Mazda CX-3 2012–2023 — technical service bulletin

Bulletin MT-004-22 · NHTSA communication 10228648 · issued Dec 1, 2022

Technical service bulletin

communication type

Engine and Engine Cooling

component

2012–2023

model years

vehicle entries

Official summary

Some vehicles may experience the Check Engine Light ON with DTC P0171 (Fuel Trim too Lean) and possibly DTCs P030X (Misfire). Vehicles having this concern should use the following Inspection/Repair procedure.

Vehicles covered

2016 Mazda CX-3
2017 Mazda CX-3
2018 Mazda CX-3
2019 Mazda CX-3
2020 Mazda CX-3
2021 Mazda CX-3
2020 Mazda CX-30
2021 Mazda CX-30
2022 Mazda CX-30
2023 Mazda CX-30
2013 Mazda CX-5
2014 Mazda CX-5
2015 Mazda CX-5
2016 Mazda CX-5
2017 Mazda CX-5
2018 Mazda CX-5
2019 Mazda CX-5
2020 Mazda CX-5
2021 Mazda CX-5
2022 Mazda CX-5
2023 Mazda CX-5
2023 Mazda CX-50
2016 Mazda CX-9
2017 Mazda CX-9
2018 Mazda CX-9
2019 Mazda CX-9
2020 Mazda CX-9
2021 Mazda CX-9
2022 Mazda CX-9
2023 Mazda CX-9
2012 Mazda MAZDA3
2013 Mazda MAZDA3
2014 Mazda MAZDA3
2015 Mazda MAZDA3
2016 Mazda MAZDA3
2017 Mazda MAZDA3
2018 Mazda MAZDA3
2019 Mazda MAZDA3
2020 Mazda MAZDA3
2021 Mazda MAZDA3
2022 Mazda MAZDA3
2023 Mazda MAZDA3
2014 Mazda MAZDA6
2015 Mazda MAZDA6
2016 Mazda MAZDA6
2017 Mazda MAZDA6
2018 Mazda MAZDA6
2019 Mazda MAZDA6
2020 Mazda MAZDA6
2021 Mazda MAZDA6
2016 Mazda MX-5
2017 Mazda MX-5
2018 Mazda MX-5
2019 Mazda MX-5
2020 Mazda MX-5
2021 Mazda MX-5
2022 Mazda MX-5
2023 Mazda MX-5

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.