NHTSA DATA SNAPSHOT · SEP 21 2026MODEL MATCH ≠ VIN MATCHCHECK A VIN AT NHTSA ↗
RECALLROADTHE CAMPAIGN RECORD

MODEL-YEAR RECALL REPORT

2023 Thomas Built Buses Saf-T-Liner C2 recalls

NHTSA's September 21, 2026 snapshot lists 12 safety recall campaigns for the 2023 Thomas Built Buses Saf-T-Liner C2, spanning 4 component groups. A model match does not confirm that a specific VIN is included.

Official source: NHTSA recall campaign file · Snapshot September 21, 2026

Distinct campaigns12not VIN-specific
Component groups4distinct top-level categories
Latest recordJune 26, 2024report received
VIN resultNot checkeduse official lookup

01 / OFFICIAL CAMPAIGNS

2023 Thomas Built Buses Saf-T-Liner C2 recall campaigns

The 2023 Thomas Built Buses Saf-T-Liner C2 report contains 12 distinct NHTSA campaigns; the most recently received record is campaign 24V478000 dated June 26, 2024.
CAMPAIGN

NHTSA 24V478000

Component
STRUCTURE
Report received
June 26, 2024
Potential units
162campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2023-2025 Thomas Built Buses Saf-T-Liner C2 and 2024-2025 Thomas Built Buses Saf-T-Liner C2 Jouley school buses. The audible emergency warning alarm sounds may not activate when the emergency hatch or window is open. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 217, "Bus Emergency Exits and Window Retention and Release.".

Why it matters: An inaudible alarm that fails to warn the driver of an open emergency exit can increase the risk of injury in a crash.

Remedy

Dealers will update the emergency sound software, free of charge. Owner notification letters were mailed August 22, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1004.

Owner notification: August 22, 2024 · Filing manufacturer: Daimler Trucks North America, LLC

CAMPAIGN

NHTSA 23V670000

Component
STRUCTURE
Report received
October 3, 2023
Potential units
173campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC. (DTNA) is recalling certain 2019-2024 Thomas Built SAF-T-LINER C2 transit buses. The fasteners for the emergency exit door may loosen and detach, which can allow the emergency exit door to open unexpectedly.

Why it matters: An emergency exit door opening unexpectedly can increase the risk of an injury.

Remedy

Dealers will inspect and tighten the fasteners for the emergency exit door, as necessary, free of charge. Owner notification letters were mailed December 1, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL982.

Owner notification: December 1, 2023 · Filing manufacturer: Daimler Trucks North America, LLC

CAMPAIGN

NHTSA 23V669000

Component
STRUCTURE
Report received
October 3, 2023
Potential units
20,668campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC. (DTNA) is recalling certain 2019-2024 Thomas Built SAF-T-LINER C2 and 2020-2024 Thomas Built SAF-T-Liner Jouley school buses. The fasteners for the emergency exit door may loosen and detach, which can allow the emergency exit door to open unexpectedly.

Why it matters: An emergency exit door opening unexpectedly can increase the risk of an injury.

Remedy

Dealers will inspect and tighten the fasteners for the emergency exit door, as necessary, free of charge. Owner notification letters were mailed December 1, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL982.

Owner notification: December 1, 2023 · Filing manufacturer: Daimler Trucks North America, LLC

CAMPAIGN

NHTSA 23V209000

Component
ELECTRICAL SYSTEM
Report received
September 13, 2023
Potential units
380campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2023 Thomas Built Bus SAF-TLINER C2 JOULEY school buses equipped with an automatic low voltage disconnect switch. The automatic low voltage disconnect switch may fail, resulting in a loss of drive power, power steering, or vehicle lighting.

Why it matters: A loss of drive power, power steering, or vehicle lighting can increase the risk of a crash.

Remedy

Dealers will remove the automatic low voltage disconnect switch, free of charge. Owner notification letters were mailed October 18, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL968.

Owner notification: October 18, 2023 · Filing manufacturer: Daimler Trucks North America, LLC

CAMPAIGN

NHTSA 23V333000

Component
STRUCTURE
Report received
May 9, 2023
Potential units
23,590campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2024 Thomas Built SAF-T-LINER C2 and 2021-2023 Thomas Built SAF-T-LINER C2 Jouley school buses. A rear interior joint may have been manufactured incorrectly, resulting in insufficient joint strength. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 221, "School Bus Body Joint Strength.".

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

Remedy

Dealers will add additional fasteners to secure the joints, free of charge. Owner notification letters were mailed December 19, 2023. Owners may contact DTNA customer service at 1-800-574-0712. DTNA's number for this recall is FL973.

Owner notification: December 19, 2023 · Filing manufacturer: Daimler Trucks North America, LLC

CAMPAIGN

NHTSA 23V259000

Component
STEERING
Report received
April 7, 2023
Potential units
48campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Thomas Built Buses SAF-T-LINER SAF-T-LINER C2 Jouley, Thomas Built Buses SAF-T-LINER EFX, Thomas Built Buses SAF-T-Liner HDX, Thomas Built Buses Chassis and 2023-2024 School Bus Chassis school buses. The tie rod may be missing a fastener, allowing the steer arm to detach.

Why it matters: A detached steering arm can result in a sudden loss of steering control, increasing the risk of a crash.

Remedy

DTNA will inspect and repair or replace the tie rod assembly as necessary, free of charge. Owner notification letters were mailed August 11, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL970.

Owner notification: August 11, 2023 · Filing manufacturer: Daimler Trucks North America, LLC

Component
STEERING
Report received
April 4, 2023
Potential units
306campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2022 FCCC Shuttle Chassis, 2022-2023 FCCC RV Chassis, FCCC Van Chassis, Van Chassis Gas, 2023 Freightliner Cascadia, Freightliner Business Class M2, Thomas Built Bus School Bus Chassis, Western Star 4700, Western Star 47X, Western Star 4900, and Western Star 49X commercial buses. The tie rod may be missing a fastener, allowing the steer arm to detach.

Why it matters: A detached steering arm can result in a sudden loss of steering control, increasing the risk of a crash.

Remedy

DTNA will inspect and repair or replace the tie rod assembly as necessary, free of charge. Owner notification letters were mailed August 11, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL970.

Owner notification: August 11, 2023 · Filing manufacturer: Daimler Trucks North America, LLC

CAMPAIGN

NHTSA 22V876000

Component
ELECTRICAL SYSTEM
Report received
November 23, 2022
Potential units
151campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Thomas Built Buses SAF-T-LINER C2 JOULEY school buses. An insufficient connection in the battery pack may cause the battery management system to shut down unexpectedly.

Why it matters: An unexpected shut down can result in a sudden loss of drive power, increasing the risk of a crash.

Remedy

Dealers will inspect and replace the battery pack, as necessary, free of charge. Owner notification letters were mailed July 14, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-960.

Owner notification: July 14, 2023 · Filing manufacturer: Daimler Trucks North America, LLC

CAMPAIGN

NHTSA 22V553000

Component
ENGINE AND ENGINE COOLING
Report received
July 29, 2022
Potential units
71campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Thomas Built Saf-T-Liner HDX and Saf-T-Liner C2 school buses. The engine control module (ECM) may experience an internal short-circuit, which can result in an unexpected engine shut down.

Why it matters: Unexpected engine shut down can increase the risk of a crash. Additionally, a disabled school bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.

Remedy

Cummins will replace the ECM, free of charge. Owner notification letters are expected to be mailed September 26, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-949.

Owner notification: September 27, 2022 · Filing manufacturer: Daimler Trucks North America, LLC

CAMPAIGN

NHTSA 22V441000

Component
STRUCTURE
Report received
June 22, 2022
Potential units
3campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Thomas Built Saf-T-Liner C2 School Buses. The buses may not have a sufficient number of emergency exits. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 217, "Bus Emergency Exits and Window Retention and Release.".

Why it matters: An insufficient number of emergency exits can delay passengers from exiting the vehicle during an emergency, increasing their risk of injury.

Remedy

Dealers will add the emergency exit windows, as necessary, free of charge. All vehicles have been remedied. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL940.

Owner notification: June 22, 2022 · Filing manufacturer: Daimler Trucks North America, LLC

CAMPAIGN

NHTSA 22V439000

Component
ENGINE AND ENGINE COOLING
Report received
June 20, 2022
Potential units
258campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2022 FCCC S2G and 2023 Thomas Built Buses Saf-T-Liner C2 vehicles equipped with 8.8L LPG engines. The engine control module (ECM) may set a fault code that results in an unexpected engine shut down.

Why it matters: Unexpected engine shut down can increase the risk of a crash.

Remedy

Dealers will update the ECM software, free of charge. Owner notification letters were mailed October 28, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL942.

Owner notification: October 28, 2022 · Filing manufacturer: Daimler Trucks North America, LLC

CAMPAIGN

NHTSA 22V438000

Component
ENGINE AND ENGINE COOLING
Report received
June 20, 2022
Potential units
461campaign-wide
Defect and consequence

Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2023 Thomas Built C2 Saf-T-Liner school buses equipped with 8.8L LPG engines. The engine control module (ECM) may set a fault code that results in an unexpected engine shut down.

Why it matters: Unexpected engine shut down can increase the risk of a crash. Additionally, a disabled school bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.

Remedy

Dealers will update the ECM software, free of charge. Owner notification letters were mailed October 28, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL942.

Owner notification: October 28, 2022 · Filing manufacturer: Daimler Trucks North America, LLC

02 / COMPONENT BREADTH

What defects are listed for the 2023 Thomas Built Buses Saf-T-Liner C2?

The most frequent component groups in 2023 Thomas Built Buses Saf-T-Liner C2 campaign records are Structure (5), Engine And Engine Cooling (3), Electrical System (2), Steering (2); these counts describe filed campaigns rather than observed failure rates.
Structure5
Engine And Engine Cooling3
Electrical System2
Steering2