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MACK ANTHEM, PIONEER — recall

Automotive · Canada · 2026-04-01

Mack Anthem, Pioneer trucks: software issue may cause trailer turn signals to fail when towing

Country	Canada
Category	Automotive
Published	2026-04-01
Manufacturer	MACK
Models affected	ANTHEM, PIONEER
Model year	2027, 2026 2027
Units affected	11
Defect	On certain trucks, a software problem could cause the trailer turn signal lights not to work when towing._x000D_ Note: This problem would cause an error message to display on the instrument panel._x000D_ Turn signals that don't work may cause a person not to recognize when a driver intends to turn or change lanes and could increase the risk of a crash.
Component	Lights And Instruments
Remedy	To reduce the safety risk, Mack advises you to test the trailer turn signals before driving, until the recall repairs are completed. Mack will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
Recall number	2026-154
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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