Mazda CX-30 2020–2026 — technical service bulletin
Bulletin 09-002-26 · NHTSA communication 11028096 · issued Jan 9, 2026
Technical service bulletin
communication type
Structure
component
2020–2026
model years
7
vehicle entries
Official summary
On some vehicles, the front door glass run channel may interfere with the rear door garnish. Since the front door glass run channel is not fixed strongly enough to the door, repetition of door operation may result in interference and damage to the rear door rubber seal. 1. When the front door glass is closed, the glass run-channel may be forced to move to the B-pillar side. 2. Under extremely hot climate conditions, the glass run-channel may expand to the B-pillar side. To eliminate this concern, the fixing force and durability of the glass run channel against thermal expansion and vibration h
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.