a crash.

Remedy

Dealers will reprogram the Dash ESU with improved software, free of charge. Owner notification letters were mailed December 18, 2024. Owners may contact Mazda customer service at 1-800-222-5500 Option 6. Mazda's number for this recall is 7124J.

Defect

Mazda North American Operations (Mazda) is recalling certain 2024 CX-90 and 2025 CX-70 plug-in hybrid electric vehicles. Improper inverter software may cause the malfunction indicator lights to illuminate, and a loss of drive power may occur while in electric vehicle (EV) mode.

Consequence

Loss of drive power increases the risk of a crash.

Remedy

Dealers will install improved inverter software, free of charge. Owner notification letters were mailed December 19, 2024. Owners may contact Mazda customer service at 1-800-222-5500 Option 6. Mazda's number for this recall is 7024J.

Defect

Mazda North American Operations (Mazda) is recalling certain 2024 CX-90 vehicles. The engine may not restart after the idling stop feature (i-stop) turns off the engine due to a software issue.

Consequence

An engine that fails to restart increases the risk of a crash.

Remedy

Dealers will reprogram the powertrain control module (PCM) and the battery energy control module (BECM) software, free of charge. Owner notification letters were mailed December 19, 2024. Owners may contact Mazda customer service at 1-800-222-5500 Option 6. Mazda's number for this recall is 7024J.

Defect

Mazda North American Operations (Mazda) is recalling certain 2024 CX-90 and 2025 CX-70 vehicles. The powertrain control module (PCM) and engine control modules (ECM) software may cause malfunction indicator lights to illuminate and a loss of drive power.

Consequence

Loss of drive power increases the risk of a crash.

Remedy

Dealers will reprogram the PCM and ECM software, free of charge. Owner notification letters were mailed December 19, 2024. Owners may contact Mazda customer service at 1-800-222-5500 Option 6. Mazda's number for this recall is 7024J.

Defect

Mazda North American Operations (Mazda) is recalling certain 2024 CX-90 vehicles. The brakes may activate suddenly due to the automatic braking system falsely detecting certain objects while driving.

Consequence

Unexpected braking increases the risk of a crash.

Remedy

Dealers will reprogram the vehicle control module (VCM) with updated software, free of charge. Owner notification letters were mailed July 12, 2024. Owners may contact Mazda customer service at 1-800-222-5500 Option 6. Mazda's number for this recall is 6724E.

Defect

Mazda North America Operations (Mazda) is recalling certain 2024 CX-90 vehicles. An assembly issue with the worm gear in the steering system may result in a sudden loss of power steering assist.

Consequence

Loss of power steering assist while driving increases the risk of a crash.

Remedy

Dealers will replace the spring engaging the worm gear and reapply grease to the gear teeth, free of charge. Owner notification letters were mailed March 6, 2024. Owners may contact Mazda customer service at 1-800-222-5500 Option 6. Mazda's number for this recall is 6524A.

Defect

Mazda North American Operations (Mazda) is recalling certain 2024 CX-90 plug-in hybrid electric (PHEV) vehicles. Due to a software error, the engine and electric motor may shut down unexpectedly, which can result in a loss of drive power.

Consequence

A loss of drive power can increase the risk of a crash.

Remedy

Dealers will update the powertrain control module and engine control module software, free of charge. Owner notification letters were mailed December 20, 2023. Owners may contact Mazda customer service at 1-800-222-5500 Option 6. Mazda's number for this recall is 6323J.

Defect

Mazda North American Operations (Mazda) is recalling certain 2024 CX-90 and MAZDA3 vehicles. Due to a software error, the rearview, front, and/or side camera images may not appear on the display. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Consequence

A camera that does not display an image can reduce the driver's view, increasing the risk of a crash or injury.

Remedy

Dealers will update the view monitor control module software, free of charge. Owner notification letters were mailed December 20, 2023. Owners may contact Mazda customer service at 1-800-222-5500 Option 6. Mazda's number for this recall is 6223J.

Defect

Mazda North American Operations (Mazda) is recalling certain 2024 CX-90 vehicles. Software in the Approaching Vehicle Audible System (AVAS) Information Sound Box (ISB) amplifier may be missing, which can cause inaccurate, external pedestrian warning sounds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 141, "Minimum Sound Requirements for Hybrid Electric Vehicles."

Consequence

Inaccurate external warning sounds may confuse pedestrians about the direction of an approaching vehicle, increasing the risk of a crash or injury.

Remedy

Dealers will update the AVAS ISB amplifier software, free of charge. Owner notification letters were mailed September 18, 2023. Owners may contact Mazda customer service at 1-800-222-5500 Option 6. Mazda's number for this recall is 6123H.

Defect

Mazda North American Operations (Mazda) is recalling certain 2024 CX-90 vehicles. Some steering and suspension bolts may be missing or improperly tightened, which can cause the steering intermediate shaft, the front anti-lock brake system wheel speed sensor harnesses, or the front upper control arms to detach, resulting in a loss of vehicle control.

Consequence

A loss of vehicle control increases the risk of a crash.

Remedy

Dealers will inspect and tighten or replace the steering and suspension bolts, as necessary, free of charge. Owner notification letters were mailed July 14, 2023. Owners may contact Mazda customer service at 1-800-222-5500 Option 6. Mazda's number for this recall is 5923F.