Manufacturers losing chip that powers ABS warning lamps

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The chip used to activate in-cab trailer ABS malfunction lamps has been discontinued, leaving suppliers with a limited three- to four-year “inventory bridge” to redesign and requalify their electronic control units. The PLC-4-Truck P485 chip transmits the malfunction signal from the trailer ABS to the tractor, Commercial Vehicle Brake Manufacturers Council chairman Dave Engelbert said […]

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