2020 Thomas Built Buses Saf-T-Liner C2 TSBs
162 Technical Service Bulletins across 16 categories
Categories
Pre-Delivery & Maintenance
33 bulletinsService Solution for DEF Header Service Replacement Additional Parts (293)
Service Solution for C2 Low tone in the ICU
Important Campaign Information letter for FL974 - Revised Bulletin & Population
Thomas Built Buses Product Awareness Bulletin on Allison 7 Year Warranty
Important Campaign Information Letter for Dealer Travel for Campaign Performance TBB.
Revised Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance.
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In the spirit of continuous improvement, DTNA reviewed sublet-related policies and procedures. The goal was to improve language clarity and optimize processes. Revisions are in blue font.
Thomas Built Bus Service Bulletin for When troubleshooting powernet issues, use the BCT-460DTNA PowerNet Assessment Tool.
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As of May 29, 2018, the AutoMeter is the only Daimler-approved tool for troubleshooting vehicle powernet issues.
Important Campaign Information letter announcing Dealer Travel for Campaign Performance.
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This letter is to announce a reimbursement available to dealers for travel to a customers location to perform a recall or field service campaign.
Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance.
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In the spirit of continuous improvement, DTNA reviewed sublet-related policies and procedures. The goal was to improve language clarity and optimize processes.
Warranty Information Letter informing that to ensure that DTNA policies and service network practices align, the...
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Warranty Department will be revising the Warranty Manual.
Service Bulletin for Guidelines for Cleaning and Disinfecting Cab Surfaces.
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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 disinfecting procedures fully and consistently. Ensure there is adequate ventilation when using chemicals. NOTICE: Wipe down fragile components carefully to avoid damaging the vehicle.
Warranty Information Letter for Warranty Training Online.
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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 through the AftermarkeTV Video Channel icon on the Aftermarket Resource Center (ARC) home page.
Warranty Policy Letter for Handling for Authorized Service Location Part Transfers.
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To promote 24-hour throughput and maximum efficiency, DTNA is adjusting multiple handling policies: Launching a new handling allowance for parts ordered from another Authorized Service Location because the facing Part Distribution Center (PDC) is out of stock Retiring Detroit's Customer First Program
Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and warranty...
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managers.
Warranty Policy Letter explaining the Warranty Department is aligning with the frame rail repair policy, published in...
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DTNA Workshop Manuals, which states that there are very few cases in which welding a heat-treated frame rail is allowed. Therefore, before welding anything on a frame rail, contact the applicable regional service representative for approval.
Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and warranty...
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managers
Revision to a Warranty Policy Letter announcing the One Stop Supplier Extended Program Launch.
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The One Stop Supplier Extended Program streamlines the claim filing process because with One Stop Supplier Extended, the service network will file claims for some supplier-supported coverages in OWL. Revisions are in blue.
Important Campaign Information Letter announcing that revisions to DDC bulletins D19M5 and D19R2 are available.
Warranty Policy Letter announcing the One Stop Supplier Extended Program Launch.
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The One Stop Supplier Extended Program streamlines the claim filing process because with One Stop Supplier Extended, the service network will file claims for some supplier-supported extended coverages in OWL.
Warranty Policy letter announcing service locations have 90 calendar days from delivery to open a repair order which...
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Identifies and addresses discrepancies from the sales order.
WARRANTY INFORMATION LETTER for coverage validation
Warranty Policy Letter- To assist customers and the service network regarding the Aftermarket Parts Limited Parts...
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Warranty (Parts Warranty).
Service Solution to fix fault codes for DEF quality or DEF level
Warranty Policy Letter to communicate Detroit Return Changes
Warranty Information Letter sent to customers regarding new refrigerator supplier for returning parts.
Training Solution created by DTNA to provide guidance to customers when searching for service information for components...
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and systems not owned by Daimler Trucks North America (DTNA).
Warranty Policy Letter
IMPORTANT: OWL must be viewed prior to performing the recall to ensure the vehicle is involved and the campaign has not been previously completed.
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Also, check for a completion sticker prior to beginning work.
Reminder: Paper Service Bulletin Mailings Are Discontinued
Reminder: Paper Service Bulletin Mailings Are Discontinued
Service Information Bulletin
Service Bulletin Paper Copy Mailings Are Discontinued
Service Bulletin Paper Copy Mailings Are Discontinued
Engine
30 bulletinsService Solution for A22-82459-000 Wiper Motor Wiring Connector Pinned Wrong (305)
Revised Emission Recall for FCCC Clean Idle Label
Revised Emission Recall for FCCC Clean Idle Label
Revised emissions recall for FCCC Clean Idle Label
Revised emissions recall for FCCC Clean Idle Label
Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
Emission Recall for FCCC Clean Idle Label
Emission Recall for FCCC Clean Idle Label
Emission Recall for FCCC Clean Idle Label
Extended Warranty Policy for certain Cummins B6.7 engines with SSI DEF headers for EPA and CARB Emissions Reporting
Thomas Built Buses Product Awareness Bulletin on MY2020 DD5 Engine Updates
Thomas Built Buses Product Awareness Bulletin on Buy America Cummins B6.7 Engine
Thomas Built Buses Product Awareness Bulletin on ESC on C2 with PSI LPG Engine and Hydraulic Brakes
Thomas Built Buses Product Awareness Bulletin on Detroit DD5 Engine Reprogramming
Thomas Built Buses Product Awareness Bulletin on DD5 Piston Standardization
Thomas Built Buses Product Awareness Bulletin on Agility 8.0L LPG Engine
Thomas Built Buses Product Awareness Bulletin on Detroit Engine Up-Rate Capabilities
Warranty Information Letter for Detroit Resources: Exploded View DD Platform and DT12 Posters.
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Detroit's TechComm team created visual aids for the network and released exploded view posters for DD platform engines. In early 2021, Detroit added multiple DT12 posters.
Detroit Field Service Campaign for GHG17 Detroit DD5 Software Reprogramming for Model Year 2020 Thomas Built Bus Applications.
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Certain Detroit engines installed in C2 School Buses will require programming to the required software and fuel map part numbers listed.
Warranty Information Letter for a Warranty Service Replacement Engine Program Clarification.
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Detroit established the Warranty Service Replacement Engine Program to support an unrepairable catastrophic engine failure due to manufacturing defect. To improve understanding and utilization of the program, DTNA is clarifying eligibility and engine returns.
Warranty Information Letter for Warranty Long Block Program Change.
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The Detroit Reman Long Block Program has expanded. The expansion reduces complexity in ordering reman engines and promotes stocking reman engines to meet uptime commitments.
Service Information Bulletin for Cylinder Block Porosity Repair for DD5 and DD8 egnines.
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Use this procedure to repair oil leaks caused by cylinder block porosity. The low oil pressure, cast areas of the cylinder block can be repaired using this method. J-B Weld is the recommended two-part epoxy for this repair.
Technical Service Letter for DD Platform Heavy Duty, Metal in the Oil and Oil Filter.
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Some engine component failures can cause metallic debris to circulate throughout the engine lubrication system. Although the oil filter will capture most of this debris, some debris may enter the clean side of the lubrication system during oil filter bypass. Detroit has created a lubrication system cleaning and flushing procedure to address this problem.
Field Service Campaign Revision for DD5 engines on Saf-T-Liner C2 concerning GHG17 Detroit DD5 Software Reprogramming.
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Adding clarification to the Corrective Procedure.
Field Service Campaign for DD5 engines on Saf-T-Liner C2 concerning GHG17 Detroit DD5 Software Reprogramming.
Camshaft Position (CMP) sensor terminal fretting due to vibration for DD5 and DD8 engines.
Customer Service Announcement that eParts is being retired and that PartsPro should be used instead for Detroit Engine...
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Parts Information.
Service Systems Development provided document to service locations on price list reflects current charges to engine...
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horsepower ratings for HDEP and MDEG engine platforms.
HDEP GHG17 engines are not equipped with turbo wastegates.
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Steps in this troubleshooting involving wastegates were removed.
Service Information Bulletin- Oil Present at the Turbocharger Compressor Housing
Electrical
20 bulletinsRevised Emissions Recall: Cummins DEF Sensor Shortage.
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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 Confirm' has been added, as shown in Table 2, to be used when a new DEF header is not required. There have been some other minor changes to the work instructions and SRT times.
Emissions Recall: Cummins DEF Sensor Shortage
Thomas Built Buses Service Bulletin for DEF Connector Reinforcement Caps.
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Some customers experience separation of the diesel exhaust fluid (DEF) lines from the connection ports in extreme cold temperatures. To prevent this, a process was developed to secure the lines with wire ties. A new reinforcement cap has been developed to simplify this process at the DEF connection fittings.
Thomas Built Buses Product Awareness Bulletin on Alternator Update C2
Service Solution for eB2 High Voltage Relay.
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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 relay is now available and is being offered as a product update at no charge for applicable vehicles.
Warranty Policy Letter for battery tags.
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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-related claims.
Service Solution for 8.8L Aft Fuel Harness Update.
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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 schematic is drawn.
Customer Advisory Letter for C2 School Bus Aft Fuel System Harness Update.
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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 should be inspected. If the harness is found to have been incorrectly built, it will be repaired.
Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes - Claim Guidelines.
OEM and distributor announcement for Running Change to ACM Software for MY2020.
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There is an upcoming running change (RC1) for ACM software that will be installed when OEMs or distributors program with DiagnosticLink. The hardware part number for the ACM module will remain the same (A 000 446 97 54). OEMs are instructed to continue ordering the same ACM hardware part number.
Thomas Built Buses Service Bulletin for Guidelines for Repairing or Replacing an Electrical Harness.
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Use the guidelines in this bulletin to determine if a damaged electrical harness should be repaired or replaced.
Service Bulletin for Guidelines for Repairing or Replacing an Electrical Harness.
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Use the guidelines in this bulletin to determine if a damaged electrical harness should be repaired or replaced.
Warranty Information Letter announcing Detroit NOx Sensor Circuit Improvements for GHG17 After Treatment Systems
Technical Service Letter Revision on heavy duty coolant oil module and oil filter change.
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Older modules will not be compatible with newer module.
Tool Letter for DAVCO Shop Pro FXP 95-230V compatible for Australia Electrical Systems.
Tool Letter for DAVCO Shop Pro FXP 95-230V compatible for Chile and Italy Electrical Systems
Service Information Bulletin for Communication Loss with a Common Powertrain Controller (CPC) Module (CPC Heartbeat...
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Message is no Longer Arriving)
sbt54025 Powernet Troubleshooting Guide Batteries, Path, Alternator, and Starter
Service Solution: 1033979 TBB Main Harness wiring improvement Recall
Service Solution: 1033979 TBB Main Harness wiring improvement Recall
Software & Calibration
15 bulletinsService Solution for EB2 MCC Controller Update, Intellipark Keep-Awake
Thomas Built Buses Product Awareness Bulletin on National Drivers Seat Update
Thomas Built Buses Product Awareness Bulletin on Jouley Warranty Update
Thomas Built Buses Product Awareness Bulletin on 12V Outlets Update
Thomas Built Buses Product Awareness Bulletin on Data Book Update
Thomas Built Buses Product Awareness Bulletin on LPG Update
Thomas Built Buses Product Awareness Bulletin on Lettering Update
Thomas Built Buses Product Awareness Bulletin on Cummins 6.7L Update - Radiator
Thomas Built Buses Product Awareness Bulletin on Freedman Seating Update
Thomas Built Buses Product Awareness Bulletin on Slide n Click Update
Thomas Built Buses Product Awareness Bulletin on ESC Update Saf-T-Liner C2
Starting on November 23, 2020, DiagnosticLink 8.13 (Build 4527) was made available.
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Current subscribers of DiagnosticLink 8.11 or 8.12 may upgrade to DiagnosticLink 8.13 at no cost. All DTNA Service shops & OEM locations are required to maintain the latest version of software on each of their stations.
OEM and distributor announcement for DiagnosticLink 8.12 (Build 4527) was made available.
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All DTNA Service shops & OEM locations are required to maintain the latest version of software on each of their stations.
Customer Service Announcement for Release of DiagnosticLink 8.12.
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On Wednesday, June 10, 2020, DiagnosticLink 8.12 will be made available for download from the ordering system. Current subscribers of DiagnosticLink 8.xx can upgrade to DiagnosticLink 8.12 at no cost. All DTNA service shops are required to maintain the latest version of software on each of their stations.
Warranty Information Letter updated to communicate warranty system updates.
Other
14 bulletinsMy Communications for UFI 0-Ring Announcement
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the...
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Clean Truck Check.
Thomas Built Buses Product Awareness Bulletin on Introducing Saf-T-Liner C2 Jouley
Thomas Built Buses Product Awareness Bulletin on Lettering Changes - Notification
Thomas Built Buses Product Awareness Bulletin on C2 Backup Camera Package Changes
Thomas Built Buses Product Awareness Bulletin on Power Outlet
Thomas Built Buses Product Awareness Bulletin on Next Generation PV360
Thomas Built Buses Product Awareness Bulletin on New Standard C2 Black Grille
Thomas Built Buses Product Awareness Bulletin on Equipment Change
PowerNet Assessment Tool Repair Procedure
sbt54024 ICU Odometer Programming
Technical Publications Ordering
Technical Publications Ordering
Technical Publications Ordering
Body & Paint
13 bulletinsService Solution for Windshield Stress Crack Info only
Thomas Built Buses Product Awareness Bulletin on RH 3 POS Switch for Electric Operated Entrance Door
Thomas Built Buses Product Awareness Bulletin on Defender Composite Stop Arm Changes
Thomas Built Buses Product Awareness Bulletin on Roof Top Lettering (Addendum)
Thomas Built Buses Product Awareness Bulletin on Defender Electric Crossing Arm
Thomas Built Buses Product Awareness Bulletin on Auto Reversing Door Update C2
Thomas Built Buses Product Awareness Bulletin on Auto Reversing Entrance Door
Thomas Built Buses Product Awareness Bulletin on Manual Entrance Door
Customer Advisory Letter for Saf-T-Liner C2 Jouley Electric Bus Dash Panel Updates.
Warranty Information Letter for Body Builder/Truck Equipment Manufacturer Demonstration Program.
Service Bulletin for paint finish standards.
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Delfleet One has been added for aftermarket use. This version replaces service bulletin dated May 5, 2017.
SS:1034175 TBB Removing Window Stops from Passenger Windows
SS:1034175 TBB Removing Window Stops from Passenger Windows
Fuel System
11 bulletinsImportant Campaign Information letter for FL997 Emissions Recall - Revised Bulletin/Population
Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates
Important Campaign Information for FL997 Emissions Recall Campaign Suspended
Warranty Information letter announcing that DTNA is increasing the Standard Diagnostic Times (SDTs) shown.
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The updated after treatment system (ATS) diesel exhaust fluid (DEF) pump times will be applied to repair orders opened on or after April 12, 2021.
Service Solution for Replacement Parts to Address Exhaust Brackets
Technical Service Letter for EPA10, GHG14, GHG17 Diesel Particulate Filter (DPF) Compatibility.
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Note: This document supersedes 14 TS-25 and 15 TS-8. Detroit Diesel has determined that some, Diesel Particulate Filters (DPFs) are compatible in pairs and or can be mixed together within EPA10 and GHG14 Systems. For 1-BOX and Two-Box Configuration Aftertreatment Systems (ATS), this is only possible when the filters are used in accordance with Tables 1 and 2 shown below. All other DPFs, NOT mentioned below, are NOT compatible.
Customer Service Announcement informing that Service Pack (SP) 1 for DiagnosticLink 8.12 Standard and Professional is...
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available to download from the Detroit Diesel server.
Warranty Information Letter for Detroit and TBB Parchment Format Update.
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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 be transitioned to the format used for Freightliner, Freightliner Custom Chassis Corporation (FCCC), and Western Star. DTNA's goal is to improve and align documentation but individual coverages have not changed. Updated parchments, also known as coverage sheets, will be published on a rolling basis.
Customer Service Announcement saying that Service Pack (SP) 3 for DiagnosticLink 8.11 Standard and Professional will be...
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available for download from the Detroit Diesel server.
Customer Service Announcement saying that Service Pack (SP) 2 for Diagnostic Link 8.11 Standard and Professional will be...
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available for download from the Detroit Diesel server.
Service Information Bulletin- Exhaust Gas Recirculation Crossover Pipe
Lighting
8 bulletinsProducat Awareness Bulletin for Saf-T-Liner C2 Headlamp Updates
Customer Service Announcement for DiagnosticLink Software Update Reminder.
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Due to various software changes and fixes, vehicles will require DiagnosticLink 8.12 to perform functional programming. Failure to use this version may cause errors, incomplete programming, and poor vehicle performance. Because of this, all DiagnosticLink 8.09 installed versions will be disabled as of Thursday, July 23, 2020.
Warranty Policy Letter for Chassis Progressive Damage Policy Change.
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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 and labor may be covered under the Aftermarket Parts Limited Parts Warranty (Parts Warranty).
Warranty Policy Letter for Handling Change: Over the Counter Aftermarket Parts Replacement Program.
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DTNA is pleased to announce that handling will increase to 33% for Misc. Replacement Part type claims filed under the Over the Counter (OTC) Aftermarket Parts Replacement Program.
Customer Service Announcement reminding service locations to update their DiagnosticLink software.
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To maintain access to the Detroit server, all DiagnosticLink computers must be updated with the current version of DiagnosticLink software. all DiagnosticLink 8.08 installed versions will be disabled as of Tuesday, January 28, 2020.
Customer Service Announcement for a policy change regarding Detroit Service Information Bulletins (SIBs) will now have a...
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60-day expiration, starting on the release day of the bulletin. The intent of a SIB is to notify the service network of a major change to one or more service procedures. Do not save SIBs nor reference them for repairs, as they are uncontrolled and never updated.
Service Bulletin for M2 Surge Tank Shunt Line Clamp Replacement.
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On some vehicles, the shunt line coolant hose is disconnecting from the surge tank and replacing the constant tension clamp with a Breeze brand clamp resolves the issue.
Service Solution for TBB headlamp buzzer feature availability.
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If optioned, feature can be applied to warn driver to turn off headlamps when headlamps are on and the key is in the off position.
Suspension
4 bulletinsThomas Built Buses Product Awareness Bulletin on Suspension Auto-Reversing Door
Thomas Built Buses Product Awareness Bulletin on Hendrickson Tapered Leaf Springs
Thomas Built Buses Service Bulletin for Axle Flange Gasket Replaced with O-Ring.
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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 11-14418-000). The new O-ring will provide better sealing and is reusable. It is quicker and easier to use compared to the paper gasket, because using a paper gasket requires cleaning the hub when the axle shaft is removed.
Field Service Campaign for FCCC Bus Chassis Drag Link Interference.
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Certain vehicles may experience interference between the front spring hanger bracket and the drag link during a right-hand turn. Vehicles will be inspected to determine if there is adequate clearance between the spring hanger bracket and the drag link. If clearance is not adequate, the pitman arm will be replaced.
Transmission
4 bulletinsRevised Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing.
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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 added to OWL. Remanufactured Alliance/Mascot parts include transmission, differential, steering gear, and steering pump used in an on-highway vehicle applications. The Alliance/Mascot aftermarket warranty coverage period has not changed: depending on the part, coverage is for one (1) or two (2) years and current parts, labor, and reimbursement policies apply.
Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing.
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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 Alliance/Mascot parts include transmission, differential, steering gear, and steering pump used in an on-highway vehicle applications. The Alliance/Mascot aftermarket warranty coverage period has not changed: depending on the part, coverage is for one (1) or two (2) years and current parts, labor, and reimbursement policies apply.
Service Solution for OBD16 M2, C2, 108SD & 114SD Allison transmission not shifting due to harness chafing.
Service Bulletin-sb60163 Adding Floor Support for Vehicles with Automatic or Automated Transmissions
HVAC & Climate
2 bulletinsFleet Communications for Heater Core Plugging
Thomas Built Buses Product Awareness Bulletin on Heater Hose Changes
Steering
2 bulletinsParts Bulletin for Tie Rod Assembly Part Breakdown
Tech Talk discussion about power steering fluid.
Brakes
2 bulletinsThomas Built Buses Product Awareness Bulletin on Axial Mounted Air Disc Brake Caliper for Saf-T-Liner C2
Customer Advisory Letter for C2 Rear Brake Chamber Interference with optional Insta-chain.
Tires & Wheels
2 bulletinsThomas Built Buses Product Awareness Bulletin on Hankook DH37 Drive Tire/ Spare Tire
Thomas Built Buses Product Awareness Bulletin on Alcoa Wheel Update C2
Hybrid & EV
1 bulletinThe modified parked regeneration strategy has been standard on GHG17 units since the start of GHG17 production and was...
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added to EPA10 and GHG14 units with a software update. The modified regeneration utilizes an improved strategy to clean the DOC inlet face and reduce downtime due to DOC face plugging.
Infotainment
1 bulletinDTNA Special Tools Group has approved the use of Haweka Axis4000 aftermarket alignment system for use on DTNA products at DTNA service locations.
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The Axis4000 system uses the reference points required by DTNA for precise, accurate, and repeatable measurements. Axis4000 is a sophisticated, user-friendly system that utilizes computer based camera-radio technology and references the center line of the frame for measuring and providing alignment results to DTNA specifications.