Overview
| MLIT filing number | 1147620 |
|---|---|
| Type | Statutory Recall (government-mandated recall) |
| Date filed | June 24, 2020 |
| Manufacturer(s) | Daihatsu, Toyota |
| Component | Computer |
| Production period | February 2014 — February 2020 |
| Vehicles affected | 250,284 units |
Defect
The hybrid system's fault detection control program is incorrect. During high-load driving conditions such as rapid acceleration from very low speeds, if a voltage boost circuit element is damaged, the system may fail to enter fail-safe mode. As a result, a warning lamp illuminates and the hybrid system shuts down, rendering the vehicle inoperable.
Corrective action
Reprogram the fault detection control program to the corrected specification on all vehicles. If a warning lamp illuminates due to element damage after the reprogram is applied, replace the power converter module at no charge.
Affected models & chassis ranges
This filing lists 4 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-ZVW30 | PRIUS | ZVW30-0398518 — ZVW30-0485367; ZVW30-1794895 — ZVW30-1999997; ZVW30-2000002 — ZVW30-2004902; ZVW30-5740753 — ZVW30-5768978 |
| DAA-ZVW41N | MEBIUS | ZVW41-0016202 — ZVW41-0086670; ZVW41-3359258 — ZVW41-3363911 |
| DAA-ZVW41W | PRIUS ALPHA | ZVW41-0012226 — ZVW41-0086674; ZVW41-3359035 — ZVW41-3402918 |
| DAA-ZWE186H | AURIS | ZWE186-1000016 — ZWE186-1009949 |
Original Japanese (MLIT source text)
Show the original Japanese filing text
状況
ハイブリッドシステムにおいて、異常判定時の制御プログラムが不適切なため、極低速から急加速するような高負荷走行時等に昇圧回路の素子が損傷した場合、フェールセーフモードに移行できないことがある。そのため、警告灯が点灯し、ハイブリッドシステムが停止して、走行不能となるおそれがある。
改善措置
全車両、異常判定時の制御プログラムを対策仕様に修正する。 当該制御プログラム修正後に素子が損傷して警告灯が点灯した場合は、電力変換器のモジュールを無償交換する。
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=3004768
Related
All Daihatsu recalls · All Toyota recalls · All 2020 recalls · Recall Archive home