In April 2021, Subaru filed an improvement campaign with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Other systems, covering the Levorg. The filing affects 18,507 vehicles manufactured between November 2020 and March 18, 2021.
Overview
| MLIT filing number | 2106100 |
|---|---|
| Type | Improvement Campaign (manufacturer improvement measure / 改善対策) |
| Date filed | April 1, 2021 |
| Manufacturer(s) | Subaru |
| Component | Other systems |
| Production period | November 2020 — March 18, 2021 |
| Vehicles affected | 18,507 units |
Filing in context
The Other systems is the most frequently cited component category in this archive, appearing in 3 of its 4,890 filings. This filing is one of 12 Subaru notifications from 2021 in this archive. For scale, 1,281 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 4 months.
Issue
The collision mitigation brake control program in the driver assistance system is incorrect. As a result, the system may fail to correctly recognize roadside guide posts on curves or the travel direction of oncoming vehicles, causing the system to react with excessive sensitivity to these objects as potential collision targets. This may cause an unintended proximity warning to sound and the collision mitigation brake system to activate.
Corrective action
On all vehicles, the driver assistance system control program is reprogrammed.
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 |
|---|---|---|
| 4BA-VN5 | LEVORG | VN5-002043 — VN5-021872 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
運転支援装置において、衝突被害軽減ブレーキの制御プログラムが不適切なため、カーブ路にあるガイドポストや対向車の進行方向等を正しく認識できず、システムが衝突対象として過敏に反応することがある。そのため、意図しないところで障害物との接近を知らせる警報音が鳴り、衝突被害軽減ブレーキが作動するおそれがある。
改善措置
全車両、運転支援装置の制御プログラムを書き換える。
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=3008912
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