Vehicle safety recalls · NHTSA

2021 Thomas Built Buses SAF-T-Liner C2 recalls (13)

13 NHTSA safety recalls cover the 2021 Thomas Built Buses SAF-T-Liner C2. Every recall repair is free at any Thomas Built Buses dealer.

13recalls

0owner complaints

123+service bulletins

0do-not-drive / park-outside

Is yours affected? Recalls cover ranges of VINs, not every 2021 Thomas Built Buses SAF-T-Liner C2. Check your SAF-T-Liner C2 by VIN and confirm open recalls at NHTSA.gov.

Every 2021 Thomas Built Buses SAF-T-Liner C2 recall

Each campaign as NHTSA published it: what is wrong, what can happen, and the fix. Newest first.

Equipment · NHTSA 24V555000
Jul 24, 2024Equipment:Other:Labels
Problem
Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2019-2022 Saf-T-Liner C2, Saf-T-Liner EFX, Saf-T-Liner HDX, Minotour DRW, 2020-2022 Saf-T-Liner C2 Jouley, and Minotour SRW school buses. The Emergency Exit Label lettering is too small and may be difficult to read. 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."
Risk
Emergency exit labels that are difficult to read can prevent or delay the use of the emergency exit, increasing the risk of injury.
Fix
Dealers will correct the lettering, free of charge. Owner notification letters were mailed September 5, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL918.
Full recall details for 24V555000 →
Electrical System · NHTSA 23V846000
Dec 14, 2023Electrical System:Propulsion System:Inverter
Problem
Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2025 Thomas Built SAF-T-LINER C2 Jouley electric school buses. The high voltage inverter cable may not be secured properly, which can result in a loss of drive power.
Risk
A loss of drive power can increase the risk of a crash.
Fix
Dealers will inspect and tighten the fasteners as necessary, free of charge. Owner notification letters were mailed starting February 1, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL987.
Full recall details for 23V846000 →
Electrical System · NHTSA 23V209000
Sep 13, 2023Electrical System
Problem
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.
Risk
A loss of drive power, power steering, or vehicle lighting can increase the risk of a crash.
Fix
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.
Full recall details for 23V209000 →
Structure · NHTSA 23V333000
Sep 5, 2023Structure:Body
Problem
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."
Risk
A school bus with insufficient joint strength may not adequately protect passengers in the event of a crash, increasing the risk of injury.
Fix
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.
Full recall details for 23V333000 →
Structure · NHTSA 23V669000
Mar 10, 2023Structure:Emergency:Escape/Egress/Exit:Latching/Release System
Problem
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.
Risk
An emergency exit door opening unexpectedly can increase the risk of an injury.
Fix
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.
Full recall details for 23V669000 →
Structure · NHTSA 23V670000
Mar 10, 2023Structure:Emergency:Escape/Egress/Exit:Latching/Release System
Problem
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.
Risk
An emergency exit door opening unexpectedly can increase the risk of an injury.
Fix
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.
Full recall details for 23V670000 →
Engine and Engine Cooling · NHTSA 22V438000
Jun 20, 2022Engine and Engine Cooling:Engine:Engine Control Module (Ecu/Ecm)
Problem
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.
Risk
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.
Fix
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.
Full recall details for 22V438000 →
Steering · NHTSA 21V255000
Dec 4, 2021Steering:Linkages:Tie Rod Assembly
Problem
Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX, and Saf-T-Liner HDX school buses. The steering arm and tie rod bolts may have a defective seam that can fracture.
Risk
A fractured bolt may cause a loss of steering, increasing the risk of a crash.
Fix
DTNA will notify owners, and dealers will replace the tie rod arm bolts and steering arm, 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.
Full recall details for 21V255000 →
Parking Brake · NHTSA 21V547000
Jul 20, 2021Parking Brake:Electrical:Switch
Problem
Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Thomas Built C2 Saf-T-Liner school buses. The parking brake activation switch may fail to set the parking brake.
Risk
Unintended movement of the vehicle increases the risk of a crash.
Fix
DTNA will update the Dash Electronic Control Unit (DECU ) software, free of charge. Owner notification letters were mailed on September 14, 2021. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL-896.
Full recall details for 21V547000 →
Steering · NHTSA 21V370000
May 19, 2021Steering:Linkages:Tie Rod Assembly
Problem
Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Thomas Built Saf-T-Liner HDX School Buses and Saf-T-Liner C2 School Buses. The tie rod clamps may be loose, which could result in loose tie rod ends that could break or detach.
Risk
Detached or broken tie rod ends can result in steering loss, increasing the risk of a crash.
Fix
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.
Full recall details for 21V370000 →
Engine · NHTSA 21V120000
Feb 25, 2021Engine
Problem
Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2021 Thomas Built Buses Saf-T-Liner C2 school buses equipped with Cummins B6.7N engines. The engine control module software may be calibrated incorrectly, causing the engine to not limit engine speed or torque as intended for certain safety-related functions such as vehicle braking, traction and stability control, speed control, or collision avoidance.
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.
Fix
DTNA will work with the engine manufacturer Cummins Inc. to notify owners, and Cummins dealers will recalibrate the engine control module, free of charge. Owner notifications were mailed on March 29, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA number for this recall is FL-879.
Full recall details for 21V120000 →
Other · NHTSA 20V113000
Feb 26, 2020Other:School Bus Stop Arm Assembly
Problem
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2020 Thomas Built Buses Saf-T-Liner C2 school buses configured with a specific Switch Hub Module (part numbers 204803 and 216434) combined with a 500k Bulk Head Module and a certain 3-position momentary switch warning light package. The Switch Hub Module (SHM) that controls the exterior warning lights and stop sign may fail, resulting in deactivation of the red warning lights, stop sign and system indicator.
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 students is complete, increasing the risk of an injury.
Fix
DTNA will notify owners, and dealers will update the SHM, free of charge. The recall began April 15, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-844.
Full recall details for 20V113000 →
Engine and Engine Cooling · NHTSA 19V869000
Jun 12, 2019Engine and Engine Cooling:Cooling System:Fan
Problem
Daimler Trucks North America LLC (DTNA) is recalling certain 2020-2021 Thomas Built Saf-T-Liner C2 school buses equipped with Detroit Diesel DD5 engines. The fan hub bolts may have been may have been insufficiently tightened.
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 uncontrolled traffic situation, thereby increasing the risk of an injury.
Fix
DTNA will notify owners, and dealers will inspect and repair the fan hub bolts, as necessary, free of charge. The recall began January 16, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-841.
Full recall details for 19V869000 →

2021 Thomas Built Buses SAF-T-Liner C2 complaints and service bulletins

Thomas Built Buses has issued at least 123 technical service bulletins (repair instructions to dealers) for this model year. Complaints are unverified owner reports; a recall is the manufacturer’s admission of a safety defect.

Service bulletins by component

Equipment (42)
Electrical System (38)
Engine and Engine Cooling (33)
Engine (15)
Power Train (10)
Equipment Adaptive/Mobility (7)

Read Thomas Built Buses SAF-T-Liner C2 owner complaints and bulletins, every year

Check your SAF-T-Liner C2 by VIN

Not every 2021 Thomas Built Buses SAF-T-Liner C2 is in every recall. Enter your 17-character VIN to see the recalls on record for your exact vehicle, then confirm which are still open at NHTSA.gov or with any Thomas Built Buses dealer.

Run a free VIN recall check →

Other Thomas Built Buses SAF-T-Liner C2 model years

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All Thomas Built Buses SAF-T-Liner C2 recalls, every model year

2021 Thomas Built Buses SAF-T-Liner C2 recalls (13)

13 NHTSA safety recalls cover the 2021 Thomas Built Buses SAF-T-Liner C2. Every recall repair is free at any Thomas Built Buses dealer.

13recalls

0owner complaints

123+service bulletins

0do-not-drive / park-outside

Is yours affected? Recalls cover ranges of VINs, not every 2021 Thomas Built Buses SAF-T-Liner C2. Check your SAF-T-Liner C2 by VIN and confirm open recalls at NHTSA.gov.

Every 2021 Thomas Built Buses SAF-T-Liner C2 recall

Each campaign as NHTSA published it: what is wrong, what can happen, and the fix. Newest first.

Equipment · NHTSA 24V555000

Jul 24, 2024Equipment:Other:Labels

Problem: Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2019-2022 Saf-T-Liner C2, Saf-T-Liner EFX, Saf-T-Liner HDX, Minotour DRW, 2020-2022 Saf-T-Liner C2 Jouley, and Minotour SRW school buses. The Emergency Exit Label lettering is too small and may be difficult to read. 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."
Risk: Emergency exit labels that are difficult to read can prevent or delay the use of the emergency exit, increasing the risk of injury.
Fix: Dealers will correct the lettering, free of charge. Owner notification letters were mailed September 5, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL918.

Full recall details for 24V555000 →

Electrical System · NHTSA 23V846000

Dec 14, 2023Electrical System:Propulsion System:Inverter

Problem: Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2025 Thomas Built SAF-T-LINER C2 Jouley electric school buses. The high voltage inverter cable may not be secured properly, which can result in a loss of drive power.
Risk: A loss of drive power can increase the risk of a crash.
Fix: Dealers will inspect and tighten the fasteners as necessary, free of charge. Owner notification letters were mailed starting February 1, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL987.

Full recall details for 23V846000 →

Electrical System · NHTSA 23V209000

Sep 13, 2023Electrical System

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

Full recall details for 23V209000 →

Structure · NHTSA 23V333000

Sep 5, 2023Structure:Body

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

Full recall details for 23V333000 →

Structure · NHTSA 23V669000

Mar 10, 2023Structure:Emergency:Escape/Egress/Exit:Latching/Release System

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

Full recall details for 23V669000 →

Structure · NHTSA 23V670000

Mar 10, 2023Structure:Emergency:Escape/Egress/Exit:Latching/Release System

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

Full recall details for 23V670000 →

Engine and Engine Cooling · NHTSA 22V438000

Jun 20, 2022Engine and Engine Cooling:Engine:Engine Control Module (Ecu/Ecm)

Problem: 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.
Risk: 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.
Fix: 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.

Full recall details for 22V438000 →

Steering · NHTSA 21V255000

Dec 4, 2021Steering:Linkages:Tie Rod Assembly

Problem: Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX, and Saf-T-Liner HDX school buses. The steering arm and tie rod bolts may have a defective seam that can fracture.
Risk: A fractured bolt may cause a loss of steering, increasing the risk of a crash.
Fix: DTNA will notify owners, and dealers will replace the tie rod arm bolts and steering arm, 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.

Full recall details for 21V255000 →

Parking Brake · NHTSA 21V547000

Jul 20, 2021Parking Brake:Electrical:Switch

Problem: Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Thomas Built C2 Saf-T-Liner school buses. The parking brake activation switch may fail to set the parking brake.
Risk: Unintended movement of the vehicle increases the risk of a crash.
Fix: DTNA will update the Dash Electronic Control Unit (DECU ) software, free of charge. Owner notification letters were mailed on September 14, 2021. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL-896.

Full recall details for 21V547000 →

Steering · NHTSA 21V370000

May 19, 2021Steering:Linkages:Tie Rod Assembly

Problem: Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Thomas Built Saf-T-Liner HDX School Buses and Saf-T-Liner C2 School Buses. The tie rod clamps may be loose, which could result in loose tie rod ends that could break or detach.
Risk: Detached or broken tie rod ends can result in steering loss, increasing the risk of a crash.
Fix: 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.

Full recall details for 21V370000 →

Engine · NHTSA 21V120000

Feb 25, 2021Engine

Problem: Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2021 Thomas Built Buses Saf-T-Liner C2 school buses equipped with Cummins B6.7N engines. The engine control module software may be calibrated incorrectly, causing the engine to not limit engine speed or torque as intended for certain safety-related functions such as vehicle braking, traction and stability control, speed control, or collision avoidance.
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.
Fix: DTNA will work with the engine manufacturer Cummins Inc. to notify owners, and Cummins dealers will recalibrate the engine control module, free of charge. Owner notifications were mailed on March 29, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA number for this recall is FL-879.

Full recall details for 21V120000 →

Other · NHTSA 20V113000

Feb 26, 2020Other:School Bus Stop Arm Assembly

Problem: Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2020 Thomas Built Buses Saf-T-Liner C2 school buses configured with a specific Switch Hub Module (part numbers 204803 and 216434) combined with a 500k Bulk Head Module and a certain 3-position momentary switch warning light package. The Switch Hub Module (SHM) that controls the exterior warning lights and stop sign may fail, resulting in deactivation of the red warning lights, stop sign and system indicator.
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 students is complete, increasing the risk of an injury.
Fix: DTNA will notify owners, and dealers will update the SHM, free of charge. The recall began April 15, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-844.

Full recall details for 20V113000 →

Engine and Engine Cooling · NHTSA 19V869000

Jun 12, 2019Engine and Engine Cooling:Cooling System:Fan

Problem: Daimler Trucks North America LLC (DTNA) is recalling certain 2020-2021 Thomas Built Saf-T-Liner C2 school buses equipped with Detroit Diesel DD5 engines. The fan hub bolts may have been may have been insufficiently tightened.
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 uncontrolled traffic situation, thereby increasing the risk of an injury.
Fix: DTNA will notify owners, and dealers will inspect and repair the fan hub bolts, as necessary, free of charge. The recall began January 16, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-841.

Full recall details for 19V869000 →

2021 Thomas Built Buses SAF-T-Liner C2 complaints and service bulletins

Service bulletins by component

Equipment (42)

Electrical System (38)

Engine and Engine Cooling (33)

Engine (15)

Power Train (10)

Equipment Adaptive/Mobility (7)