Use cautionVehicle recall · NHTSA · Published January 11, 2022
Freightliner Business Class M2 (2020) Recall: Brakes Pull During ACC Braking Risk
Daimler Trucks North America recalls 2020 Freightliner Business Class M2 trucks with brake modulator valves that may corrode, causing sudden vehicle pull during ACC braking. Free repairs to prevent crash risk.
Brakes that pull to one side during an ACC braking event may cause a sudden change in vehicle direction, increasing the risk of a crash.
✎ GovInfoNow plain-language explainer
Daimler Trucks North America is recalling 2020 Freightliner Business Class M2 trucks where front brake modulator valves could corrode. This may cause the vehicle to pull to one side during Adaptive Cruise Control braking, increasing crash risk. Owners should get free repairs to prevent sudden direction changes. Read more at govinfonow.com/recall/79558-freightliner-business-class-m2-2020-recall-brakes-pull-during-acc.
“Freightliner Business Class M2 (2020) Recall: Brakes Pull During ACC Braking Risk.” GovInfoNow, updated August 18, 2026. https://govinfonow.com/recall/79558-freightliner-business-class-m2-2020-recall-brakes-pull-during-acc. Based on NHTSA recall #22V817000 (https://www.nhtsa.gov/recalls?nhtsaId=22V817000).
Daimler Trucks North America, LLC is recalling certain Freightliner and Western Star vehicles due to brake modulator valve corrosion that may cause the vehicle to pull during Adaptive Cruise Control braking, increasing crash risk. The National Highway Traffic Safety Administration announced the recall on Jan. 11, 2022. Dealers will inspect and replace affected valves free of charge.
How to tell if you have it
Freightliner Cascadia, 2017-2023
Freightliner Business Class M2, 2020-2022
Freightliner 114SD, 2022
Western Star 49X, 2020-2023
Western Star 47X, 2021-2023
Western Star 57X, 2021-2022
What to do
Dealers will inspect and replace the front brake modulator valves, as necessary. Some vehicles will have a software update which will alert driver when a replacement is required. All repairs will be performed free of charge.
The hazard
The brake modulator valves on the front axle may corrode and cause the vehicle to pull to the affected side during an Adaptive Cruise Control (ACC) braking event. This sudden change in vehicle direction increases the risk of a crash.
Context
Daimler Trucks North America, LLC has 273 other recalls on record since 2011-07-06. Other recent recalls of similar products include Freightliner FCCC XBS Recall: Fuel Leak Fire Risk (2026-10-07), 2027 Thomas Built SAF-T-LINER C2 Recall: Headlight Issue (2026-10-01), and Freightliner Business Class M2 Recall: Fire Risk from Exhaust Contact (2026-10-01). NHTSA has received 8 owner complaints for the 2020 FREIGHTLINER BUSINESS CLASS M2, with the latest received on 2024-05-03. Other recent recalls of similar products include Freightliner Business Class M2 Steering Recall: Binding Gears Risk (2026-02-04), Volvo VNL 2025 Recall: Brake System Failure Risk (2026-04-23), and Ford 2026 F-150 Power Train Recall: Risk of Loss of Control (2026-09-09).
How to tell if you have this one
Check if your truck was manufactured between 2020 and 2023. The recall covers Freightliner Business Class M2 models with specific years and configurations.
Brand
Daimler Trucks North America
Category
Vehicle
Based on the official NHTSA remedy
What to do — step by step
Stop using it now
Dealers will inspect and replace front brake modulator valves if corroded to prevent sudden vehicle pull during ACC braking.
Get software update
Some vehicles will receive a software update that alerts drivers when replacement is needed.
Official remedy
What NHTSA says to do
Dealers will inspect and replace the front brake modulator valves, as necessary. Some vehicles will have a software update which will alert driver when a replacement is required. All repairs will be performed free of charge. Owner notification letters were mailed beginning October 16, 2023. DTNA's number for this recall is FL-958. This recall expands and replaces previous recall 20V-390. All vehicles previously repaired under recall 20V-390 will need to have the new remedy performed.
How this recall unfolded
Recall timeline
Owners were mailed letters 21 months after NHTSA received the defect report.
1NHTSA received the defect report
2Owner letters mailed
Dates from the agency record only; steps without a date are left out.
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
Plain-language summary written by qwen3:4b on August 18, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.