Mazda CX-90: High Voltage

Affects Mazda CX-90 · 2024 — about 5K vehicles.

The hazard

Issue: On certain vehicles, software problems with the powertrain control module (PCM) and battery energy control module (BECM) could cause the engine not to restart after a start-stop (i-stop) event. Safety Risk: A vehicle that doesn't restart after a start-stop event could increase the risk of a crash. Corrective Actions: Mazda will notify owners by mail and advise you to take your vehicle to a dealership to update the PCM and BECM software.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational