In June 2015, Subaru filed an improvement campaign with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Computer (Control Device), covering the Impreza, Legacy and 2 more models. The filing affects 68,557 vehicles manufactured between May 13, 2014 and April 14, 2015.
Overview
| MLIT filing number | 2104730 |
|---|---|
| Type | Improvement Campaign (manufacturer improvement measure / 改善対策) |
| Date filed | June 4, 2015 |
| Manufacturer(s) | Subaru |
| Component | Computer (Control Device) |
| Production period | May 13, 2014 — April 14, 2015 |
| Vehicles affected | 68,557 units |
Filing in context
The Computer (Control Device) is the most frequently cited component category in this archive, appearing in 4 of its 4,890 filings. This filing is one of 6 Subaru notifications from 2015 in this archive. For scale, 635 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 11 months.
Issue
In certain driver assistance systems, an incorrect fault detection program causes a delay in detecting a brake light switch failure when one occurs. As a result, the warning message indicating that EyeSight is unavailable may not be displayed, and the collision mitigation brake function may not activate.
Corrective action
On all affected vehicles, reprogram the driver assistance system control program.
Affected models & chassis ranges
This filing lists 7 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 |
|---|---|---|
| DBA-BN9 | LEGACY | BN9-002001 — BN9-005263 |
| DBA-BS9 | LEGACY | BS9-002001 — BS9-010242 |
| DBA-GJ7 | IMPREZA | GJ7-018201 — GJ7-019745 |
| DBA-GP7 | IMPREZA | GP7-083202 — GP7-094664 |
| DBA-VAG | ＷＲＸ | VAG-002001 — VAG-006827 |
| DBA-VM4 | LEVORG | VM4-002001 — VM4-038070 |
| DBA-VMG | LEVORG | VMG-002001 — VMG-009700 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
運転支援装置の一部において、故障検出プログラムが不適切なため、ブレーキランプスイッチが故障した際に、故障の検出に時間を要する場合がある。そのため、「アイサイトが利用できない」旨の警告が表示されないとともに、衝突被害軽減等のブレーキがかからないおそれがある。
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=3008810
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