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Brakes Published 18 Apr 2024 Ref JP-1237980

Volvo: Computer (Control Unit)

Translated from Japanese · machine translation

Safety-critical recall — brakes. If your vehicle is affected, contact your dealer before driving.
Country
Japan
Published
18 Apr 2024
Units affected
11
Reference
JP-1237980

Affected vehicles

Volvo FH 2021–2022

Hazard

Certain Air Pressure Modulator (APM) units contain semiconductors that were insufficiently evaluated and verified during design changes, failing to meet durability and reliability standards. Continued use may result in premature semiconductor degradation, causing conduction abnormalities that disable the parking brake solenoid valve, potentially compromising parking brake function.
Show original (日本語)
エア生成モジュレータ(APM)において、半導体を変更した際の評価検証が不十分なため、耐久性・信頼性が開発基準を満足していない半導体が組み込まれたものがある。そのため、そのまま使用を続けると、当該半導体の早期劣化により導通異常が発生し、駐車ブレーキ系ソレノイドバルブが不作動となり、駐車ブレーキの機能が損なわれるおそれがある。

Remedy

Replace the Air Pressure Modulator with a conforming unit on all vehicles.
Show original (日本語)
全車両、エア生成モジュレータを良品に交換する。

Official source

View the official recall notice