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UD Trucks — recall

Automotive · Japan · 2025-11-18

UD Trucks central chassis input/output module replacement has improper programming

Country	Japan
Category	Automotive
Published	2025-11-18
Manufacturer	UD Trucks Corporation
Models affected	Quon
Units affected	92
Defect	Due to improper programming instructions when replacing the old central chassis input/output module with the current model during repair of the electronically controlled air dryer, the software related to the air dryer's regeneration program has not been updated to the latest version. As a result, the air dryer's drying regeneration operation is not performed at the appropriate frequency, the desiccant's moisture absorption capacity decreases, and high-humidity compressed air condenses in the air tank and each air system circuit, generating condensed water. If use continues in this state, iss…
Recall number	5736
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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