In July 2010, Lexus filed a statutory recall with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Steering Computer, covering the LS460, LS600h and 1 more model. The filing affects 87 vehicles manufactured between August 28, 2009 and May 13, 2010.
Overview
| MLIT filing number | 1125810 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | July 21, 2010 |
| Manufacturer(s) | Lexus |
| Component | Steering Computer |
| Production period | August 28, 2009 — May 13, 2010 |
| Vehicles affected | 87 units |
Filing in context
This is the only filing in the archive that cites the Steering Computer as the affected component. This filing is one of 6 Lexus notifications from 2010 in this archive. For scale, 3,934 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
The control software for the Variable Gear Ratio Steering (VGRS) system is improperly calibrated. When the steering wheel is returned quickly after a full-lock stationary turn, the steering neutral position may temporarily shift significantly off-center.
Corrective action
On all vehicles, replace the VGRS computer with a unit containing the corrected control software. Until the replacement is completed, notify vehicle operators of the precautions to observe while driving.
Affected models & chassis ranges
This filing lists 3 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 |
|---|---|---|
| DAA-UVF45 | ＬＳ６００ｈ | n-a |
| DAA-UVF46 | ＬＳ６００ｈＬ | n-a |
| DBA-USF40 | ＬＳ４６０ | n-a |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
ギヤ比可変ステアリングシステム（ＶＧＲＳ）の制御プログラムが不適切なため、通常の据え切り操作から急ハンドルのような素早い戻し操作をすると、一時的にハンドルの中立位置が大きくずれることがある。
改善措置
全車両、制御プログラムを修正したＶＧＲＳコンピュータと交換する。 なお、部品を交換するまでの間、運転時の注意事項を使用者に周知する。
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=3002396
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Open recall detail →