Komatsu — recall

Automotive · Japan · 2025-06-12

Origin: 日本

Komatsu shovel loader brake lamp switches: improper piston and microswitch position adjustment

Country	Japan
Category	Automotive
Published	2025-06-12
Country of origin	日本
Manufacturer	Komatsu Ltd.
Models affected	WA100-8, WA150-8, WA200-8, WA270-8, WA320-8, WA380-8, WA470-8, WA470-10, GD405-7, GD675-6
Units affected	1500
Defect	In the brake lamp switches of shovel loaders, etc., due to improper adjustment of the piston and microswitch position relative to the diaphragm thickness, which is an internal component, the microswitch may fail to conduct in low-temperature environments. As a result, the brake lights may not illuminate even when the brake pedal is pressed.
Component	Brake light (Brake lamp switch)
Remedy	For all vehicles, check the serial number of the brake lamp switch and replace brake lamp switches manufactured during the affected period with improved parts.
Recall number	5664
Official notice	View source ↗

What this means for sellers

Likely platform / channel actions	OEMs/dealers will run the remedy (repair, replace or refund); component suppliers in the chain may face traceback.
Self-check for comparable products	Check your comparable products' design, materials and QC records against the defect described here.
Rules & standards likely involved	the destination market's product-safety rules and mandatory standards

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