Technical Service Bulletins (TSB)

THOMAS BUILT BUSES — SAF-T-LINER HDX (2022)

170000 LATCHES/LOCKS/LINKAGES

Thomas Built Buses Product Awareness Bulletin on Auto-Reversing Door HDX

THOMAS BUILT BUSES — MINOTOUR DRW, MINOTOUR SRW, SAF-T-LINER C2, SAF-T-LINER EFX, SAF-T-LINER HDX (2022) — 6 vehicle combinations

120000 EXTERIOR LIGHTING

Thomas Built Buses Product Awareness Bulletin on Discontinued Warning Light Packages

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2020–2021) — 3 vehicle combinations

110000 ELECTRICAL SYSTEM

Service Solution for eB2 High Voltage Relay. The High Voltage relay is currently rated as an IP65. While mounted in a dry location, some customer may want the added benefits of an IP67 rated module. An IP67 rated version of the high voltage

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2020–2021) — 3 vehicle combinations

110000 ELECTRICAL SYSTEM

Customer Advisory Letter for Saf-T-Liner C2 Jouley Electric Bus Dash Panel Updates.

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THOMAS BUILT BUSES — MINOTOUR DRW, SAF-T-LINER C2, SAF-T-LINER EFX, SAF-T-LINER HDX (2022) — 5 vehicle combinations

980000 UNKNOWN OR OTHER

Thomas Built Buses Product Awareness Bulletin on Greenhouse Gas (GHG) 2021 - Configurator Update

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2022) — 2 vehicle combinations

030000 BRAKES (PWS)

Tech Talk continuing discussion on wabco will not connect.

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THOMAS BUILT BUSES — MINOTOUR DRW, MINOTOUR SRW, SAF-T-LINER C2, SAF-T-LINER EFX, SAF-T-LINER HDX (2022) — 6 vehicle combinations

120000 EXTERIOR LIGHTING

Thomas Built Buses Product Awareness Bulletin on Stage 2 Lights for Passenger Loading-Unloading

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THOMAS BUILT BUSES — SAF-T-LINER EFX, SAF-T-LINER HDX (2022) — 4 vehicle combinations

200000 WHEELS

Thomas Built Buses Product Awareness Bulletin on Insta-Chain HDX-EFX

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2022) — 3 vehicle combinations

030000 BRAKES (PWS)

Tech talk discussion on wabco will not connect.

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THOMAS BUILT BUSES — THOMAS BUILT BUSES — 2 vehicle combinations

040000 SERVICE BRAKES, AIR

Customer Advisory Letter for Saf-T-Liner C2 Jouley School Bus Dash Panel Updates.

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2022)

050000 PARKING BRAKE

Thomas Built Buses Product Awareness Bulletin on Bendix Intellipark for Saf-T-Liner C2 PSI LPG Engine

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2018–2021) — 6 vehicle combinations

070000 FUEL SYSTEM, GASOLINE

Service Solution for 8.8L Aft Fuel Harness Update. The aft fuel system harness may not be built per the schematic. This issue will not have any operability related issues. It is simply updating the harness to allow it to match how the schem

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2019–2022) — 8 vehicle combinations

070000 FUEL SYSTEM, GASOLINE

Customer Advisory Letter for C2 School Bus Aft Fuel System Harness Update. Freightliner Custom Chassis has determined that the aft fuel system wiring harness on C2 School Buses may not have been built as the schematic indicates. The vehicle

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THOMAS BUILT BUSES — MINOTOUR, SAF-T-LINER C2, SAF-T-LINER EFX, SAF-T-LINER HDX, THOMAS BUILT BUSES (2015–2022) — 31 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Important Campaign Information Letter for Dealer Travel for Campaign Performance a?? TBB.

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2018) — 3 vehicle combinations

060000 ENGINE AND ENGINE COOLING

Tech Talk continued discussion on 2018 THOMAS C2 BUS-AUTO HIGH IDLE INOP.

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2021–2022) — 6 vehicle combinations

060000 ENGINE AND ENGINE COOLING

Customer Advisory Letter for EV School Bus Product Updates. Freightliner Custom Chassis has developed some product enhancements and improvements for certain eB2 School Busses which include software updates and adding a coolant pump mounting

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2021–2022) — 4 vehicle combinations

110000 ELECTRICAL SYSTEM

Service Solution for eB2 Product Updates & Enhancements. Certain early production eB2 buses may complain of an intermittent amber colored battery light flickering or illuminating for no reason. A new software update for the EV controller ha

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2021–2022) — 4 vehicle combinations

060000 ENGINE AND ENGINE COOLING

Service Solution for TBB and Freightliner EB2 Electric Bus Charging troubleshooting.

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THOMAS BUILT BUSES — SAF-T-LINER C2, SAF-T-LINER EFX, SAF-T-LINER HDX (2021) — 6 vehicle combinations

060000 ENGINE AND ENGINE COOLING

Thomas Built Buses Product Awareness Bulletin on MY2021 Cummins B6.7 Containment Plan

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2021)

350000 EQUIPMENT

Tech Talk discussion on Zonar Door Signal.

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2021–2022) — 6 vehicle combinations

060000 ENGINE AND ENGINE COOLING

Warranty Information Letter for Proterra Electric Powertrain Extended Warranty on TBB Electric Vehicles and FCCC Electric School Bus Chassis. Please be aware that for TBB electric vehicles and Freightliner Custom Chassis Corporation (FCCC)

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2017) — 2 vehicle combinations

030000 BRAKES (PWS)

Tech Talk discussion on M2 school bus ABS issues.

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2001–2022) — 42 vehicle combinations

100000 POWER TRAIN

Thomas Built Buses Service Bulletin for Axle Flange Gasket Replaced with O-Ring. Daimler Trucks North America has released a new axle shaft to hub rubber O-ring (part number 11-30728-000) as a replacement for the paper gasket (part number 1

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2021) — 4 vehicle combinations

110000 ELECTRICAL SYSTEM

Warranty Information Letter for announcing that TBB has developed a new pre-delivery inspection (PDI) form specific to electric vehicles. For TBB electric vehicles, service locations must use the TBB PDI Form for Electric Vehicles (WAR409).

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THOMAS BUILT BUSES — SAF-T-LINER C2 (2017–2020) — 8 vehicle combinations

060000 ENGINE AND ENGINE COOLING

Service Solution for Replacement Parts to Address Exhaust Brackets

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