The National Highway Traffic Safety Administration (NHTSA) reports that more than 60,000 Mack trucks—from model years 2020 to 2025, including the Anthem, Granite, Pinnacle, and TerraPro—are being recalled due to issues with Bendix EC80 Advanced ECUs. Problems such as electrical interference and inadequate power line signals may lead the ECU to misinterpret commands or cease functioning altogether.

International Motors is also recalling over 105,000 trucks for similar reasons. The impacted models include:

• 2021-2025 HV

• 2021-2025 HX

• 2021-2024 LoneStar

• 2021-2025 LT

• 2021-2025 MV

• 2022 ProStar

• 2021-2025 RH

These malfunctions in the Bendix ECU could impair critical safety functions like automatic traction control, anti-lock braking systems (ABS), electronic stability control, active cruise control, and collision mitigation systems, thereby heightening crash risks.

The faulty EC80 ECUs are primarily installed in “towing vehicles.” Bendix utilizes a power line carrier network enabling communication between tractor and trailer through an electrical signal. This signal is prone to failure, particularly in trucks towing multiple trailers compared to those with a single trailer.

Mack Trucks has documented 55 warranty claims as of October 30th, where the ABS light activated, causing the system to go “offline” without affecting other safety features. Fortunately, no field reports, accidents, or injuries have been linked to the Bendix ECU malfunction so far.

Authorized dealers will offer free reprogramming of the affected Bendix ECU software. Mack truck owners will receive notification letters on December 13, while International truck owners can expect theirs on December 23.

This recall is part of a broader issue initiated on October 11, affecting over 400,000 ECUs distributed to Volvo Trucks and Navistar. Volvo has already recalled nearly 127,000 trucks featuring these ECUs.

For detailed information about the Mack recall, contact customer service at 800-866-1177 with recall number SC0472. NHTSA’s reference for this recall is 24V-792. Inquiries regarding the International recall can be directed to their customer service at 800-448-7825 with recall number 24515. NHTSA’s reference for this recall is 24V-818.

Source: Land Line

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According to documents from the National Highway Traffic Safety Administration, nearly 6,000 Kenworth and Peterbilt trucks from the model year 2025 are being recalled by Paccar. The affected models include:

• Kenworth C500

• Kenworth T680

• Kenworth T800

• Kenworth T880

• Kenworth W900

• Kenworth W990

• Peterbilt 567

• Peterbilt 579

• Peterbilt 589

These trucks are equipped with Cummins X15 diesel engines featuring specific fuel pumps. It has been identified that some fuel pump barrels were manufactured with parts that have low fatigue strength, increasing their risk of fracturing. This fracture could lead to a fuel leak, potentially causing an engine stall, thereby elevating the chance of a crash.

Vehicles experiencing this engine defect might show reduced performance or trigger a warning light when fuel pressure dips below the required level. The presence of diesel fuel may also be detectable by sight or smell.

Paccar, in collaboration with the engine manufacturers, will replace the faulty Cummins X15 fuel pump barrels at no cost. Owners will receive notification letters by December 22.

This recall forms a segment of a comprehensive equipment recall issued by Cummins in September, affecting over 9,000 Cummins X15 engines supplied to different vehicle manufacturers such as Navistar, Daimler Truck, Kenworth, and Peterbilt. Of the total recalled units, only about 3% are anticipated to have this defect.

On October 1, both Daimler Truck North America and Navistar initiated their recalls related to the Cummins X15 issue, affecting nearly 1,700 trucks collectively. Together with Paccar’s recall, the majority of the engines initially recalled by Cummins are now accounted for. These engines were sold not only to heavy-duty commercial truck manufacturers but also to several fire truck manufacturers.

For inquiries regarding the Kenworth recall, customers can contact customer service at 425-828-5888, referencing recall number 24KWH. Peterbilt attendees can reach out to 940-591-4220 with recall number 24PBH or contact Cummins at 812-377-5000. The NHTSA recall number is 24V-789 for both recalls.

Source: Land Line

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