Mazda CX-90 2024 — technical service bulletin
Bulletin SA-034-23b · NHTSA communication 10246212 · issued Nov 20, 2023
Technical service bulletin
communication type
Electrical System
component
2024
model years
1
vehicle entries
Official summary
Telematics Malfunction. Have the Vehicle Inspected error message. Master Warning light ON, DTC U3000:04 (Telematics communication unit internal malfunction) is stored.
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.