Overview
| MLIT filing number | 1154732 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | May 16, 2024 |
| Manufacturer(s) | Mazda |
| Component | Computer (Powertrain Control) |
| Production period | December 14, 2022 — October 31, 2023 |
| Vehicles affected | 4,925 units |
Defect
(2) The transmission control computer applies improper clutch control logic during deceleration, causing delays in clutch release timing or unintended clutch engagement. This results in engine speed dropping during deceleration and, in the worst case, an engine stall at low vehicle speeds.
Corrective action
(2) On all vehicles, reprogram the transmission control computer with the corrected/updated software and perform the transmission initial learning procedure.
Affected models & chassis ranges
This filing lists 1 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-KH5P | ＣＸ－６０ | KH5P-100009 — KH5P-105018 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
（２）トランスミッション制御コンピュータにおいて、減速中のクラッチ制御が不適切なため、クラッチを解放するタイミングの遅れや、意図しないタイミングでのクラッチ締結が発生することがある。そのため、減速中にエンジン回転が低下し、最悪の場合、低車速時にエンストするおそれがある。
改善措置
（２）全車両、トランスミッション制御コンピュータの制御プログラムを対策プログラムに修正し、トランスミッションの初期学習を実施する。
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=3009709