Mazda CX-30 2019–2022 — technical service bulletin
Bulletin 09-048-22 · NHTSA communication 10228664 · issued Dec 13, 2022
Technical service bulletin
communication type
Electrical System
component
2019–2022
model years
6
vehicle entries
Official summary
Some vehicles may exhibit the following symptoms with DTC P05A0:00 (Active air shutter and the opening angle abnormality (sticking)) stored in memory. Symptom 1 [Mazda3 and CX-30]: The active air shutter is working, but DTC P05A0:00 is stored in memory. Cause 1: This is caused by improper control software of the PCM detecting the DTC immediately without performing the failsafe operation. When the active air shutter detects unusual torque, it is designed to repeat the open/close cycles up to three times as a failsafe to try to remove the object(s) which temporarily disturbed the movement. Sympt
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.