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Udトラックス 2Pg-Cd4Ba, 2Pg-Cd4Ca, 2Pg-Cd5Al, 2Pg-Cd5Ba, 2Pg-Cd5Bl, 2Pg-Cd5Ca. Published by MLIT as 1151022 on 17 February 2022. Part: その他(制御装置).

What the notice says 大型トラックの電制エアドライヤーにおいて、セントラルシャシ入出力モジュールのエアドライヤー再生プログラムが不適切なため、当該ドライヤー乾燥再生動作が適切な頻度で実行されず乾燥剤の吸湿能力の低下により、高湿度圧縮空気がエアタンク及び各エアシステム回路内で結露し凝縮水が生成される。そのため、そのままの状態で使用を続けると、凝縮水の影響により車高調整不良等が発生することがある。最悪の場合、外気温が氷点下の環境において、(2) ブレーキ系のエアバルブ内に残留した水分が凍結し、ブレーキ異常の警告メッセージが表示されるとともに、電子制御ブレーキシステム(ebs)が作動不良に至るおそれがある。

Is your vehicle included? Check with your VIN at MLIT, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.

Notification number
1151022
Notified
17 February 2022
Make
UD Trucks(UDトラックス), Hino(日野)
Sold as
クオン
Model codes
2PG-CD4BA, 2PG-CD4CA, 2PG-CD5AL, 2PG-CD5BA, 2PG-CD5BL, 2PG-CD5CA, 2PG-CD5CE, 2PG-CD5CL, 2DG-CF5AL, 2PG-CG4CA, 2PG-CG5BA, 2PG-CG5BE, 2PG-CG5BL, 2PG-CG5CA, 2PG-CG5CE, 2PG-CG5CL, 2PG-CV4BA, 2PG-CW4AL, 2PG-CW5AL, 2PG-CW5BL, 2PG-CW5CA, 2PG-CW5CL, 2PG-CX5BA, 2PG-CX5BL, 2DG-CZ5BL, 2PG-GK5AAB, 2PG-GK5AAB改, 2PG-GK5AAD, 2PG-GK5AAE, 2PG-GK5AAE改, 2PG-GK5AAK, 2DG-HF5AL
Part at fault
その他(制御装置)
Vehicles covered
5,048
Filed as
Recall
Register
Japan — Ministry of Land, Infrastructure, Transport and Tourism

What the ministry says is wrong

大型トラックの電制エアドライヤーにおいて、セントラルシャシ入出力モジュールのエアドライヤー再生プログラムが不適切なため、当該ドライヤー乾燥再生動作が適切な頻度で実行されず乾燥剤の吸湿能力の低下により、高湿度圧縮空気がエアタンク及び各エアシステム回路内で結露し凝縮水が生成される。そのため、そのままの状態で使用を続けると、凝縮水の影響により車高調整不良等が発生することがある。最悪の場合、外気温が氷点下の環境において、(2) ブレーキ系のエアバルブ内に残留した水分が凍結し、ブレーキ異常の警告メッセージが表示されるとともに、電子制御ブレーキシステム(EBS)が作動不良に至るおそれがある。

What is to be done about it

全車両、セントラルシャシ入出力モジュールのプログラムを、対策プログラムに書き換える。なお、主ブレーキ異常および車高調整システム異常の警告メッセージが表示されている場合は、故障診断を行い該当する部品を交換し、エア配管内をエアパージする。

The two passages above are quoted in Japanese because that is the language the ministry published them in. This site keeps the wording a register had when it was read, and does not translate a safety notice.

Source: Ministry of Land, Infrastructure, Transport and Tourism website (出典:国土交通省ウェブサイト), used under the Public Data License 1.0. This site gathered the record, grouped it by notification number and set it in English around the ministry's own words; the notice itself is unaltered. CarsMultiverse is not the ministry and not a safety authority. To act on this notice, use the ministry's own document.

The Japanese register on this site

UDトラックス elsewhere in this register

UDトラックス is named on 230 notices in the copy of MLIT’s register held here, of which these are the nearest to this one in time.

The same part: その他(制御装置)

146 notices in this register name その他(制御装置). A defect that keeps returning under one heading is worth reading as a group rather than one notice at a time.

Reading this against the source

This page is what MLIT published in the recall notices it publishes, kept as it was read. The authority publishes only its current wording; if a notice is rewritten, the earlier version disappears there and is kept here. The whole register is at /japan, and how the reading is done is set out in the method.

This register keeps an index of its own for every maker and every year it holds: Japanese recalls on a UD Trucks: 231 in the register, and 415 Japanese vehicle recall notifications filed in 2022.

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