Mazda CX-90 2024 — technical service bulletin
Bulletin SSPD4a · NHTSA communication 10248297 · issued Dec 27, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2024
model years
1
vehicle entries
Official summary
SSPD4- 2024 CX-90 (MHEV) - OBD II Water Temp Sensor Detection Concern: The second water temperature sensor circuit failure may not be diagnosed correctly and also the execution rate of the evaporative monitor in the field may not be calculated correctly. The repair will be reprogramming the PCM with the modified software with MMDS, using MDARS. There are 9,991 vehicles in the campaign.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.