2021 Freightliner Cascadia Brakes Problems
- Complaints
- 3about this part
- Share
- 19%of 16 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the brakes of the 2021 Freightliner Cascadia, 19% of the 16 complaints for this model year. 4 recall campaigns on record are filed under a similar system.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Without warning an Automatic breaking event occurred and the tractor slammed on its breaks while on open road with no one near on a sunny day. I was bobtailing south.. That event caused my AEB system to disable itself and I also lost cruise control. The funny thing is even after the system is disabled I’m still having automatic breaking events around curves..”
NHTSA complaint #11765034, filed 2026-09“My Emplyoer has not fixed anything on the truck, the truck shouldn’t be operating, doesn’t meet DOT Regulations, I was told not to go into any scales or weigh stations, loses air and the air doesn’t build back up properly, I lost all air in my breaks while driving on the road”
NHTSA complaint #11530297, filed 2023-07“When driving, there is a constant and very strong vibration throughout the entirety of the truck. This makes it difficult to steer and drive in a safe manner. I've replaced any parts that might be associated with this malfunction with brand new parts at the advice of professional mechanics (cost over $30,000) and it was to no avail. The truck is still malfunctioning and I have been left unable to work or barely working for 14 months. The vibration has caused many health concerns, like headaches, nausea, and stomach ulcers. …”
NHTSA complaint #11561665, filed 2023-12Related recalls
- 22V817000Nov 1, 2022Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2023 Freightliner Cascadia, 2020-2022 Freightliner Business Class M2, and 2022 Freightliner…Covers: Freightliner Cascadia 2017–2023, Western Star 49X 2020–2023, Freightliner Business Class M2 2020–2022 +2 more
- 20V567000Feb 16, 2022Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2021 Cascadia P4 vehicles. The brake lights may remain illuminated after the brake pedal has…Covers: Freightliner Cascadia 2017–2021
- 21V018000Jan 20, 2021Daimler Trucks North America, LLC (DTNA) is recalling 2021 Western Star 4700 and 5700, Freightliner Business Class M2, Cascadia, and Custom Chassis XC Chassis…Covers: Freightliner Cascadia 2021, Business Class M2 2021, Western Star 4700 2021 +4 more
- 20V390000Jul 2, 2020Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2021 Freightliner Cascadia tractor trailers. The single brake modulator valve may be…Covers: Freightliner Cascadia 2017–2021
Related service bulletins
- 11030500Mar 19, 2026CX Advocate for 1810/02 ABS longitudinal acceleration fault (TSB-54-104-WST,TSB-54-379-FTL)
- 11029519Feb 25, 2026Fleet Communications for TSB-54-379-FTL & TSB-54-104-WST ESC warning lamp and ECU replacement
- 11028071Jan 28, 2026Revised Technical Service Bulletin for ESC Warning Lamp and ECU Replacement
- 11028064Jan 22, 2026Technical Service Bulletin for ESC Warning Lamp and ECU Replacement
- 11027487Dec 11, 2025Fleet Communications for ABS Wheel Speed Sensor Faults
- 11025094Oct 16, 2025CX Advocate for Experiencing Excessive Purging from Air Dryer
- 11023665Sep 12, 2025My Communications for Parts Alert ABS Harness
Brakes: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 2 | 14% |
| 2023 | 1 | 8% |
| 2022 | 5 | 38% |
| 2021 | 3 | 19% |
| 2020 | 7 | 27% |
| 2019 | 10 | 34% |
| 2018 | 3 | 27% |
| 2017 | 1 | 11% |
| 2016 | 1 | 8% |
| 2015 | 3 | 19% |
| 2014 | 3 | 25% |
| 2013 | 2 | 29% |
| 2012 | 1 | 6% |
| 2011 | 2 | 17% |
| 2009 | 1 | 5% |
Other parts of the 2021 Freightliner Cascadia
6 complaintsForward collision avoidance
5 complaintsElectrical system
2 complaintsSteering
2 complaintsSuspension
2 complaintsEngine
1 complaintsOther or unknown
1 complaintsBody and structure
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2021 Freightliner Cascadia
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology