Friday, August 7, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Mazda CX-3 2013–2021technical service bulletin

Bulletin SA-030-21a · NHTSA communication 10198673 · issued Jun 15, 2021

Technical service bulletin
communication type
Equipment
component
2013–2021
model years
45
vehicle entries

Official summary

There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method B. Auxiliary Key Code Cut Method A. Auxiliary Key Trace Cut Method If only one auxiliary key is lost/missing, some key cutting machines can trace cut a new key blank. 1. Trace cut the new auxiliary key blank(s). B. Auxiliary Key Code Cut Method If both auxiliary keys are lost/missing, use this method for cutting new auxiliary key blank(s). 1. Confirm you have access to a Mazda approved key cutting machine. See â  Mazda Approved Key Cutting Machineâ  table.

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.