Overview
| MLIT filing number | 1125400 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | May 21, 2010 |
| Manufacturer(s) | Lexus |
| Component | Computer (Steering) |
| Production period | August 28, 2009 — May 13, 2010 |
| Vehicles affected | 4,509 units |
Defect
The control software for the Variable Gear Ratio Steering (VGRS) system is incorrect. When a full-lock stationary steering input is followed by a rapid return of the steering wheel, the steering neutral position may temporarily shift significantly out of alignment.
Corrective action
On all vehicles, replace the VGRS computer with a unit containing the corrected/updated software. Until replacement parts are available, owners are to be notified of precautions to observe while driving.
Affected models & chassis ranges
This filing lists 6 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 | UVF45-5007503 — UVF45-5007528; UVF45-5007665 — UVF45-5009712; n-a |
| DAA-UVF46 | LS600hL | UVF46-5010863 — UVF46-5010919; UVF46-5011039 — UVF46-5012814; n-a |
| DBA-USF40 | LS460 | USF40-5091493 — USF40-5091552; USF40-5094289 — USF40-5099016; n-a |
| DBA-USF41 | LS460L | USF41-5036886 — USF41-5036901; USF41-5038151 — USF41-5040670; n-a |
| DBA-USF45 | LS460 | USF45-5004579 — USF45-5004586; USF45-5005889 — USF45-5007783; n-a |
| DBA-USF46 | LS460L | USF46-5001455 — USF46-5002323; 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、交換部品の準備が整うまでの間、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=3002349