Mazda CX-3 2016 — technical service bulletin
Bulletin MTI_1137 · NHTSA communication 10185834 · issued Nov 3, 2016
Technical service bulletin
communication type
Equipment
component
2016
model years
9
vehicle entries
Official summary
Mulri-Model (Equipped with Mazda connect) - DTC U0323/U0423/U3000 Cannot be deleted (Update)
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.