In September 2019, UD Trucks filed a statutory recall with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Driver assistance control unit, covering the Quon. The filing affects 1,595 vehicles manufactured between October 31, 2017 and December 27, 2018.
Overview
| MLIT filing number | 1145640 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | September 3, 2019 |
| Manufacturer(s) | UD Trucks |
| Component | Driver assistance control unit |
| Production period | October 31, 2017 — December 27, 2018 |
| Vehicles affected | 1,595 units |
Filing in context
The Driver assistance control unit is the most frequently cited component category in this archive, appearing in 2 of its 4,890 filings. This filing is one of 27 UD Trucks notifications from 2019 in this archive. For scale, 2,535 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 1 year and 1 month.
Defect
On the driver assistance system of large tractors, the corrected/updated software written to the driver assistance control unit under improvement measure (Kai-564) is inadequate. When a trailer without ABS is connected, the caution message alerting the driver that automatic emergency braking is inactive is not displayed. As a result, the driver may not be aware that automatic emergency braking is inoperative.
Corrective action
On all vehicles, reprogram the driver assistance control unit with the corrected/updated software.
Affected models & chassis ranges
This filing lists 4 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 |
|---|---|---|
| 2PG-GK5AAB | QUON | JNCMBP0A3HU022537 — JNCMB22A0KU040145 |
| 2PG-GK5AAD | QUON | JNCMB22A4JU027834 — JNCMB22A1KU040123 |
| 2PG-GK5AAE | QUON | JNCMB22A7JU029657 — JNCMB22AXKU040105 |
| 2PG-GK5AAK | QUON | JNCMB02A1JU034874 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
大型トラクタの運転者支援システムにおいて、改善対策（改５６４）で書き換えた運転者支援制御ユニットの対策プログラムが不適切なため、ＡＢＳ無しトレーラーの連結時に衝突被害軽減ブレーキが作動しないことを知らせる注意喚起メッセージが表示されない。そのため、衝突被害軽減ブレーキの不作動であることを運転者が認知できないおそれがある。
改善措置
全車両、当該ユニットのプログラムを対策プログラムに書き換える。
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=3004586
Related recalls
Same manufacturer, same component
Other UD Trucks filings involving the Driver assistance control unit, closest to this one by filing date.
Other recalls affecting the same models
Filings whose affected type codes overlap with this one, newest first.
Other (Control Device) — affects 26,885 vehicles.
Open recall detail →Safety Lighting (Other) — affects 29,097 vehicles.
Open recall detail →Drive shaft — affects 5,994 vehicles.
Open recall detail →Shock Absorber — affects 127 vehicles.
Open recall detail →Pressure Control / Transmission Component — affects 127 vehicles.
Open recall detail →All UD Trucks recalls · All 2019 recalls · Recall Archive home