2021 Thomas Built Buses Saf-t-liner C2Problems, recalls & complaints

NHTSA has logged 0 owner complaints about the 2021 Thomas Built Buses Saf-t-liner C2. It is covered by 15 safety recalls, and for recall 23V-670 the manufacturer reports only 32% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through July 24, 2024. Updated daily.

Complaints by system

Where the 2021 Thomas Built Buses Saf-t-liner C2 has problems

0 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

15 recalls

2021 Thomas Built Buses Saf-t-liner C2 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

58%repaired · 2026 Q2

Other: labels

Recall 24V-555 · Jul 24, 2024 · 27,494 vehicles · 15,921 repaired

Risk. Emergency exit labels that are difficult to read can prevent or delay the use of the emergency exit, increasing the risk of injury.

Problem, fix and repair progress →

32%repaired · 2025 Q3

Escape/egress/exit: latching/release system

Recall 23V-670 · Oct 3, 2023 · 173 vehicles · 55 repaired

Risk. An emergency exit door opening unexpectedly can increase the risk of an injury.

Problem, fix and repair progress →

67%repaired · 2025 Q3

Escape/egress/exit: latching/release system

Recall 23V-669 · Oct 3, 2023 · 20,668 vehicles · 13,749 repaired

Risk. An emergency exit door opening unexpectedly can increase the risk of an injury.

Problem, fix and repair progress →

94%repaired · 2025 Q3

Electrical system

Recall 23V-209 · Sep 13, 2023 · 380 vehicles · 357 repaired

Risk. A loss of drive power, power steering, or vehicle lighting can increase the risk of a crash.

Problem, fix and repair progress →

Show 11 more recalls
75%repaired · 2025 Q3

Structure: body

Recall 23V-333 · May 9, 2023 · 23,590 vehicles · 17,801 repaired

Risk. A school bus with insufficient joint strength may not adequately protect passengers in the event of a crash, increasing the risk of injury.

Problem, fix and repair progress →

95%repaired · 2024 Q3

Engine: engine control module (ecu/ecm)

Recall 22V-438 · Jun 20, 2022 · 461 vehicles · 438 repaired

Risk. Unexpected engine shut down can increase the risk of a crash.

Problem, fix and repair progress →

52%repaired · 2023 Q3

Linkages: tie rod assembly

Recall 21V-370 · May 19, 2021 · 479 vehicles · 247 repaired

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

Problem, fix and repair progress →

77%repaired · 2023 Q1

Steering: critical fasteners

Recall 21V-255 · Apr 12, 2021 · 1,252 vehicles · 968 repaired

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

Problem, fix and repair progress →

77%repaired · 2023 Q1

Tires: valve

Recall 21V-207 · Mar 24, 2021 · 22 vehicles · 17 repaired

Risk. A damaged tire valve stem may cause a loss of tire pressure, increasing the risk of a crash.

Problem, fix and repair progress →

77%repaired · 2022 Q4

Engine

Recall 21V-120 · Feb 25, 2021 · 159 vehicles · 123 repaired

Risk. If safety-related functions such as vehicle braking, stability, speed, and collision avoidance do not function properly, it can increase the risk of a crash.

Problem, fix and repair progress →

100%repaired · 2021 Q3

Conventional: air

Recall 20V-787 · Dec 16, 2020 · 28 vehicles · 28 repaired

Risk. An unexpected disengagement of the parking brake without continual application of the service brake may allow the vehicle to roll freely, increasing the risk…

Problem, fix and repair progress →

70%repaired · 2022 Q4

Service brakes

Recall 20V-435 · Jul 28, 2020 · 1,713 vehicles · 1,192 repaired

Risk. A brake pedal that rotates out of position increases the risk of a crash.

Problem, fix and repair progress →

81%repaired · 2022 Q1

Exterior lighting

Recall 20V-113 · Feb 26, 2020 · 6,010 vehicles · 4,885 repaired

Risk. If the exterior warning lights and stop sign indicator stop working, other drivers may inadvertently proceed driving before the school bus loading/unloading of…

Problem, fix and repair progress →

97%repaired · 2021 Q4

Cooling system: fan

Recall 19V-869 · Dec 6, 2019 · 145 vehicles · 141 repaired

Risk. The loose bolts can cause the fan to damage surrounding components and/or detach from the engine, disabling the bus and resulting in an evacuation in an…

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Thomas Built Buses.

Best & worst years

2021 vs. every other Saf-t-liner C2 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Saf-t-liner C2 median. How we score

'95'96'97'98'99'00'01'02'03'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25'26'27
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated

Own a 2021 Saf-t-liner C2?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.