2024 Mazda CX-90 transmission problems

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 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.