In July 2022, Mitsubishi filed a statutory recall with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Computer (ECU), covering the Aero ACE, Aero Queen. The filing affects 2,290 vehicles manufactured between June 2017 and September 27, 1991.
Overview
| MLIT filing number | 1151791 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | July 5, 2022 |
| Manufacturer(s) | Mitsubishi |
| Component | Computer (ECU) |
| Production period | June 2017 — September 27, 1991 |
| Vehicles affected | 2,290 units |
Filing in context
The Computer (ECU) is the most frequently cited component category in this archive, appearing in 2 of its 4,890 filings. This filing is one of 39 Mitsubishi notifications from 2022 in this archive. For scale, 2,338 of the 4,890 filings in this archive report a larger number of affected vehicles.
Defect
On large sightseeing buses, the electrical component control ECU contains an incorrect program. As a result: (1) Even after the parking brake is released, the system may fail to correctly display the parking brake status; additionally, the brake lights, side turn signal lamps, license plate lights, EZGO (hill-start assist), and hill holder may become inoperative. (2) Even when the seat belt is unfastened, the 'Seat Belt Warning' pop-up message is not displayed.
Corrective action
On all vehicles, reprogram the electrical component control ECU with the corrected/updated software.
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 |
|---|---|---|
| 2TG-MS06GP | ふそうエアロエース | MS06GP-71001 — MS06GP-85019; MS06GP-71021 — MS06GP-85009 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
大型観光バスにおいて、電装品制御ＥＣＵのプログラムが不適切なため、①駐車ブレーキを解除しても、駐車ブレーキの作動状態を正しく表示しない場合があるほか、制動灯、車両側面のターンシグナルランプ、番号灯、ＥＺＧＯ（坂道発進補助装置）、ヒルホルダ等が機能しなくなるおそれがある。② シートベルトを外した状態であっても、『シートベルト着用警告』のポップアップメッセージが表示されない。
改善措置
全車両、電装品制御ＥＣＵのプログラムを対策品に書き換える。
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=3005210
Related recalls
Same manufacturer, same component
Other Mitsubishi filings involving the Computer (ECU), closest to this one by filing date.
Other recalls affecting the same models
Filings whose affected type codes overlap with this one, newest first.
Rearview Mirror — affects 3,024 vehicles.
Open recall detail →Other (suspension) — affects 246 vehicles.
Open recall detail →Turn Signal — affects 71,823 vehicles.
Open recall detail →Other (engine) — affects 2,617 vehicles.
Open recall detail →Steering wheel — affects 3,117 vehicles.
Open recall detail →All Mitsubishi recalls · All 2022 recalls · Recall Archive home