2018 THOMAS BUILT BUSES SAF-T-LINER HDX
26 recalls — 0 complaints — 192 TSBs
22V762000 Oct 12, 2022
STRUCTURE:BODY:ROOF AND PILLARS
Defect Description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2011-2023 Thomas Built EFX and HDX school buses. The exterior roof panel was manufactured with insufficient joint strength. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 221... Read more
Consequence
A school bus exterior roof panel with insufficient joint strength may separate during a crash, increasing the risk of injury.
Remedy
Dealers will add additional mechanical fasteners to secure the joints, 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 FL957.
22V634000 Aug 19, 2022
SEATS:BARRIERS
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2011-2021 Thomas Built Saf-T Liner HDX school buses. The forward seat barriers may not provide sufficient protection to passengers. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FM... Read more
Consequence
Occupants may collide with the front seat barriers with more force than intended during a crash, increasing the risk of injury.
Remedy
Dealers will install a spacer between the seat rail and the seat barrier, free of charge. Owner notification letters were mailed August 25, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL843. This recall replaces NHTSA recall 19V899.
22V510000 Jul 19, 2022
SEATS
Defect Description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2014-23 Thomas Built Buses HDX and 2014-22 EFX school buses equipped with 39-inch S3C seat frames and 3-point flex seatbelts. The passenger seat frames may crack and rotate from fatigue.
Consequence
Cracked passenger seat frames may not adequately secure passengers in the event of a crash, increasing the risk of injury.
Remedy
Dealers will secure the seat frames with brackets, free of charge. Owner notification letters were mail December 4, 2023. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL946.
21V660000 Aug 25, 2021
STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS
Defect Description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2016-2021 Thomas Built Buses Saf-T-Liner HDX transit buses equipped with an ISL or L9 engine. The power steering hose may be routed with inadequate clearance between the hose and the power cables, potentially damaging the power steering ... Read more
Consequence
A damaged power steering hose can leak, and increase the risk of a fire.
Remedy
DTNA will inspect the power steering hose routing and modify it as necessary, free of charge. Owner notification letters are expected to be mailed on October 17, 2021. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL898.
21V659000 Aug 25, 2021
STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS
Defect Description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2016-2021 Thomas Built Buses Saf-T-Liner HDX school buses equipped with an ISL or L9 engine. The power steering hose may be routed with inadequate clearance between the hose and the power cables.
Consequence
A worn power steering hose increases the risk of a fire.
Remedy
DTNA will inspect the power steering hose routing and modify it as necessary, free of charge. Owner notification letters are expected to be mailed on October 17, 2021. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL898.
21V462000 Jun 17, 2021
SEATS
Defect Description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2022 Thomas Built Saf-T-Liner HDX School Buses. These school buses may have been manufactured with an incorrect passenger seat configuration that does not provide the proper amount of seat back protection. As such, these school bus... Read more
Consequence
In the event of a crash, the seats may not adequately protect the occupants, increasing the risk of injury.
Remedy
Dealers will replace the rear passenger seats, free of charge. No owner notification will be distributed, all units were repaired on August 12, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-892.
21V327000 May 7, 2021
FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
Defect Description
Daimler Trucks North America, LLC (DNTA) is recalling certain 2018-2021 Thomas Built Buses Saf-T-Liner HDX School Buses. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Consequence
A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy
Dealers will replace the fuel rail and fuel lines, free of charge. Interim owner notification letters were mailed on June 21, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-886.
20V252000 May 5, 2020
EQUIPMENT:OTHER:LABELS
Defect Description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2010-2020 Thomas Built Buses Saf-T-Liner HDX school buses. The lettering on the instruction label for the rear emergency exit window may be too small. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle... Read more
Consequence
Small lettering may be difficult for occupants to read, delaying the reaction time to open the exit, increasing the risk of injury.
Remedy
DTNA will notify owners and mail a new label to attach to the exit window by first class mail, free of charge. DTNA issued owners an interim notification on June 17, 2020. The recall began September 10, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this reca... Read more
19V831000 Nov 19, 2019
POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2020 Thomas Built Saf-T-Liner HDX school buses equipped with Detroit DD8 Engines and Allison Transmissions. The Flex-Plate/Torque Converter fasteners may have been insufficiently tightened.
Consequence
The loose bolts can become lodged in the starter, disabling the bus, resulting in an evacuation 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. DTNA issued owners an interim notification on December 13, 2019. The recall began August 7, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall i... Read more
19V712000 Oct 4, 2019
SEATS
Defect Description
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 abs... Read more
Consequence
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 ... Read more
19V444000 Jun 11, 2019
SERVICE BRAKES, AIR:DISC
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2010-2020 Thomas Built Buses Saf-T-Liner C2, 2016-2019 HDX, and 2017-2019 EFX school buses equipped with Bendix Air Disc Brakes. The driver side rear brakes may drag.
Consequence
The dragging brakes may lead to high temperatures at the wheel end, increasing the risk of smoke and fire, possibly resulting in the bus having to be evacuated, which can increase the risk of injury.
Remedy
DTNA will notify owners, and dealers will install a new caliper with an updated clearance adjustment mechanism, free of charge. The recall began August 9, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-818.
18V914000 Dec 19, 2018
STEERING
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2019 Thomas Built Saf-T-Liner HDX, C2, and EFX School Buses, equipped with Detroit Axle axles. The affected vehicles may have loose steering tie rod arm bolts.
Consequence
Loose tie rod arm bolts may lead to separation of the tie rod arm, affecting vehicle steering, and increasing the risk of a crash.
Remedy
DTNA has notified owners, and dealers will inspect the steering arm and tie rod arm bolts for to make sure that they are properly tightened, installing new fasteners as necessary, free of charge. The recall began February 9, 2019. Owners may contact Daimler Trucks at 1-800-547-0712. DTNA's numbe... Read more
18V702000 Oct 5, 2018
SERVICE BRAKES, AIR:DISC:CALIPER
Defect Description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2019 Thomas Built school buses Saf-T-Liner C2, Saf-T-Liner HDX and Saf-T-Liner EFX school buses. The brake caliper mounting bolts may have been insufficiently tightened.
Consequence
Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.
Remedy
DTNA has notified owners, and dealers will check and tighten the brake caliper mounting bolts, free of charge. The recall began December 3, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-794.
18V560000 Aug 23, 2018
EQUIPMENT ADAPTIVE/MOBILITY
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2015-2019 Thomas Built Buses Saf-T-Liner C2 and Saf-T-Liner HDX school buses, equipped with certain S-Series and K-Series Titanium Wheelchair Lifts, models K200, K201, K550, K551, S200, S2201, S550 and S551. The wheelchair lift positionin... Read more
Consequence
If the wheelchair lift platform stops above the vehicle floor, the wheelchair user can tip inwards toward the vehicle when exiting the lift, increasing their risk of injury.
Remedy
Dealers will replace the injection molded cam with an aluminum machined cam, free of charge. The recall began December 6, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL785.
18V352000 May 29, 2018
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX and Saf-T-Liner HDX school buses equipped with air disc brakes. The brake caliper mounting bolts on these vehicles may be insufficiently tightened, allowing the bolts to loosen.
Consequence
If the brake caliper mounting bolts come loose, braking performance may be reduced, increasing the risk of a crash.
Remedy
DTNA will notify owners, and dealers will inspect the brake caliper mounting bolts and tighten them as necessary, free of charge. DTNA issued owners an interim notification on July 25, 2018. The recall began September 4, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's num... Read more
18V254000 Apr 19, 2018
SEATS
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX, Saf-T-Liner HDX, and Minotour transit buses, equipped with certain S3B Restraint Wall Mounted Seats. The wall mounting bracket may crack, causing the seat to not remain secured... Read more
Consequence
In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.
Remedy
DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. Daimler issued an interim notification to owners on June 15, 20 18. The recall began January 3, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is... Read more
18V253000 Apr 19, 2018
SEATS
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour school buses equipped with S3B Restraint Wall Mounted Seats. The wall mounting bracket may crack, causing the seat to not remain secured in place ... Read more
Consequence
In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.
Remedy
DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. Daimler issued owners an interim notification on June 12, 2018. The recall began January 3, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL... Read more
18V193000 Mar 26, 2018
SEATS
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour transit buses, equipped with certain Syntec-brand S3B, Non-Restraint, Wall Mounted Seats. The wall mounting bracket may crack, which may cause the... Read more
Consequence
In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.
Remedy
DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. DTNA issued an interim notification to owners on May 10, 2018. The recall began May 10, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-763.
18V192000 Mar 26, 2018
SEATS
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour school buses, equipped with certain Syntec-brand S3B, Non-Restraint, Wall Mounted Seats. The wall mounting bracket may crack, which may cause the ... Read more
Consequence
In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.
Remedy
DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. DTNA issued an interim notification to owners on May 9, 2018. The recall began May 10, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-763.
17V587000 Sep 21, 2017
SEATS
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner HDX and Saf-T-Liner C2 school buses. A reinforcement bracket may be missing from the seats that have 3-point seat belts.
Consequence
Without the reinforcement bracket, the seat may not be adequately secured, increasing the risk of injury in a crash.
Remedy
DTNA will notify owners, and dealers will inspect the seats, installing any missing reinforcement brackets, free of charge. An interim notice was mailed to owners on November 7, 2017. The recall began on March 15, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number fo... Read more
17V589000 Sep 21, 2017
SEATS
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner HDX and Saf-T-Liner C2 transit buses. A reinforcement bracket may be missing from the seats that have 3-point seat belts.
Consequence
Without the reinforcement bracket, the seat may not remain adequately secured, increasing the risk of injury in a crash.
Remedy
DTNA will notify owners, and dealers will inspect the seats, installing any missing reinforcement brackets, as needed, free of charge. An interim notice was sent to owners on November 7, 2017. The recall began on March 14, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's n... Read more
17V313000 May 11, 2017
SEATS
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner EFX and Saf-T-Liner HDX school buses. The occupant seats may have been installed without under-rail washers, reducing their anchorage strength.
Consequence
Without under-rail washers, in the event of a crash, the seats may come loose, increasing the risk of injury.
Remedy
DTNA will notify owners, and dealers will inspect the seats and replace the mounting hardware, as necessary, free of charge. The recall began on June 28, 2017. Owners may contact DTNA Customer Service 1-800-547-0712. DTNA's number for the recall is FL-737.
17V314000 May 11, 2017
SEAT BELTS
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2013-2018 Thomas Built Saf-T-Liner HDX transit buses. The occupant seat lap belts may have been anchored to the seat instead of the bus structure.
Consequence
A seat lap belt anchored to the seat instead of the bus structure may not properly restrain the seat occupant in the event of a crash, increasing the risk of injury.
Remedy
DTNA will notify owners, and dealers will inspect the seats and modify the seat belt anchorage if necessary, free of charge. An interim notification was sent to owners on June 15, 2017. The recall began on February 6, 2018. Owners may contact DTNA Customer Service 1-800-547-0712. DTNA's number f... Read more
17V317000 May 11, 2017
SEAT BELTS
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2013-2018 Thomas Built Saf-T-Liner HDX school buses. The occupant seat lap belts may have been anchored to the seat instead of the bus structure.
Consequence
A seat lap belt anchored to the seat instead of the bus structure may not properly restrain the seat occupant in the event of a crash, increasing the risk of injury.
Remedy
DTNA will notify owners, and dealers will inspect the seats and modify the anchorage if necessary, free of charge. An interim notice was mailed to owners on June 15, 2017. A second notice will be mailed when the remedy becomes available. The recall is expected to begin on July 9, 2017. Owners ma... Read more
17V125000 Feb 27, 2017
STEERING:LINKAGES
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2018 Thomas Built Buses Saf-T-Liner HDX school buses. The upper pinch bolt that secures the mechanical connection between the steering wheel and the front wheels may not have been properly tightened.
Consequence
The loose pinch bolt may result in a loss of steering and vehicle control, increasing the risk of a crash.
Remedy
DTNA will notify owners, and dealers will inspect the steering shaft pinch bolt, tightening it as necessary, free of charge. The recall began on February 24, 2017. Owners may contact DTNA Customer Service 1-800-547-0712. DTNA's number for the recall is FL-733.
17V126000 Feb 27, 2017
STEERING:LINKAGES
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2018 Thomas Built Buses Saf-T-Liner HDX transit buses. The upper pinch bolt that secures the mechanical connection between the steering wheel and the front wheels may not have been properly tightened.
Consequence
The loose pinch bolt may result in a loss of steering and vehicle control, increasing the risk of a crash.
Remedy
DTNA will notify owners, and dealers will inspect the steering shaft pinch bolt, tightening it as necessary, free of charge. The recall began on February 24, 2017. Owners may contact DTNA Customer Service 1-800-547-0712. DTNA's number for the recall is FL-733.
No complaints found for this vehicle.
Technical Service Bulletins — 2018 THOMAS BUILT BUSES SAF-T-LINER HDX
192 manufacturer communications from 149 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
|---|---|
| 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL | 51 |
| 350000 EQUIPMENT | 38 |
| 060000 ENGINE AND ENGINE COOLING | 17 |
| 220000 SEATS | 11 |
| 110000 ELECTRICAL SYSTEM | 11 |
| 060000 ENGINE (PWS) | 8 |
| 010000 STEERING | 6 |
| 070000 FUEL SYSTEM, GASOLINE | 6 |
FL974
Feb 20, 2024
060000 ENGINE AND ENGINE COOLING
Revised Emissions Recall: Cummins DEF Sensor Shortage. REVISION: Some vehicles formerly in Group F have been moved to Group G and have been assigned a new part number as specified in Table 1. An SRT for 'Calibration Code Only: Update or Con
ICI24-006
Feb 20, 2024
060000 ENGINE AND ENGINE COOLING
Important Campaign Information letter for FL974 - Revised Bulletin & Population
FL974
Jan 19, 2024
060000 ENGINE AND ENGINE COOLING
Emissions Recall: Cummins DEF Sensor Shortage
WP21-007
Mar 22, 2021
110000 ELECTRICAL SYSTEM
Warranty Policy Letter for battery tags. DTNA determined that since adopting the AutoMeter BCT-460DTNA Powernet Assessment Tool (AutoMeter) as the required powernet system tester, not all battery tags have to be retained support Warranty-re
WP21-007
Mar 22, 2021
350000 EQUIPMENT
Warranty Policy Letter for battery tags. DTNA determined that since adopting the AutoMeter BCT-460DTNA Powernet Assessment Tool (AutoMeter) as the required powernet system tester, not all battery tags have to be retained support Warranty-re
ICI21-004
Feb 15, 2021
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Important Campaign Information Letter for Dealer Travel for Campaign Performance a?? TBB.
WI20-014R
Feb 8, 2021
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Revised Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance. In the spirit of continuous improvement, DTNA reviewed sublet-related policies and procedures. The goal was to improve language c
WP20-018R
Dec 8, 2020
010000 STEERING
Revised Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. Revisions are in blue. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been
WP20-018R
Dec 8, 2020
100000 POWER TRAIN
Revised Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. Revisions are in blue. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been
WP20-018
Dec 7, 2020
010000 STEERING
Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured A
WP20-018
Dec 7, 2020
100000 POWER TRAIN
Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured A
WP20-018
Dec 7, 2020
350000 EQUIPMENT
Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured A
WP20-018
Dec 7, 2020
356000 EQUIPMENT ADAPTIVE/MOBILITY
Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured A
PAB036-2020
Oct 21, 2020
350000 EQUIPMENT
Thomas Built Buses Product Awareness Bulletin on Lettering Changes - Notification
TechTalk4725
Sep 22, 2020
010000 STEERING
Tech Talk discussion about power steering fluid.
TechTalk4725
Sep 22, 2020
350000 EQUIPMENT
Tech Talk discussion about power steering fluid.
WI20-012
Aug 3, 2020
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Warranty Information Letter informing that to ensure that DTNA policies and service network practices align, the Warranty Department will be revising the Warranty Manual.
WI20-014
Aug 3, 2020
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance. In the spirit of continuous improvement, DTNA reviewed sublet-related policies and procedures. The goal was to improve language clarity a
ICI20-022
Aug 3, 2020
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Important Campaign Information letter announcing Dealer Travel for Campaign Performance. This letter is to announce a reimbursement available to dealers for travel to a customer??A???A???A???A???A???A???A???A???A???A???A???A?s location to p
PAB028-2020
Jul 22, 2020
350000 EQUIPMENT
Thomas Built Buses Product Awareness Bulletin on Heater Hose Changes
PAB028-2020
Jul 22, 2020
356000 EQUIPMENT ADAPTIVE/MOBILITY
Thomas Built Buses Product Awareness Bulletin on Heater Hose Changes
WI20-011
Jul 20, 2020
060000 ENGINE AND ENGINE COOLING
Warranty Information Letter for Detroit and TBB Parchment Format Update. In the continuing effort to standardize across brands, DTNA is pleased to announce that Detroit Diesel Corporation (Detroit) and Thomas Built Bus (TBB) parchments will
WI20-011
Jul 20, 2020
350000 EQUIPMENT
Warranty Information Letter for Detroit and TBB Parchment Format Update. In the continuing effort to standardize across brands, DTNA is pleased to announce that Detroit Diesel Corporation (Detroit) and Thomas Built Bus (TBB) parchments will
PAB026-2020
Jul 17, 2020
220000 SEATS
Thomas Built Buses Product Awareness Bulletin on National Drivera??s Seat Update
SB60-171
Jul 10, 2020
162300 STRUCTURE:BODY:DOOR
Service Bulletin for Guidelines for Cleaning and Disinfecting Cab Surfaces. The following guidelines are for cleaning and disinfecting commonly touched surfaces on the inside and outside of a vehicle. For best results, follow cleaning and d
PAB022-2020
May 26, 2020
130000 VISIBILITY
Thomas Built Buses Product Awareness Bulletin on Drivera??s Window Update - HDX
WI20-008
Apr 27, 2020
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Warranty Information Letter for Warranty Training Online. DTNA is pleased to announce the release of new Warranty-related training videos. The videos provide Warranty content in short instructional videos that are available on demand throug
WP20-006
Apr 23, 2020
350000 EQUIPMENT
Warranty Policy Letter for Handling for Authorized Service Location Part Transfers. To promote 24-hour throughput and maximum efficiency, DTNA is adjusting multiple handling policies: Launching a new handling allowance for parts ordered fr
WP20-007
Apr 23, 2020
350000 EQUIPMENT
Warranty Policy Letter for Chassis Progressive Damage Policy Change. Effective for repair orders opened on or after April 27, 2020, if an Authorized Service Location installed a part which later has a warrantable failure, progressive damage
WP20-005
Apr 22, 2020
350000 EQUIPMENT
Warranty Policy Letter for Handling Change: Over the Counter Aftermarket Parts Replacement Program. DTNA is pleased to announce that handling will increase to 33% for Misc. Replacement Part type claims filed under the Over the Counter (OTC)
PAB014-2020
Mar 26, 2020
350000 EQUIPMENT
Thomas Built Buses Product Awareness Bulletin on Defender Composite Stop Arm Changes
PAB012-2020
Mar 23, 2020
130000 VISIBILITY
Thomas Built Buses Product Awareness Bulletin on PV360 NS Camera a?? Type D
WP20-002
Mar 17, 2020
160000 STRUCTURE
Warranty Policy Letter explaining the Warranty Department is aligning with the frame rail repair policy, published in DTNA Workshop Manuals, which states that there are very few cases in which welding a heat-treated frame rail is allowed. T
WP20-002
Mar 17, 2020
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Warranty Policy Letter explaining the Warranty Department is aligning with the frame rail repair policy, published in DTNA Workshop Manuals, which states that there are very few cases in which welding a heat-treated frame rail is allowed. T
03.2020 Campaign
Mar 17, 2020
350000 EQUIPMENT
Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and warranty managers.
PAB010-2020
Mar 17, 2020
060000 ENGINE AND ENGINE COOLING
Thomas Built Buses Product Awareness Bulletin on Buy America Cummins B6.7 Engine
PAB009-2020
Mar 5, 2020
350000 EQUIPMENT
Thomas Built Buses Product Awareness Bulletin on Roof Top Lettering (Addendum)
02.2020 Campaign
Mar 4, 2020
350000 EQUIPMENT
Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and warranty managers
PAB007-2020
Feb 25, 2020
110000 ELECTRICAL SYSTEM
Thomas Built Buses Product Awareness Bulletin on 12V Outlets Update
SB54-290
Feb 14, 2020
110000 ELECTRICAL SYSTEM
Service Bulletin for Guidelines for Repairing or Replacing an Electrical Harness. Use the guidelines in this bulletin to determine if a damaged electrical harness should be repaired or replaced.
SS1034619
Jan 27, 2020
060000 ENGINE AND ENGINE COOLING
Service Solution for TBB 05G and 05K AC belt alignment improvement.This Service Solution is provided to assist Dealers/Customers in resolving the issue of AC Belt not properly aligned or excessive belt wear.
PAB002-2020
Jan 22, 2020
110000 ELECTRICAL SYSTEM
Thomas Built Buses Product Awareness Bulletin on Power Outlet
PAB002-2020
Jan 22, 2020
350000 EQUIPMENT
Thomas Built Buses Product Awareness Bulletin on Power Outlet
WI19-022
Jan 2, 2020
060000 ENGINE AND ENGINE COOLING
Warranty Information Letter announcing Detroit NOx Sensor Circuit Improvements for GHG17 After Treatment Systems
WI19-022
Jan 2, 2020
110000 ELECTRICAL SYSTEM
Warranty Information Letter announcing Detroit NOx Sensor Circuit Improvements for GHG17 After Treatment Systems
WI19-022
Jan 2, 2020
350000 EQUIPMENT
Warranty Information Letter announcing Detroit NOx Sensor Circuit Improvements for GHG17 After Treatment Systems
PAB048-2019
Dec 6, 2019
350000 EQUIPMENT
Thomas Built Buses Product Awareness Bulletin on Data Book Update
PAB043-2019
Dec 2, 2019
350000 EQUIPMENT
Thomas Built Buses Product Awareness Bulletin on Lettering Update
PAB042-2019
Nov 15, 2019
100000 POWER TRAIN
Thomas Built Buses Product Awareness Bulletin on Allison 7 Year Warranty
PAB038-2019
Nov 1, 2019
220000 SEATS
Thomas Built Buses Product Awareness Bulletin on Freedman Seating Update
SS1034541
Oct 29, 2019
060000 ENGINE AND ENGINE COOLING
Service Solution for DD8 engine providing insufficient cab heat on Saf-T-Liner HDX vehicles
SS1034541
Oct 29, 2019
350000 EQUIPMENT
Service Solution for DD8 engine providing insufficient cab heat on Saf-T-Liner HDX vehicles
DOC-1034471
Sep 30, 2019
110000 ELECTRICAL SYSTEM
Service Solution is provided to assist Dealers/Customers in resolving the issue when the brakes are applied, the rear side led marker lights illuminate.
DOC-1034471
Sep 30, 2019
120000 EXTERIOR LIGHTING
Service Solution is provided to assist Dealers/Customers in resolving the issue when the brakes are applied, the rear side led marker lights illuminate.
PAB035-2019
Sep 25, 2019
350000 EQUIPMENT
Thomas Built Buses Product Awareness Bulletin on Slide a?? n Click Update
19CSA-12 BCT
Sep 9, 2019
110000 ELECTRICAL SYSTEM
PowerNet Assessment Tool Repair Procedure
19CSA-13
Sep 5, 2019
060000 ENGINE AND ENGINE COOLING
Service Systems Development provided document to service locations on price list reflects current charges to engine horsepower ratings for HDEP and MDEG engine platforms.
PAB033-2019
Sep 5, 2019
120000 EXTERIOR LIGHTING
Thomas Built Buses Product Awareness Bulletin on Lamp Monitors
19-011WP
Sep 4, 2019
350000 EQUIPMENT
Warranty Policy Letter to communicate Detroit Return Changes
19-008WI
Aug 7, 2019
350000 EQUIPMENT
Warranty Information Letter sent to customers regarding new refrigerator supplier for returning parts.
19TL-9
Aug 7, 2019
020000 SUSPENSION
DTNA Special Tools Group has approved the use of Haweka Axis4000 aftermarket alignment system for use on DTNA products at DTNA service locations. The Axis4000 system uses the reference points required by DTNA for precise, accurate, and repe
19TL-9
Aug 7, 2019
200000 WHEELS
DTNA Special Tools Group has approved the use of Haweka Axis4000 aftermarket alignment system for use on DTNA products at DTNA service locations. The Axis4000 system uses the reference points required by DTNA for precise, accurate, and repe
19TL-9
Aug 7, 2019
350000 EQUIPMENT
DTNA Special Tools Group has approved the use of Haweka Axis4000 aftermarket alignment system for use on DTNA products at DTNA service locations. The Axis4000 system uses the reference points required by DTNA for precise, accurate, and repe
19TS-6
Aug 7, 2019
060000 ENGINE AND ENGINE COOLING
The modified parked regeneration strategy has been standard on GHG17 units since the start of GHG17 production and was added to EPA10 and GHG14 units with a software update. The modified regeneration utilizes an improved strategy to clean t
19TS-6
Aug 7, 2019
080000 FUEL SYSTEM, DIESEL
The modified parked regeneration strategy has been standard on GHG17 units since the start of GHG17 production and was added to EPA10 and GHG14 units with a software update. The modified regeneration utilizes an improved strategy to clean t
19TS-6
Aug 7, 2019
110000 ELECTRICAL SYSTEM
The modified parked regeneration strategy has been standard on GHG17 units since the start of GHG17 production and was added to EPA10 and GHG14 units with a software update. The modified regeneration utilizes an improved strategy to clean t
SPN 3563 / FMI 2
Aug 7, 2019
060000 ENGINE AND ENGINE COOLING
HDEP GHG17 engines are not equipped with turbo wastegates. Steps in this troubleshooting involving wastegates were removed.
SPN 3563 / FMI 2
Aug 7, 2019
350000 EQUIPMENT
HDEP GHG17 engines are not equipped with turbo wastegates. Steps in this troubleshooting involving wastegates were removed.
DOC-1034452
Aug 5, 2019
350000 EQUIPMENT
Training Solution created by DTNA to provide guidance to customers when searching for service information for components and systems not owned by Daimler Trucks North America (DTNA).
PAB025-2019
Jul 25, 2019
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
Thomas Built Buses Product Awareness Bulletin on Air Conditioning Update, HDX
PAB022-2019
Jun 27, 2019
251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
Thomas Built Buses Product Awareness Bulletin on ESC Update EFX and HDX
PAB007-2019
Mar 27, 2019
251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
Thomas Built Buses Product Awareness Bulletin on Electronic Stability Control
PAB004-2019
Mar 18, 2019
070000 FUEL SYSTEM, GASOLINE
Thomas Built Buses Product Awareness Bulletin on Corrosion Protection EFX & HDX
PAB004-2019
Mar 18, 2019
350000 EQUIPMENT
Thomas Built Buses Product Awareness Bulletin on Corrosion Protection EFX & HDX
PAB004-2019
Mar 18, 2019
356000 EQUIPMENT ADAPTIVE/MOBILITY
Thomas Built Buses Product Awareness Bulletin on Corrosion Protection EFX & HDX
sbu54056
Mar 8, 2019
110000 ELECTRICAL SYSTEM
sbu54056 Powernet Troubleshooting Guide Batteries, Path, Alternator, and Starter
D19M3 GHG17
Mar 8, 2019
110000 ELECTRICAL SYSTEM
D19M3 GHG17 Detroit? DD5? Software Reprogramming
FL794
Jan 25, 2019
045100 SERVICE BRAKES, AIR:DISC:CALIPER
Brake Caliper Mounting Bolts
ICI19-002 D18M7-
Jan 21, 2019
010000 STEERING
D18M7 ? Replaced by Recall D18R7 (FL802)
FL794 REV
Jan 18, 2019
034510 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
FL794 Recall Campaign- Brake Caliper Mounting Bolts
18TL18
Dec 31, 2018
030000 BRAKES (PWS)
30mm Air Disc Brake Caliper Bolt Torque Adapter DSNCHA018005
1213-18
Dec 31, 2018
080000 FUEL SYSTEM, DIESEL
Service Information Bulletin
1213-18
Dec 31, 2018
350000 EQUIPMENT
Service Information Bulletin
1213-18
Dec 31, 2018
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Service Information Bulletin
1212-18
Dec 31, 2018
070000 FUEL SYSTEM, GASOLINE
Service Information Bulletin- Exhaust Gas Recirculation Crossover Pipe
1212-18
Dec 31, 2018
356000 EQUIPMENT ADAPTIVE/MOBILITY
Service Information Bulletin- Exhaust Gas Recirculation Crossover Pipe
1212-18
Dec 31, 2018
060000 ENGINE (PWS)
Service Information Bulletin- Exhaust Gas Recirculation Crossover Pipe
ICI18-042 TBB FL
Dec 19, 2018
220000 SEATS
Important Campaign Information on FL769 TBB SynTec Seat Frames (Restraint Seats) Recall
FL794
Dec 4, 2018
034510 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
FL794 Brake Caliper Mounting Bolts Dealer Bulletin
ICI18-029 TBB FL
Oct 15, 2018
353000 EQUIPMENT:ELECTRICAL
Important Campaign Information- TBB FL785, Interim Recall Notice Ricon Lift Positioning Cams
DOC-1033857
Sep 19, 2018
350000 EQUIPMENT
Service Solution 1033857 TBB Floor Covering Bubbles
18-029 Auto Mete
Sep 10, 2018
350000 EQUIPMENT
Important Warranty Information on AutoMeter BCT-460DTNA Powernet Assessment Tool: Warranty Requirement and Claim Filing
FL772 Brake Cali
Sep 4, 2018
200000 WHEELS
FL772-Dealer bulletin for Brake Caliper Mounting Bolts recall
DOC-1033798
Aug 24, 2018
060000 ENGINE AND ENGINE COOLING
Service Solution: 1033798 TBB Horton Fan Clutch replacement Cummins 300 HP
ICI18-012 TBB FL
Jul 25, 2018
350000 EQUIPMENT
Advance Notice and Dealer Actions ? VIN List
ICI18-017 TBB FL
May 18, 2018
220000 SEATS
Advance action for Thomas Built Buses S#B Seat Frames recall has been converted to interim recall INT FL763.
ICI18-017 TBB FL
May 18, 2018
350000 EQUIPMENT
Advance action for Thomas Built Buses S#B Seat Frames recall has been converted to interim recall INT FL763.
ICI18-017 TBB FL
May 18, 2018
220000 SEATS
ICI18-017 TBB FL763 ? Change to Advance Action
ICI18-011
Apr 26, 2018
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
ICI18-011 TBB FL763 ? Advance Notice and Dealer Actions
ICI18-012
Apr 26, 2018
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
ICI18-012 TBB FL763 ? Advance Notice and Dealer Actions ? VIN List
Showing 100 of 192 bulletins.
NHTSA Safety Investigations — THOMAS BUILT BUSES SAF-T-LINER HDX
Investigations opened by NHTSA into potential safety defects. These are separate from recalls and may or may not result in a recall.
PE11029
Opened: Sep 2, 2011 — Closed: Feb 17, 2012
Thomas Built CNG Tank Abrasion
On August 29, 2011 ODI received a Vehicle Owner's Questionnaire (VOQ) from a Los Angeles school district indicating a 2003 Thomas Built Saf-T-Liner HDX compressed natural gas (CNG) school bus in their fleet had insufficient clearance between the CNG tank and mounting bracket resulting in damage to t... Read more
THOMAS BUILT BUSES SAF-T-LINER HDX — All Years Overview
Complete safety history for the THOMAS BUILT BUSES SAF-T-LINER HDX across all model years (2002–2026).
374
Total Recalls
10
Total Complaints
1
Investigations
0
Reported Crashes
2
Reported Fires
0
Reported Deaths
THOMAS BUILT BUSES SAF-T-LINER HDX — Year by Year
Compare recalls and complaints across model years. Click any year to see full details.
| Year | Recalls | Complaints | |
|---|---|---|---|
| 2026 | 3 | 0 | View |
| 2025 | 3 | 0 | View |
| 2024 | 2 | 0 | View |
| 2023 | 8 | 0 | View |
| 2022 | 11 | 0 | View |
| 2021 | 16 | 0 | View |
| 2020 | 18 | 0 | View |
| 2019 | 21 | 2 | View |
| 2018 (current) | 26 | 0 | |
| 2017 | 32 | 0 | View |
| 2016 | 29 | 0 | View |
| 2015 | 31 | 0 | View |
| 2014 | 30 | 0 | View |
| 2013 | 23 | 0 | View |
| 2012 | 19 | 0 | View |
| 2011 | 23 | 0 | View |
| 2010 | 16 | 0 | View |
| 2009 | 14 | 2 | View |
| 2008 | 14 | 0 | View |
| 2007 | 10 | 0 | View |
| 2006 | 9 | 2 | View |
| 2005 | 5 | 0 | View |
| 2004 | 5 | 4 | View |
| 2003 | 5 | 0 | View |
| 2002 | 1 | 0 | View |