Risk of Sudden Braking Issue Prompts Daimler to Recall 180,000 Freightliner Cascadias

Portland, OR – Nearly 183,000 Freightliner Cascadias are being recalled in the United States and Canada.

On Thursday, July 2, Daimler Trucks North America (DTNA) submitted a recall report to the National Highway Traffic Safety Administration (NHTSA) on 164,317 Freightliner Cascadias, year models 2017-2021.

In Canada, Transport Canada’s recall report indicates 18,664 are affected of the same model and years.


According to the report, “On certain vehicles, chemical corrosion could affect the functionality of the single brake modulator valve, which may result in slow release timing of brakes on the affected side.”

Further, the report explained, “A slow release of the brake on one side during an active brake request (ie. automatic braking events) could lead to a brake pull resulting in a sudden change in vehicle direction due to uneven braking on the front axle increasing the risk of a motor vehicle crash.”

DTNA first learned of the issue in May of 2019.


Testing, in partnership with Wabco USA, revealed the problem was occurring with the solenoid ABS modulator valve.

Specifically, Daimler indicated Wabco “found blockage of the inlet solenoid from magnesium chloride corrosion deforming the O-ring.”


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“Failed valves appear to be isolated to only the right valve and a single route,” the report states.

In total, the recall will affect 182,981 trucks.


DTNA said approximately 1-percent of the recalled trucks are likely to experience the problem.

Dealers and customers are set to be notified on August 30, 2020.

All repairs will be performed at DTNA authorized service facilities.

The NHTSA recall number is 20V-390.

In Canada, the recall number is 2020305.

The manufacturer’s recall number for both is FL-855.


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