In July 2024, Isuzu & UD Trucks filed a statutory recall with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Other (frame/body), covering the Quon, Giga. The filing affects 358 vehicles manufactured between August 10, 2023 and April 18, 2024.
Overview
| MLIT filing number | 1155160 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | July 10, 2024 |
| Manufacturer(s) | Isuzu, UD Trucks |
| Component | Other (frame/body) |
| Production period | August 10, 2023 — April 18, 2024 |
| Vehicles affected | 358 units |
Filing in context
This notification is a joint filing by 2 manufacturers: Isuzu & UD Trucks.
The Other (frame/body) is the most frequently cited component category in this archive, appearing in 42 of its 4,890 filings. This filing is one of 24 Isuzu notifications from 2024 in this archive. For scale, 3,310 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 8 months.
Defect
On large tractors equipped with a two-axle coupler, the lock guard was redesigned to improve manufacturing process efficiency; however, its shape is incorrect. When a coupling operation is performed with the tractor and trailer at mismatched heights, the lock guard fails to function correctly, resulting in a false-coupled condition. At the same time, the instrument cluster may display a "Trailer Coupling Complete" message. If the operator continues use without visually confirming the coupling state, the tractor and trailer may separate while driving.
Corrective action
On all vehicles, inspect the lock guard shape. If the vehicle is subject to replacement, replace the lock guard with the corrected part, measure the top surface of the jaw and the apex of the lock guard radius, and adjust as necessary. Until the replacement is completed, notify operators to match the tractor and trailer heights before coupling and to visually confirm the coupling state after the operation.
Affected models & chassis ranges
This filing lists 9 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 |
|---|---|---|
| 2DG-EW6EAH | GIGA | JNCMC90D1RU086726 — JNCMDA0D2RU092307 |
| 2DG-EW6ELH | GIGA | JNCMC90D2PU085792 — JNCMC90D2RU093037 |
| 2DG-GW6EAH | QUON | JNCMC90D7PU085755 — JNCMC90D6RU093607 |
| 2DG-GW6ELH | QUON | JNCMC90D4PU085776 — JNCMC90D5RU093503 |
| 2PG-GK6DAB | QUON | JNCMC90A5RU087111 — JNCMC90A2RU088846 |
| 2RG-EK5DAB | GIGA | JNCMCJ0A8RU087265 — JNCMCJ0A3RU087304 |
| 2RG-EK5DAD | GIGA | JNCMCJ0A3RU089859 — JNCMCJ0A2RU090680 |
| 2RG-GK5DAB | QUON | JNCMCJ0A8PU086128 — JNCMCJ0A5RU092083 |
| 2RG-GK5DAD | QUON | JNCMCJ0A9RU090983 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
大型トラクタの２軸式カプラにおいて、製造工程の作業性改善で設計変更したロックガード（誤連結防止部品）の形状が不適切なため、トラクタとトレーラの高さが合っていない状態で連結操作を行うと、ロックガードが正しく作動せず誤連結状態となるとともに、インストルメントクラスタに「トレーラ連結完了」のメッセージが表示されることがある。そのため、目視による連結状態を確認しないまま使用を続けると、走行中にトラクタとトレーラが分離するおそれがある。
改善措置
全車両、ロックガードの形状を確認し、交換対象の場合はロックガードを対策品と交換し、ジョー上面とロックガードＲ部頂点を計測の上、必要に応じて調整する。なお、対策品に交換するまでの間、使用者へ連結操作時にトラクタとトレーラの高さを合わせること、および完了後に連結状態を目視確認することを周知する。
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=3009786
Related recalls
Same manufacturer, same component
Other Isuzu filings involving the Other (frame/body), closest to this one by filing date.
Other (frame/body) — affects 20 vehicles.
Open recall detail →Other (frame/body) — affects 77 vehicles.
Open recall detail →Other (frame/body) — affects 295 vehicles.
Open recall detail →Other (frame/body) — affects 751 vehicles.
Open recall detail →Other (frame/body) — affects 648 vehicles.
Open recall detail →All Isuzu recalls · All UD Trucks recalls · All 2024 recalls · Recall Archive home