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Loss of control Published 11 Jul 2017 Ref JP-2105240

Hino: Computer (Powertrain

Translated from Japanese · machine translation

Safety-critical recall — loss of control. If your vehicle is affected, contact your dealer before driving.
Country
Japan
Published
11 Jul 2017
Units affected
1051
Reference
JP-2105240

Affected vehicles

Hino Hino Poncho 2006–2016

Hazard

In small buses, the automatic transmission fail-safe control program is inappropriate. If the vehicle speed sensor malfunctions, fail-safe does not activate, and the transmission may unexpectedly downshift to a low gear during driving. In the worst case, sudden deceleration may occur during operation.
Show original (日本語)
小型バスにおいて、自動変速機のフェールセーフ制御プログラムが不適切なため、車速センサが異常となった場合にフェールセーフが作動せず、走行中に急に低速段へ変速することがある。そのため、最悪の場合、走行中に急減速するおそれがある。

Remedy

Replace the automatic transmission ECU with a corrective unit on all vehicles.
Show original (日本語)
全車両、自動変速機ECUを対策品に交換する。

Official source

View the official recall notice