In December 2020, Mazda filed a statutory recall with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Engine Control Unit, covering the MAZDA3. The filing affects 22 vehicles manufactured between June 12, 2019 and October 14, 2019.
Overview
| MLIT filing number | 1148572 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | December 10, 2020 |
| Manufacturer(s) | Mazda |
| Component | Engine Control Unit |
| Production period | June 12, 2019 — October 14, 2019 |
| Vehicles affected | 22 units |
Filing in context
The Engine Control Unit is the most frequently cited component category in this archive, appearing in 3 of its 4,890 filings. This filing is one of 22 Mazda notifications from 2020 in this archive. For scale, 4,395 of the 4,890 filings in this archive report a larger number of affected vehicles; the vehicles involved here were manufactured over a span of about 4 months.
Defect
In the engine control unit, an incorrect restart control program for the engine stop-start system may cause a delay in the engine-stop determination process used to detect an idling stop event. If this delay occurs, the engine may fail to restart after an idling stop.
Corrective action
Reprogram the engine control unit restart control program for the engine stop-start system to the corrected software on all vehicles.
Affected models & chassis ranges
This filing lists 2 type code(s). A vehicle is affected if its chassis number falls within one of the ranges below.
| Type code (型式) | Model | Chassis ranges |
|---|---|---|
| 5BA-BPFP | ＭＡＺＤＡ３ | BPFP-100420 — BPFP-107339 |
| 6BA-BP5P | ＭＡＺＤＡ３ | BP5P-101514 — BP5P-106282 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
②エンジン制御コンピュータにおいて、アイドリングストップ後の再始動制御プログラムが不適切なため、アイドリングストップを判別するためのエンジン停止判定処理が遅れた場合、アイドリングストップ後にエンジンが再始動しなくなるおそれがある。
改善措置
②全車両、エンジン制御コンピュータのアイドリングストップ後の再始動制御プログラムを対策プログラムに修正する。
Source & verification
This entry reproduces public data from Japan's MLIT recall registry. English text is jdmvin.com's own translation; always verify against the official source:
https://renrakuda.mlit.go.jp/renrakuda/ris-detail-car.html?class=recalldatacar&id=3004867
Related recalls
Same manufacturer, same component
Other Mazda filings involving the Engine Control Unit, closest to this one by filing date.
Engine Control Unit — affects 10 vehicles.
Open recall detail →Engine Control Unit — affects 15,105 vehicles.
Open recall detail →Other recalls affecting the same models
Filings whose affected type codes overlap with this one, newest first.
Fuel pump — affects 146,777 vehicles.
Open recall detail →Other systems — affects 43 vehicles.
Open recall detail →Computer (Engine Control) — affects 17,367 vehicles.
Open recall detail →Computer (Engine Control) — affects 17,367 vehicles.
Open recall detail →Other equipment — affects 24,750 vehicles.
Open recall detail →