In June 2023, Hino filed a statutory recall with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Ride-height adjustment device, covering the Profia. The filing affects 9 vehicles manufactured between November 26, 2018 and August 20, 2021.
Overview
| MLIT filing number | 1153442 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | June 28, 2023 |
| Manufacturer(s) | Hino |
| Component | Ride-height adjustment device |
| Production period | November 26, 2018 — August 20, 2021 |
| Vehicles affected | 9 units |
Filing in context
The Ride-height adjustment device is the most frequently cited component category in this archive, appearing in 2 of its 4,890 filings. This filing is one of 25 Hino notifications from 2023 in this archive. For scale, 4,615 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 2 years and 8 months.
Defect
On vehicles equipped with a ride-height lowering device for stationary work operations, the control circuit was improperly designed. When the vehicle height is lowered, the air suspension ECU power supply is cut, causing the ECU to detect an abnormality and display a warning indication.
Corrective action
② Reprogram the control circuit with corrected software so that the air suspension ECU power supply is maintained during height lowering, preventing erroneous fault detection and warning display.
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 |
|---|---|---|
| 2DG-FR1AHG | PROFIA | FR1AH-101058 — FR1AH108810 |
| 2DG-FW1AHG改 | PROFIA | FW1AH-103492 — FW1AH-121046 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
停車作業用の車高降下装置を取り付けた車両において、制御回路の設計が不適切なため、
改善措置
②車高降下時にエアサスＥＣＵ電源を遮断するため異常を検知し警告表示する。
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=3009367
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