snow and ice buildup on windshield and wiper blades reducing visibility. defrost was set on high, also used overhead fans to direct warm air onto windshield and still does not melt off until stopped.
The worst 2020 Thomas Built Buses Saf-T-Liner C2 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
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Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Visibility1
Recalls 16
Equipment: other: labels
- What is wrong
- 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.
- Remedy
- 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.
Recall number 24V555000 · Recall details
Structure: emergency: escape/egress/exit: latching/release system
- What is wrong
- 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.
- 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.
Recall number 23V669000 · Recall details
Structure: emergency: escape/egress/exit: latching/release system
- What is wrong
- 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.
- 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.
Recall number 23V670000 · Recall details
Engine and engine cooling: engine: engine control module (ecu/ECM)
- What is wrong
- 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.
- 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.
Recall number 22V438000 · Recall details
Engine and engine cooling: engine: engine control module (ecu/ECM): software
- What is wrong
- 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.
- Remedy
- 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.
Recall number 21V120000 · Recall details
Service brakes, air: disc: caliper
- What is wrong
- Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2020 Thomas Built Saf-T-Liner HDX, EFX, and C2 school buses equipped with air disc brakes. The brake caliper mounting bolts may have been insufficiently tightened.
- Risk
- Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.
- Remedy
- DTNA will notify owners, and dealers will inspect and repair the vehicles, free of charge. The recall began May 2, 2020. Owners may contact DTNA customer service at 1‑800‑547‑0712. DTNA's number for this recall is FL-845.
Recall number 20V126000 · Recall details
Other: school bus stop arm assembly
- What is wrong
- 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.
- Remedy
- 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.
Recall number 20V113000 · Recall details
Engine and engine cooling: cooling system: fan
- What is wrong
- 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.
- Remedy
- 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.
Recall number 19V869000 · Recall details
Seats
- What is wrong
- Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2020 Thomas Built Saf-T-Liner EFX, Minotour, Saf-T-Liner C2, and Saf-T-Liner HDX school buses equipped with SynTec S3B or S3C seats. The seats may have been manufactured with styrene blocks that may not provide sufficient impact absorption in certain specific areas around the steel seat frame of the back support. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 222, "School Bus Passenger Seating and Crash Protection."
- Risk
- The lack of impact absorption increases the risk of injury in the event of a crash.
- Remedy
- DTNA will notify owners, and dealers will install additional impact material between the re-bond back and the vinyl back cover to increase the amount of absorption, free of charge. DTNA issued owners an interim notification on November 29, 2019. The recall began June 22, 2020. Owners may contact DTNA customer service at 1‑800‑547‑0712. DTNA's number for this recall is FL-832.
Recall number 19V712000 · Recall details
Power train: automatic transmission: torque converter
- What is wrong
- Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2020 Saf-T-Liner C2 school buses equipped with Detroit DD5 engines and Allison transmissions. The Flex-Plate/Torque Converter fasteners may have been insufficiently tightened.
- Risk
- The loose bolts may lead a disabled school bus and result in a school bus evacuation procedure in an uncontrolled traffic situation, increasing the risk of an injury.
- Remedy
- DTNA will notify owners, and dealers will inspect and tighten the fasteners, as necessary, free of charge. The recall began November 19, 2019. Owners may contact DTNA customer service at 1‑800‑547‑0712. DTNA's number for this recall is FL-828.
Recall number 19V686000 · Recall details
Structure: emergency: escape/egress/exit
- What is wrong
- Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2020 Thomas Built Minotour, Saf-T Liner C2, Saf-T Liner EFX, and Saf-T Liner HDX school buses equipped with Safe Fleet Prolo Roof Escape hatches. Due to a manufacturing issue, the roof hatch external handle may unexpectedly break under reasonable use.
- Risk
- If the roof hatch external handle breaks, in the event of an emergency, the hatch cannot be easily opened from outside the vehicle, increasing the risk of injury.
- Remedy
- DTNA will notify owners, and dealers will install a new handle, free of charge. Owners were issued an interim notification on September 13, 2019. The recall began November 15, 2019. Owners may contact DTNA customer service at 1‑800‑547‑0712. DTNA's number for this recall is FL-819.
Recall number 19V550000 · Recall details
Structure: emergency: escape/egress/exit
- What is wrong
- Daimler Trucks North America LLC (DTNA) is recalling certain 2020 Thomas Built Minotour, 2019-2020 Saf-T Liner C2, and 2019 Saf-T Liner HDX buses equipped with Safe Fleet Roof Escape hatches. Due to a manufacturing issue, the roof hatch external handle may unexpectedly break under reasonable use.
- Risk
- If the roof hatch external handle breaks, in the event of an emergency, the hatch cannot be easily opened from outside the vehicle, increasing the risk of injury.
- Remedy
- DTNA will notify owners, and dealers will install a new handle, free of charge. DTNA issued owners an interim notification on September 11, 2019. Owners may contact DTNA customer service at 1‑800‑547‑0712. DTNA's number for this recall is FL-819.
Recall number 19V549000 · Recall details
Steering: hydraulic power assist: hose, piping, and connections
- What is wrong
- Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2020 Thomas Built C2 Saf-T-Liner school buses built on an FCCC chassis. The clamp for the steering gear return hose may have been improperly installed, allowing the hose to separate from the steering gear.
- Risk
- If the hose separates from the steering gear, there may be a loss of steering assist which could result in a potentially disabled school bus. If the school bus is occupied when the steering assist is lost, the occupants would need to exit the vehicle and be transferred to another vehicle, increasing the risk of injury.
- Remedy
- DTNA will notify owners, and dealers will inspect and install power steering hose clamps as needed, free of charge. The recall began May 10, 2019. Owners may contact DTNA customer service at 1‑800‑547‑0712. DTNA's number for this recall is FL-813.
Recall number 19V234000 · Recall details
Service brakes, air: antilock: control unit/module
- What is wrong
- Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2020 Thomas Built Saf-T-Liner C2 school buses. The affected school buses may have been built without Anti-Lock Braking System (ABS) modules. As such, these vehicles fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
- Risk
- The operator may not be aware of the absence of ABS function. Unknowingly operating the vehicle without ABS function may increase risk of a crash.
- Remedy
- DTNA will notify owners, and dealers will inspect the buses and install any missing ABS modules, free of charge. The recall began June 26, 2019. Owners may contact DTNA customer service at 1‑800‑547‑0712. The DTNA number for this recall is FL-809.
Recall number 19V138000 · Recall details
Electrical system: wiring: fuses and circuit breakers
- What is wrong
- Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2020 Thomas Built Saf-T-Liner C2 buses equipped with an optional auxiliary outlet powered by the ignition and accessory power circuits. An electrical overload on the auxiliary circuit may cause the ignition fuse to open and the engine to shut down.
- Risk
- An engine shutdown without the ability to restart increases the risk of a crash.
- Remedy
- DTNA has notified owners, and dealers will modify the wiring to prevent the power port from affecting the ignition circuit, free of charge. DTNA mailed owners an interim letter on February 1, 2019 to notify them of the issue. The recall began on August 27, 2019. Owners may contact Daimler Trucks North America customer service at 1‑800‑547‑0712. DTNA's number for this recall is FL-804.
Recall number 18V929000 · Recall details
Electrical system: wiring: fuses and circuit breakers
- What is wrong
- Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2020 Thomas Built Saf-T-Liner C2 school buses equipped with an optional auxiliary outlet powered by the ignition and accessory power circuits. An electrical overload on the auxiliary circuit may cause the ignition fuse to open and the engine to shut down.
- Risk
- An engine shutdown without the ability to restart increases the risk of a crash.
- Remedy
- DTNA has notified owners, and dealers will modify the wiring to prevent the power port from affecting the ignition circuit, free of charge. DTNA mailed an interim letter on February 1, 2019. The recall began August 27, 2019. Owners may contact Daimler Trucks North America customer service at 1‑800‑547‑0712. DTNA's number for this recall is FL-804.
Recall number 18V930000 · Recall details
See all 16 recalls for the 2020 Thomas Built Buses Saf-T-Liner C2
Technical service bulletins for the 2020 Thomas Built Buses Saf-T-Liner C2 162
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair...
- Service Solution for A22-82459-000 Wiper Motor Wiring Connector Pinned Wrong (305)
- Fleet Communications for Heater Core Plugging
- Revised Emission Recall for FCCC Clean Idle Label
- Producat Awareness Bulletin for Saf-T-Liner C2 Headlamp Updates
- My Communications for UFI 0-Ring Announcement
- Parts Bulletin for Tie Rod Assembly Part Breakdown
- Service Solution for DEF Header Service Replacement Additional Parts (293)
- Service Solution for Windshield Stress Crack Info only
- Service Solution for C2 Low tone in the ICU
See all 162 bulletins for the 2020 Thomas Built Buses Saf-T-Liner C2
What 2020 Thomas Built Buses Saf-T-Liner C2 owners say
Most recent owner complaints, unedited.
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Questions about the 2020 Thomas Built Buses Saf-T-Liner C2
Is the 2020 Thomas Built Buses Saf-T-Liner C2 reliable?
Owners have filed 1 complaint about the 2020 Thomas Built Buses Saf-T-Liner C2, close to a typical Saf-T-Liner C2 model year.
What is the most common problem with the 2020 Thomas Built Buses Saf-T-Liner C2?
Windows, wipers and visibility, with 1 complaint.
How many recalls does the 2020 Thomas Built Buses Saf-T-Liner C2 have?
16 recalls, covering equipment, structure and engine and engine cooling.
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