2021 Freightliner Cascadia Recalls

Recalls on record Updated July 2026

The 2021 Freightliner Cascadia has 20 NHTSA recall campaigns affecting an estimated 1,008,679 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 24 complaints with NHTSA, most often about the tires. Last updated July 5, 2026.

Recall campaigns

ELECTRONIC STABILITY CONTROL (ESC) 23V299000 2023-04-26 266 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain short wheelbase 2020-2024 Freightliner Cascadia, 2021-2024 Freightliner M2 Business Class, 2022 Western Star 4700, and 2020 Freightliner Classic Cascadia vehicles. The vehicle is equipped with an electronic stability control system and tire combination…

Consequence

Understeering during a J-turn may increase the risk of a crash.

Remedy

DTNA will replace the tires, free of charge. Owner notification letters were mailed June 19, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL971.

EXTERIOR LIGHTING 23V208000 2023-03-28 24,282 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2021 Freightliner Cascadia and Western Star 49X vehicles. The hazard warning lights may flash improperly during an Advanced Braking Assist event. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard…

Consequence

Hazard warning lights that flash improperly may cause confusion for other drivers, increasing the risk of a crash.

Remedy

Dealers will update the software controlling the hazard warning lights, free of charge. Owner notification letters were mailed May 18, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL851.

ELECTRONIC STABILITY CONTROL (ESC) 23V073000 2023-02-10 70,167 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2023 Freightliner Cascadia, 2020-2023 Western Star 49X, 2021-2023 Western Star 47X, and 2022 Freightliner 114SD vehicles. The brake modulator valves on the front axle may corrode and cause the vehicle to pull to the affected side during braking…

Consequence

Brakes that pull to one side may cause a sudden change in vehicle direction, increasing the risk of a crash.

Remedy

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 13, 2023. Owners may contact…

TIRES 22V919000 2022-12-12 49 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2023 Freightliner 114SD, 2023 Freightliner 122SD, 2020 Western Star 4700, 2019-2022 Western Star 4900, 2019-2023 Freightliner Business Class M2, and 2021 Freightliner Cascadia vehicles. The vehicles are equipped with tires that are not compatible…

Consequence

Driving with tires that are not compatible with their rims can reduce tire performance, increasing the risk of a crash.

Remedy

Dealers will replace the tires, free of charge. Owner notification letters were mailed June 2, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-962.

SERVICE BRAKES, AIR 22V817000 2022-11-01 219,390 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2023 Freightliner Cascadia, 2020-2022 Freightliner Business Class M2, and 2022 Freightliner 114SD, and 2020-2023 Western Star 49X, 2021-2023 Western Star 47X, and 2021-2022 Western Star 57X vehicles. The brake modulator valves on the front axle may…

Consequence

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.

Remedy

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…

EXTERIOR LIGHTING 20V567000 2022-02-16 128,451 affected
Defect

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2021 Cascadia P4 vehicles. The brake lights may remain illuminated after the brake pedal has been released.

Consequence

If the brake lights remain illuminated, drivers may be unaware when the truck is actually slowing or stopping, increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will replace the 3-pin brake pressure switch with a 2-pin brake pressure switch along with a jumper harness, free of charge. DTNA issued owners an interim notification on November 17, 2020. Owner notification letters were mailed on November 21, 2021. Owners may contact DTNA…

FUEL SYSTEM, DIESEL 21V965000 2021-12-13 2,843 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2022 Western Star 4700, 2019-2022 Freightliner 114SD, 2021-2022 Western Star 49X, Freightliner Cascadia P4, 2022 Western Star 47X, 2021 Western Star WF110, 2020 Western Star WJ121, and 2019-2021 FCCC XCP Chassis vehicles. The fuel tubes between the…

Consequence

A high pressure fuel leak in the presence of an ignition source can increase the risk of a fire.

Remedy

Dealers will replace the fuel tubes, and install vibration isolators, free of charge. Owner notification letters were mailed January 28, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-915.

STEERING 21V689000 2021-09-02 113,085 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2019 Freightliner Classic Cascadia and 2019-2021 Freightliner Cascadia trucks. The drag link taper joint may not have been tightened sufficiently and could come loose, resulting in a complete separation of the drag link from the steering arm.

Consequence

Drag link separation can cause a complete loss of steering control, increasing the risk of a crash.

Remedy

DTNA will inspect the drag link taper joint and repair it as necessary, free of charge. Owner notification letters were mailed on October 29, 2021. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL-900.

ELECTRICAL SYSTEM 21V481000 2021-06-25 122,056 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2022 Freightliner Cascadia P4, 2021 Western Star WH126, 2020 Western Star WJ121, and 2021-2022 Western Star 49X vehicles. The battery cable terminal may break, resulting in a loss of electrical power and unintended engine stall.

Consequence

An engine stall increases the risk of a crash.

Remedy

Dealers will repair or replace the battery cables, free of charge. Owner notification letters were mailed on January 7, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-893.

STEERING 21V369000 2021-05-19 8,482 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Freightliner 114SD, 122SD, Business Class M2, Cascadia, 108SD, Western Star 4900, 4700, 5700, Custom Chass RV Chassis, Custom Chass S2 Chassis, Custom Chass XC Chassis, Custom Chass XB Chassis, and Custom Chass MT Chassis. The tie rod clamps may…

Consequence

Detached or broken tie rod ends can result in steering loss, increasing the risk of a crash.

Remedy

Dealers will replace the tie rod clamp bolts and nuts, free of charge. Owner notification letters were mailed December 23, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-888.

EXTERIOR LIGHTING 21V357000 2021-05-14 72,510 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2022 Freightliner Cascadia vehicles equipped with halogen headlight assemblies. The halogen headlight bulb may dislodge during replacement and contact other vehicle components, possibly causing them to melt.

Consequence

Melting components can increase the risk of fire.

Remedy

Dealers will install a foam grommet, cut a 4-inch access hole into the inner fender, and add a warning label on both fenders, free of charge. Owner notification letters were mailed on July 9, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-887.

STEERING 21V256000 2021-04-12 12,470 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Freightliner Cascadia, Business Class M2, 114SD, 108SD, 122SD, Custom Chass S2 Chassis, Custom Chass XB Chassis, Custom Chass XC Chassis, and Custom Chass MT Chassis Western Star 4700, 4900, 5700 vehicles. The steering arm and tie rod bolts may…

Consequence

A fractured bolt may cause a loss of steering, increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will replace the tie rod arm and steering arm bolts, free of charge. The recall began on June 10, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-884.

POWER TRAIN 21V209000 2021-03-24 2 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2021 Freightliner Cascadia and Western Star 4700 vehicles. The clutch flange may break.

Consequence

If flange failure occurs, loose parts may fall into the clutch pressure plate assembly, resulting in clutch disengagement, thereby increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will replace the clutch on the affected vehicles, free of charge. The recall began on May 7, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-881.

ENGINE 21V073000 2021-02-12 7 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Freightliner Cascadia vehicles equipped with a Cummins X15 engine. The capscrews that attach the flywheel to the crankshaft may have been improperly torqued, allowing the flywheel to detach.

Consequence

A detached flywheel can cause loss of drive power, increasing the risk of a crash. Additionally, driveline pieces may be ejected from the engine compartment, increasing the risk of injury.

Remedy

DTNA will work with the engine manufacturer Cummins Inc. to notify owners, and Cummins dealers will properly torque the capscrews and inspect for possible damage and, if necessary, repair any damage found, free of charge. The recall is expected to begin April 12, 2021. Owners may contact DTNA customer service at…

SERVICE BRAKES, HYDRAULIC 21V018000 2021-01-20 133 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling 2021 Western Star 4700 and 5700, Freightliner Business Class M2, Cascadia, and Custom Chassis XC Chassis vehicles manufactured with a certain steering arm configuration with air disc brakes identified by the axle assembly supplier. On certain vehicles, one of the…

Consequence

The loose bolt could result in the other caliper bolts to loosen. Insufficiently tightened bolts may not provide adequate clamping force between the brake caliper and brake anchor plate, resulting in reduced brake effectiveness, increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will inspect and repair as necessary, free of charge. The recall began March 17, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-873.

TIRES 21V007000 2021-01-13 4,341 affected
Defect

Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2022 Freightliner Cascadia sleeper trucks equipped with Bridgestone R284, R268, or R283S ECOPIA steer axle tires in conjunction with a specific air dam. The steer tires may experience tread separation or blow-outs while driving.

Consequence

Tread separation and/or blow-outs while driving may result in a loss of vehicle control, increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will replace the steer tires, free of charge. The recall began March 10, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL872.

POWER TRAIN 20V742000 2020-11-30 1,233 affected
Defect

Daimler Trucks North America LLC (DTNA) is recalling certain 2021 Freightliner Cascadia vehicles. The clutch flange may break due to the heat treating and stamping process.

Consequence

If flange failure occurs, loose parts may fall into the clutch pressure plate assembly, resulting in clutch disengagement, thereby increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will replace the clutch on the affected vehicles, free of charge. The recall began February 10, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-869.

SUSPENSION 20V660000 2020-10-27 1,411 affected
Defect

Daimler Trucks North America LLC (DTNA) is recalling certain 2020-2021 Freightliner Cascadia, 2021 Freightliner 108SD, 114SD and Business Class M2 and Western Star 4700, 4900 and 5700 vehicles. The steer axle spindle nut snap-ring locking feature may be incorrectly installed or missing from the left spindle nut at…

Consequence

A missing or improperly installed locking snap ring can result in wheel-end failure and potentially a wheel-off/separation condition, increasing the risk of crash.

Remedy

DTNA will notify owners, and dealers will inspect the hub cap plug, and reinstall or replace of the snap-ring as needed, free of charge. The recall began December 18, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-866.

SERVICE BRAKES, AIR 20V390000 2020-07-02 164,326 affected
Defect

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2021 Freightliner Cascadia tractor trailers. The single brake modulator valve may be affected by chemical corrosion which can slow down the release timing and cause the brakes to pull to the affected side during automatic braking events.

Consequence

Brakes that pull to one side during automatic braking events may cause a sudden change in vehicle direction, increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will replace the front left and right single brake modulator valves will be replaced and spacers added, free of charge. The recall began August 28, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-855.

EXTERIOR LIGHTING 20V214000 2020-04-14 63,175 affected
Defect

Daimler Trucks North America LLC (DTNA) is recalling certain 2006-2020 Freightliner Columbia, 2006-2021 Freightliner Business Class M2, 2007-2020 Freightliner Coronado, 2014-2021 Freightliner 122 SD, 2007 Sterling A 9500, 2006 Freightliner Argosy, 2006-2007 Sterling AT9500, 2008-2021 Freightliner Cascadia, 2006-2008…

Consequence

The vehicle's rearward visibility may be reduced, increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will inspect and reposition the reflective tape to ensure that it is completely visible, as necessary, free of charge. The recall began May 29, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL848.

Complaints by component

TIRES
5
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
3
1crashes7injuries
FORWARD COLLISION AVOIDANCE: WARNINGS
2
1crashes7injuries
SERVICE BRAKES
2
STEERING
2
SUSPENSION
2
ELECTRICAL SYSTEM
1
ENGINE
1
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
1
STRUCTURE:BODY
1
Total complaints24

What owners report

Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.

“While vehicle approached a hazard blocking the roadway the forward collision and automatic braking feature did not engage; apparently due to the vehicle sensors not recognizing the hazard. The object in the roadway was a 53 ft van trailer that was laid on it's side with the translucent roof facing…”

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING · reported 2023-12-14

“While vehicle approached a hazard blocking the roadway the forward collision and automatic braking feature did not engage; apparently due to the vehicle sensors not recognizing the hazard. The object in the roadway was a 53 ft van trailer that was laid on it's side with the translucent roof facing…”

FORWARD COLLISION AVOIDANCE: WARNINGS · reported 2023-12-14

“I'd like to report the automatic braking device on our company semi tractor. I work for a large mega carrier hauling all types of freight, with triples and doubles combination trailers. We operate with freightliners, kenworths, and internationals. The tractor tractor I use is a 2021 freightliner…”

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING · reported 2023-06-28

“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”

SERVICE BRAKES · reported 2023-06-01

“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”

ENGINE · reported 2023-06-01

“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”

UNKNOWN OR OTHER · reported 2023-06-01

“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…”

STEERING · reported 2022-10-10

“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…”

ELECTRICAL SYSTEM · reported 2022-10-10

Defect investigations

Investigation EA25006 Opened 2025-10-23 · open

Automatic Emergency Braking Errors

On May 26, 2023, the Office of Defects Investigation (ODI) opened a Preliminary Evaluation (PE23010) to assess reports of false positive activation of the Automatic Emergency Braking (AEB) system in model year (MY) 2017-2022 Daimler Trucks North America (DTNA) vehicles. The reports alleged that activation of the AEB…

Investigation PE21004 Opened 2021-02-25 · closed 2025-01-14

Engine Electrical Wiring Harness Chafe

The Office of Defects Investigation (ODI) opened this Preliminary Evaluation to investigate reports of engine electrical wiring harness chafe on the subject vehicles.ODI analysis found thousands of unique harness part numbers, spanning the two generations of vehicle chassis assembled at multiple vehicle assembly…

Investigation PE21004 Opened 2021-02-25 · closed 2025-01-14

Engine Electrical Wiring Harness Chafe

The Office of Defects Investigation (ODI) opened this Preliminary Evaluation to investigate reports of engine electrical wiring harness chafe on the subject vehicles.ODI analysis found thousands of unique harness part numbers, spanning the two generations of vehicle chassis assembled at multiple vehicle assembly…

Investigation PE21004 Opened 2021-02-25 · closed 2025-01-14

Engine Electrical Wiring Harness Chafe

The Office of Defects Investigation (ODI) opened this Preliminary Evaluation to investigate reports of engine electrical wiring harness chafe on the subject vehicles.ODI analysis found thousands of unique harness part numbers, spanning the two generations of vehicle chassis assembled at multiple vehicle assembly…

Investigation PE21004 Opened 2021-02-25 · closed 2025-01-14

Engine Electrical Wiring Harness Chafe

The Office of Defects Investigation (ODI) opened this Preliminary Evaluation to investigate reports of engine electrical wiring harness chafe on the subject vehicles.ODI analysis found thousands of unique harness part numbers, spanning the two generations of vehicle chassis assembled at multiple vehicle assembly…

Investigation PE21004 Opened 2021-02-25 · closed 2025-01-14

Engine Electrical Wiring Harness Chafe

The Office of Defects Investigation (ODI) opened this Preliminary Evaluation to investigate reports of engine electrical wiring harness chafe on the subject vehicles.ODI analysis found thousands of unique harness part numbers, spanning the two generations of vehicle chassis assembled at multiple vehicle assembly…

Investigation PE21004 Opened 2021-02-25 · closed 2025-01-14

Engine Electrical Wiring Harness Chafe

The Office of Defects Investigation (ODI) opened this Preliminary Evaluation to investigate reports of engine electrical wiring harness chafe on the subject vehicles.ODI analysis found thousands of unique harness part numbers, spanning the two generations of vehicle chassis assembled at multiple vehicle assembly…

Investigation PE21004 Opened 2021-02-25 · closed 2025-01-14

Engine Electrical Wiring Harness Chafe

The Office of Defects Investigation (ODI) opened this Preliminary Evaluation to investigate reports of engine electrical wiring harness chafe on the subject vehicles.ODI analysis found thousands of unique harness part numbers, spanning the two generations of vehicle chassis assembled at multiple vehicle assembly…

Investigation PE21004 Opened 2021-02-25 · closed 2025-01-14

Engine Electrical Wiring Harness Chafe

The Office of Defects Investigation (ODI) opened this Preliminary Evaluation to investigate reports of engine electrical wiring harness chafe on the subject vehicles.ODI analysis found thousands of unique harness part numbers, spanning the two generations of vehicle chassis assembled at multiple vehicle assembly…

Investigation PE21004 Opened 2021-02-25 · closed 2025-01-14

Engine Electrical Wiring Harness Chafe

The Office of Defects Investigation (ODI) opened this Preliminary Evaluation to investigate reports of engine electrical wiring harness chafe on the subject vehicles.ODI analysis found thousands of unique harness part numbers, spanning the two generations of vehicle chassis assembled at multiple vehicle assembly…

Investigation PE23010 Opened 2023-05-26 · closed 2025-10-23

Automatic Emergency Braking Errors

On May 26, 2023, the Office of Defects Investigation (ODI) opened a Preliminary Evaluation (PE23010) to assess reports of false positive activation of the Automatic Emergency Braking (AEB) system in model year (MY) 2017-2022 Daimler Trucks North America (DTNA) vehicles. The reports alleged that activation of the AEB…

Investigation RQ20001 Opened 2020-08-31 · closed 2025-06-26

SAM Cab Water Intrusion

On August 31, 2020, the Office of Defects Investigation (ODI) opened a recall query, RQ20001, to investigate the allegations of water intrusion into the truck cab signal-detect and activation module (SAM cab).The investigation further evaluated the effectiveness of the original recall remedy, and the installation of…

Investigation RQ20001 Opened 2020-08-31 · closed 2025-06-26

SAM Cab Water Intrusion

On August 31, 2020, the Office of Defects Investigation (ODI) opened a recall query, RQ20001, to investigate the allegations of water intrusion into the truck cab signal-detect and activation module (SAM cab).The investigation further evaluated the effectiveness of the original recall remedy, and the installation of…

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2021 Freightliner Cascadia as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.