POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
Manufacturer
Mazda North American Operations
What Happened
Your vehicle's powertrain control module (PCM) and engine control modules (ECM) software might be causing issues. This could make your car's warning lights come on and affect the power to your engine.
Risk if Unfixed
If the power to your engine is lost, it could lead to a crash, which is a serious safety risk.
Free Fix
You should take your vehicle to a dealership, where they'll update the software for free. You can also contact Mazda customer service at 1-800-222-5500 Option 6 for more information, and check your notification letter for the recall number 7024J.
Show original NHTSA language
Original — What Happened
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.
Original — Risk if Unfixed
Loss of drive power increases the risk of a crash.
Original — 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.
The fuel gauge in your vehicle may show an incorrect amount of fuel, which can lead to running out of fuel and potentially stalling.
Risk if Unfixed
If your fuel gauge is inaccurate, you might unexpectedly run out of fuel, which could cause your vehicle to stall and increase the risk of a crash.
Free Fix
Mazda will update the software in your vehicle's body control module for free to fix the issue, and you'll be notified with a letter or can contact Mazda customer service at 1-800-222-5500 Option 6.
Show original NHTSA language
Original — What Happened
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.
Original — Risk if Unfixed
An inaccurate fuel gauge may result in the vehicle unexpectedly running out of fuel and stalling, increasing the risk of a crash.
Original — 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.
Your vehicle's electrical system may not turn on some important features like the defroster and 360° view monitor during startup.
Risk if Unfixed
If this happens, it could increase the risk of a crash, which is a serious safety issue.
Free Fix
We'll reprogram the electrical system's software for free at a dealership, so you should schedule an appointment to get this updated.
Show original NHTSA language
Original — What Happened
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.
Original — Risk if Unfixed
An ESU that does not function properly, increases the risk of a crash.
Original — 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.
Mazda is recalling your 2024 CX-90 or 2025 CX-70 plug-in hybrid electric vehicle due to a software issue in the inverter, which helps power your car's electric motor.
Risk if Unfixed
If not fixed, this issue could cause your car's drive power to cut out while in electric mode, increasing the risk of a crash.
Free Fix
Mazda will update the software in your inverter for free at a dealership, and you should have already received a notification letter. If not, you can contact Mazda's customer service at 1-800-222-5500 Option 6 and reference recall number 7024J.
Show original NHTSA language
Original — What Happened
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.
Original — Risk if Unfixed
Loss of drive power increases the risk of a crash.
Original — 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.
