In February 2023, Toyota filed a statutory recall with Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) concerning the Computer (steering control unit), covering the Noah. The filing affects 38,477 vehicles manufactured between December 2021 and December 2022.
Overview
| MLIT filing number | 1152832 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | February 16, 2023 |
| Manufacturer(s) | Toyota |
| Component | Computer (steering control unit) |
| Production period | December 2021 — December 2022 |
| Vehicles affected | 38,477 units |
Filing in context
This is the only filing in the archive that cites the Computer (steering control unit) as the affected component. This filing is one of 46 Toyota notifications from 2023 in this archive. For scale, 883 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 1 year.
Defect
In the automated steering-command parking assist function Advanced Park (a parking support system that controls steering, acceleration, and braking), an improperly configured control program may cause the warning chime to fail to sound when parking assistance is cancelled due to unmet parking conditions or other reasons. This may cause the vehicle to fail to conform to Safety Standards Article 11 (steering system).
Corrective action
On all vehicles, reprogram the combination meter to the corrected software specification.
Affected models & chassis ranges
This filing lists 8 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 |
|---|---|---|
| 6AA-ZWR90W | NOAH | ZWR90-0001005 — ZWR90-0052824; ZWR90-8000000 — ZWR90-8003140 |
| 6AA-ZWR92W | NOAH | ZWR92-0001007 — ZWR92-0001277 |
| 6AA-ZWR95W | NOAH | ZWR95-0001005 — ZWR95-0012804 |
| 6BA-MZRA90W | NOAH | MZRA90-0001001 — MZRA90-0036998; MZRA90-8000000 — MZRA90-8000002 |
| 6BA-MZRA92W | NOAH | MZRA92-0001023 — MZRA92-0002234 |
| 6BA-MZRA95W | NOAH | MZRA95-0001003 — MZRA95-0008104 |
| 6BA-MZRA95W改 | NOAH | MZRA95-0004297 — MZRA95-0006205 |
| 6BA-MZRA97W | NOAH | MZRA97-0001006 — MZRA97-0001224 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
（２）自動命令型操舵機能であるアドバンストパーク（※）において、制御プログラムが不適切なため、駐車条件が整わない等により駐車支援を中止した場合に警告音が吹鳴しないことがある。そのため、保安基準第１１条（かじ取り装置）に適合しないおそれがある。（※）ステアリング、アクセル、ブレーキ操作を制御する駐車支援システム
改善措置
（２）全車両、コンビネーションメータのプログラムを対策仕様に修正する。
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=3009157
Related recalls
Same manufacturer, close in filing date
Other Toyota filings closest to this one by filing date.
Computer (control unit) — affects 196,984 vehicles.
Open recall detail →Exhaust pipe — affects 23,586 vehicles.
Open recall detail →Computer — affects 243 vehicles.
Open recall detail →Airbag — affects 32,439 vehicles.
Open recall detail →Rearview mirror (monitor) — affects 24,391 vehicles.
Open recall detail →Other recalls affecting the same models
Filings whose affected type codes overlap with this one, newest first.
Rear-View Mirror — affects 1,285,002 vehicles.
Open recall detail →Other — affects 235,077 vehicles.
Open recall detail →Other (Safety Lighting) — affects 1,271 vehicles.
Open recall detail →Computer (steering) — affects 49,651 vehicles.
Open recall detail →Rearview mirror — affects 30,721 vehicles.
Open recall detail →