TSB-54-384-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for Grote OEM and Alliance Aftermarket Headlamp Replacement
Vehicle report
2020 FREIGHTLINER BUSINESS CLASS M2
Service bulletins
236 bulletinsTechnical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
SS 583814
Other
Service Solution for A22-82459-000 Wiper Motor Wiring Connector Pinned Wrong (305)
MyCom_02062026-1
Other
My Communications for update on UFU R61709 Fuel Filters
FleetCom_Heater Core
Other
Fleet Communications for Heater Core Plugging
FleetCom_Oil Plug Loc
Other
Fleet Communications for NFD Lower Oil Plug Location - SP Axles
SF671-Bulletin
Service Campaign
Revised Field Service Campaign for Beverage Body Frame Rail 50 KSI
SF671-DLR LTR
Service Campaign
Revised Field Service Campaign for Beverage Body Frame Rail 50 KSI
MYCOM_10302025-1
Other
My Communications for Update to DTNA parts on UFU R61709
CXA 10_25_Air Dryer Purge
Other
CX Advocate for Experiencing Excessive Purging from Air Dryer
CXA_10_25_Conmet Oil Pan
Other
CX Advocate for ConMet Oil Pan Insert Additional Issues
MYCOM_09022025-1
Other
My Communications for UFI 0-Ring Announcement
MYCOM_08212025-1
Other
My Communications for UPDATE TO DTNA PARTS QUALITY ALERT STOCK HOLD on UFU R61709
MYCOM_08182025-1
Other
My Communications for Parts Hold on UFU Filter
TSB88-048-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for New Grill Design
PB33-004-FTL
Service Bulletin/Repair Instructions
Parts Bulletin for Tie Rod Assembly Part Breakdown
SS3124-FTL
Other
Service Solution for Legacy M2 Bulkhead Module (BHM) Replacement and Diagnosticlink Issue
CXA 3_25_NOx
Other
CX Advocate for NOx conversion low faults
CXA 3_25_SAS01T to SAS03T
Other
CX Advocate for SAS01T to SAS03T replacement (TSB54-373-FTL, TSB54-097-WST)
CXA 2_25_NOx
Other
CX Advocate for NOx conversion low faults
CXA 2_25_Turbo Oil Drain
Other
CX Advocate for turbo oil drain cracking
SS3143-FTL
Other
Revised Service Solution for M2 Plus Fault Code 232/524000/19- ECU CPC data error
ICI25-004
Other
Important Campaign Information letter for SF695 – Campaign Replaced by F1012
TSB54-373-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for SAS01T to SAS03T Replacement Information
CXA 1_16_CARB Truck Chec
Other
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
CXA 1_16_DD13 Altitude
Other
CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault.
CXA 1_16_NOx
Other
CX Advocate for NOx conversion low faults
CXA 1_16_Seat Occupancy
Other
CX Advocate for repairing seat occupancy sensor (TSB 91-016-FTL)
CXA 1_16_Turbo Oil Drain
Other
CX Advocate for turbo oil drain cracking
TSB35-039-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management
CXA 11_21_CARB Truck Chec
Other
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
CXA 11_21_M2, SD Transfer
Other
CX Advocate for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed (SS 3155-FTL)
TSB91-016-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for Repairing Seat Occupancy Sensor for ISRI, SEARS and National Truck Seats
SS1032998-FTL
Other
Service Solution for M2 mirror wind noise
WI24-019
Warranty Program/Extension
Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates
PB01-009
Other
Parts Bulletin for Powertrain Power Distribution Module (PTPDM) Kit Replacement
SS3155-FTL
Other
Service Solution for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed
CXA 10_17_Misrated engine
Other
CX Advocate for Legacy M2 – Misrated Engines in Emergency Vehicles (SF695)
CXA_10_17_CARB Truck Chec
Other
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
SS1023366-Detroit
Other
Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
CXA 9_24_MDEG Updates
Other
CX Advocate for MDEG Updates
CXA 8_24_Conmet Oil Pan
Other
CX Advocate for ConMet Oil Pan Insert Additional Failures
CXA 8_24_MDEG Updates
Other
CX Advocate for MDEG Updates
CXA 7_24_Conmet Oil Pan
Other
CX Advocate for ConMet Oil Pan Insert Additional Failures
CXA 7_24_MDEG Updates
Other
CX Advocate for MDEG Updates
CXA 7_24_NOx
Other
CX Advocate for NOx conversion low faults. Update to CXA 6_24_NOx submission.
CALFTL13-002
Service Bulletin/Repair Instructions
Customer Advisory Letter for Proactive Air Compressor, Resonator, and Suction Line Replacement
ICI24-029
Other
Important Campaign Information Letter for SF695 – Cummins Engine Emergency Vehicle Calibration
CXA 06_24_Clutch Bolts
Other
CX Advocate communication for clutch bolts
CXA 06_24_NOx
Other
CX Advocate communication for NOx conversion low faults
ICI24-025
Service Campaign
Revised Important Campaign Inofrmation letter for SF671 - Bulletin Revision. REVISION: 3 new SRTs and repair procedures have been created to address specific issues that arise during the repair.
SF671_V2-Bulletin
Service Campaign
Revised Field Service Campaign for Beverage Body Frame Rail 50 KSI. REVISION: 3 new SRTs and repair procedures have been created to address specific issues that arise during the repair.
SF671_V2-DLR LTR
Service Campaign
Revised Field Service Campaign for Beverage Body Frame Rail 50 KSI. REVISION: 3 new SRTs and repair procedures have been created to address specific issues that arise during the repair.
TSB35-042-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for New Final Drive Over Heat Diagnostic
SS734-WST
Other
Service Solution for Thread Spring Pin Suspension Alignment & Installation
SF672 POSTCARD LARGE
Service Campaign
Field Service Campaign Owner Reminder Postcard large population
SF672 POSTCARD SMALL
Service Campaign
Field Service Campaign Owner Reminder Postcard small population
VSWP Customer Letter
Other
Customer letter regarding variable speed water pump.
MYCOM_05142024-1
Other
My Communications for SSI DEF Header Warranty Policy Extension for B6 7 Engines Model Years 2017-2021
CumminsB6.7SSI
Service Bulletin/Repair Instructions
Extended Warranty Policy for certain Cummins B6.7 engines with SSI DEF headers for EPA and CARB Emissions Reporting
SS3144-FTL
Service Bulletin/Repair Instructions
Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
ICI24-013
Service Bulletin/Repair Instructions
Important Campaign Information letter for SF671 Campaign Suspended
ICI24-009
Service Bulletin/Repair Instructions
Important Campaign Information letter for SF671 - Bulletin Revision. REVISION: If you find modifications to the chassis, please submit a WSC Inquiry before beginning any additional work.
SF671
Service Bulletin/Repair Instructions
Revised Field Service Campaign for Beverage Body Frame Rail 50 KSI. REVISION: If you find modifications to the chassis, please submit a WSC Inquiry before beginning any additional work.
FL974
Service Bulletin/Repair Instructions
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 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.
ICI24-006
Service Bulletin/Repair Instructions
Important Campaign Information letter for FL974 - Revised Bulletin & Population
ICI24-007
Service Bulletin/Repair Instructions
Important Campaign Information letter for SF669 Campaign Suspended
SF669
Service Bulletin/Repair Instructions
Field Service Campaign for Adaptive Cruise Control
SF672_V4
Service Bulletin/Repair Instructions
Revised Field Service Campaign for Common Telematics Platform Software Update
SF672
Service Bulletin/Repair Instructions
Field Service Campaign for Common Telematics Platform Software Update
ICI23-010
Service Bulletin/Repair Instructions
Important Campaign Information letter communicating that SF660 Field Service Campaign is Replaced by FL967.
SF660A
Service Bulletin/Repair Instructions
Revised Field Service Campaign for Drag Link Tapered Joint
SF660
Service Bulletin/Repair Instructions
Field Service Campaign for Drag Link Tapered Joint
SB54-295
Service Bulletin/Repair Instructions
Revised Freightliner Service Bulletin for Replacing an Auto Baud Rate Detecting Bulkhead Module with a Fixed Baud Rate BHM. Description of Revisions: This bulletin replaces the version dated 02/01/2016. Information about auto baud rate connections has been included.
SB83-161
Service Bulletin/Repair Instructions
Updated Freightliner Service Bulletin for Heater Hose Reduced Clearance May Cause Early Horn Failures
SB49-042
Service Bulletin/Repair Instructions
Freightliner Service Bulletin for DEF Connector Reinforcement Caps.
CALFTL46-002
Service Bulletin/Repair Instructions
Customer Advisory Letter for M2 Front Steer Arm â Drag Link Ball Joint Connection Inspection
SS3090-FTL2021
Service Bulletin/Repair Instructions
Service Solution for DD8 Engine Harness Chafing Air Compressor Suction Line.
SB60-176
Service Bulletin/Repair Instructions
Freightliner Service Bulletin for Insulated Automatic Transmission Cover Plate. Some Business Class M2 and 108/114 Severe Duty vehicles equipped with a compressed natural gas (CNG) engine and automatic transmission may experience higher exhaust temperatures than vehicles equipped with a diesel engine.
TechTalk566984
Service Bulletin/Repair Instructions
Tech Talk Discussion Inoperative Driver's Side Headlight
TechTalk566915
Service Bulletin/Repair Instructions
Tech Talk Discussion M2. Rumble Strip Sound cuts out radio. On Guard. On Lane. Lane Departure. Audio interrupt switches
SF624
Service Bulletin/Repair Instructions
Freightliner Field Service Campaign for Freightliner M2 DD5 Fan Hub Fasteners. Fan hub bolts may be insufficiently torqued which could lead to a failure and excessive truck down time.
TechTalk 566858
Service Bulletin/Repair Instructions
Tech Talk Discussion Turn Signals
SS1034797-2021
Service Bulletin/Repair Instructions
Service Solution for M2,108SD, 114SD Coolant Level Sensor P/N 06-93316-002. The Call Center has received several calls pertaining to this LCL sensor introduced to in 2018. The purpose of this solution is to bring better awareness to the sensor functions, fault codes generated, along with providing testing procedures used to validate the sensors condition. Additional information has been added.
CALFTL32-011
Service Bulletin/Repair Instructions
Customer Advisory Letter for 80KSI Frame Reinforcement Installation on specific Business Class M2 equipped with 80KSI frame rails and an Airliner 20,000 lb or 21,000 lb rear suspension.
SB54-320
Service Bulletin/Repair Instructions
Updated Service Bulletin for upgrading BHM software for switch expansion module fault SPN 698 FMI 7. This bulletin replaces the version dated 11/11/2019. Figure 3 has been updated with a new hardware part number. A procedure was added to the data download process.
WI21-009
Service Bulletin/Repair Instructions
Warranty Information letter announcing that DTNA is increasing the Standard Diagnostic Times (SDTs) shown. 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.
WI21-008
Service Bulletin/Repair Instructions
Warranty Information Letter announcing DTNA is adjusting the Standard Repair Times (SRTs) shown. The updated times will be applied to repair orders opened on or after April 5, 2021.
SB54-328
Service Bulletin/Repair Instructions
Updated Freightliner Service Bulletin for Rerouting Wiring Harness to Reduce Chafing. This bulletin replaces the version dated 06/29/2020. Two new illustrations have been added to demonstrate proper application of butterfly tie straps on the transmission. ---Allison transmission wiring harness chafing causes disruption to gear engagement and fault code generation. To reduce chafing, the wiring is routed using stand off brackets and tie straps to minimize contact with the transmission parts. This bulletin applies to vehicles equipped with on-board diagnostics (OBDs) manufactured after 2016.
SB83-155
Service Bulletin/Repair Instructions
Updated Freightliner Service Bulletin for Espar Service Information. This bulletin replaces the version dated January 1, 2015. New Cascadia has been added to the model list.
WP21-007
Service Bulletin/Repair Instructions
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-related claims.
SS3073FTL2021
Service Bulletin/Repair Instructions
Service Solution for M2 Rear Suspension Knock. This document applies to Freightliner M2 Business Class used in a âFire/Emergencyâ application and equipped with FTL flat leaf spring rear suspensions. The FTL flat leaf spring rear suspension permits the spring pack to shift laterally within the spring hanger brackets. Under heavy cornering load applications, the spring pack can shift laterally and contact the sidewall of the spring hanger bracket. Driver of the vehicle will detect an audible popping or knocking noise from the rear suspension when turning the vehicle.
SB49-038
Service Bulletin/Repair Instructions
Revised Freightliner Service Bulletin for netized Fill Neck for Six-Gallon DEF Tanks. A design change removed the magnets from the fill necks for some 6-gallon diesel exhaust fluid (DEF) tanks. If the vehicle is equipped with a non-magnetic fill neck 04-32529-000, it can be updated to a magnetic neck 04-32529-001. This bulletin replaces the version dated 04/18/2017. Updated availability of magnetic fill neck option for other diesel exhaust fluid (DEF) tank part numbers.
KU1804 Fuel Pump
Service Bulletin/Repair Instructions
Email from DDC Service Engineering regarding a fuel pump replacement on a population of 18 MY2019-2021 Freightliner M2 vehicles.
SB54-308
Service Bulletin/Repair Instructions
Freightliner Service Bulletin for Programming Chassis Electronic Control Units (ECUs) With DiagnosticLink.
20TS-08REV
Service Bulletin/Repair Instructions
Revised Technical Service Letter for Fault Code SPN 2629 FMI 10 on GHG21 936.917 DD8 Dual Stage Turbo with MCM Software Version 14.
21OEM-06
Service Bulletin/Repair Instructions
Starting on November 23, 2020, DiagnosticLink 8.13 (Build 4527) was made available. 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.
TechTalk8169K
Service Bulletin/Repair Instructions
Tech Talk discussion on KUS fuel sending units.
WI21-005
Service Bulletin/Repair Instructions
Warranty Information Letter for Body Builder/Truck Equipment Manufacturer Demonstration Program.
WI21-006
Service Bulletin/Repair Instructions
Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes - Claim Guidelines.
TechTalk8114
Service Bulletin/Repair Instructions
Tech Talk discussion on 2020 M2 106 J1939 ISSUES.
TechTalk7086
Service Bulletin/Repair Instructions
Tech Talk continued discussion on NEW M2 DD8 TURBO OUTLET TEMP SENSOR.
WI20-014R
Service Bulletin/Repair Instructions
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 clarity and optimize processes. Revisions are in blue font.
TechTalk7962
Service Bulletin/Repair Instructions
Tech Talk continued discussion on WABCO ABS SYSTEM.
WI21-004
Service Bulletin/Repair Instructions
Warranty Information Letter for Detroit Resources: Exploded View DD Platform and DT12 Posters. 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.
Techtalk7962
Service Bulletin/Repair Instructions
Tech talk continued discussion on WABCO ABS SYSTEM.
CALFTL88-001
Service Bulletin/Repair Instructions
Customer Advisory Letter for Freightliner M2 Forward-Frame Extension Hood Mount Bracket Gusset Installation.
SB35-036
Service Bulletin/Repair Instructions
Revised Freightliner Service Bulletin for Axle Flange Gasket Replaced with O-Ring. Revision removed steps instructing removal and installation of wheels. 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.
Techtalk7086
Service Bulletin/Repair Instructions
Tech Talk discussion on M2 DD8 TURBO OUTLET TEMP SENSOR.
SB42-079
Service Bulletin/Repair Instructions
Freightliner Service Bulletin for Access to Front Brake Zerk Fittings. Certain vehicles with Detroit front axles and Meritor EX-L front air disc brakes do not have access to the front brake zerk fittings for lubrication.
WP20-018R
Service Bulletin/Repair Instructions
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 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.
WP20-018
Service Bulletin/Repair Instructions
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 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.
20TS-08
Service Bulletin/Repair Instructions
Technical Service Letter for Fault Code SPN 2629 FMI 10 on GHG21 936.917 DD8 Dual Stage Turbo with MCM Software Version 14
CALFTL32-006R
Service Bulletin/Repair Instructions
Revised Customer Advisory Letter for Hendrickson Primaax EX 69,000 lb Tri-Axle Rear Air Suspension Height-Control Valve Relocation. Revision is Step 8 drilling instructions expanded. The attached document provides work instructions for relocating the height-control valve downward 1.62 inches (41.3 mm) to prevent the linkage from protruding above the top flange of the frame when the suspension air is dumped.
TechTalk6427
Service Bulletin/Repair Instructions
Tech Talk discussion on M2 repeatedly burning F19 fuse.
CALFTL54-013
Service Bulletin/Repair Instructions
Customer Advisory Letter for Updating the RP170 Customer Access Connector and Adding Overlays for J1939. The Electrical Guide for M2106, M2112, 108SD, 114SD Body Builder Reference Guide Revision: D June 2019 incorrectly displays pins 2 and 3 of the customer access 8 pin connector on table 5 as Hot with crank, Ignition controlled battery (+) thru Disconnect switch (If disconnect switch specified).
SS1034797
Service Bulletin/Repair Instructions
Service Solution for M2,108SD, 114SD Coolant Level Sensor P/N 06-93316-002. The Call Center has received several calls pertaining to this LCL sensor introduced to in 2018. The purpose of this solution is to bring better awareness to the sensor functions, fault codes generated, along with providing testing procedures used to validate the sensors condition.
SB54-278
Service Bulletin/Repair Instructions
Updated Freightliner Service Bulletin for Powernet Troubleshooting Guide - Batteries, Path, Alternator, and Starter. This bulletin replaces the version dated 5/31/2017. Information is added about the BCT-460DTNA PowerNet Assessment Tool. When troubleshooting Powernet issues, use the BCT-460DTNA PowerNet Assessment Tool. As of May 29, 2018, the AutoMeterî is the only Daimler-approved tool for troubleshooting vehicle Powernet issues.
TechTalk7831
Service Bulletin/Repair Instructions
Tech Talk discussion on P4 bunk blower on low all the time after software updates.
17TS-05REV2
Service Bulletin/Repair Instructions
Revised Technical Service Letter for Detroit DT12 TCM GHG17 Only; Bootloader Update. On Detroit DT12 equipped vehicles, it may be necessary to complete an additional step in the programming process when updating the TCM software.
TechTalk5628
Service Bulletin/Repair Instructions
Tech Talk discussion on Cummins fault 4769. DEF tank level sensor fault.
20TS-06
Service Bulletin/Repair Instructions
DDC Technical Service Letter for GHG17 DD Platform Heavy Duty Oil Pan Drain Plug Inserts. Some GHG17 DD Platform Heavy Duty oil pans may experience an issue with the oil pan drain plug insert spinning during removal or installation while completing an oil change. Leaking may also be observed at the drain plug and/or other plugs in the oil pan.
18SP736
Service Bulletin/Repair Instructions
Detroit Diesel Special Publication informing about Heavy Duty Friction Style Belt Tensioner Kit. This heavy duty friction style belt tensioner kit contains the belt tensioner and two M10 bolts to correctly pin the friction style belt tensioner. The M10x80mm bolt is used to pin the engine cooling fan drive arm. The M10x50mm bolt is used to pin the engine accessory drive arm.
20TS-03REV2
Service Bulletin/Repair Instructions
Revised Technical Service Letter for DD Heavy Duty Platform Belt Tensioner Change. A newly designed, dual-arm friction shoe damping tensioner was implemented for the DD Heavy Duty Platform. The revision includes additional information on retrofit and service kits.
CALFTL20-003REV
Service Bulletin/Repair Instructions
Revised Customer Advisory Letter for Fan Hub Fastener Inspection in Business Class M2 Vehicles with DD5 Engines. The revision has updated inspection procedures. DTNA has determined that some GHG17 Detroit DD5 engines will need to have the fan hub bolts inspected for correct torque.
TechTalk4725
Service Bulletin/Repair Instructions
Tech Talk discussion about power steering fluid.
CALFTL20-003
Service Bulletin/Repair Instructions
Customer Advisory Letter for Fan Hub Fastener Inspection in Business Class M2 Vehicles with DD5 Engines. DTNA has determined that some GHG17 Detroit DD5 engines will need to have the fan hub bolts inspected for correct torque.
TechTalk7658
Service Bulletin/Repair Instructions
Tech Talk discussion on M-2 gauges inoperative at times.
TechTalk7679
Service Bulletin/Repair Instructions
Tech Talk discussion on repair verification for codes like 'low air flow' when a trailer is not available.
TechTalk4374
Service Bulletin/Repair Instructions
Tech Talk Discussion for M2 mirror shake. Vehicle has excessive mirror shake going down the road.
20CSA-15
Service Bulletin/Repair Instructions
Customer Service Announcement for Release of DiagnosticLink 8.12 Service Pack 2. On Thursday, September 3, 2020, Service Pack (SP) 2 for DiagnosticLink 8.12 Standard and Professional will be made available to download from the Detroit Diesel server.
CALFTL32-006
Service Bulletin/Repair Instructions
Customer Advisory Letter for Hendrickson Primaax EX 69,000 lb Tri-Axle Rear Air Suspension Height-Control Valve Relocation. The attached document provides work instructions for relocating the height-control valve downward 1.62 inches (41.3 mm) to prevent the linkage from protruding above the top flange of the frame when the suspension air is dumped.
ICI20-022R
Service Bulletin/Repair Instructions
Revised letter is to announce a reimbursement available to dealers for travel to a customer's location to perform a recall or field service campaign. Potential travel reimbursement applies to DTNA truck dealers and Detroit Diesel distributors. Thomas Built Buses will be addressed separately.
ICI20-024
Service Bulletin/Repair Instructions
Important Campaign Information letter announcing that SF605 for LED Step Lighting has been suspended. It has been determined that a change in the procedure is necessary. A second Important Campaign Information letter will be posted when the changes have been made and the campaign is reactivated.
SB54-315
Service Bulletin/Repair Instructions
Service Bulletin for Powertrain PDM and Main PDM Bracket Modiï¬Âcation. This bulletin replaces the version dated 10/31/2019. The build date section has been added.
ICI20-022
Service Bulletin/Repair Instructions
Important Campaign Information letter announcing Dealer Travel for Campaign Performance. This letter is to announce a reimbursement available to dealers for travel to a customerÃÂÃÂÃÂâÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂs location to perform a recall or field service campaign.
WI20-012
Service Bulletin/Repair Instructions
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
Service Bulletin/Repair Instructions
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 and optimize processes.
SB31-043
Service Bulletin/Repair Instructions
Freightliner Service Bulletin for Non-Airliner Rear Suspension Crossmember Fastener Change. With the start of production on March 2, 2020, the fasteners used to assemble the non-Airliner rear suspension (bogie) crossmember have changed. The rear suspension bogie crossmember gussets to the C-channel will be assembled with 5/8 - 18 fasteners. This change includes a revision to a higher friction nut that requires an increase in tightening torque. The new higher friction nut can be identified by its green color.
20CSA-10
Service Bulletin/Repair Instructions
Customer Service Announcement informing that Service Pack (SP) 1 for DiagnosticLinkÃÂÃÂÃÂÃÂÃÂÃÂÃÂî 8.12 Standard and Professional is available to download from the Detroit Diesel server.
20OEM-05
Service Bulletin/Repair Instructions
OEM and distributor announcement for DiagnosticLink 8.12 (Build 4527) was made available. All DTNA Service shops & OEM locations are required to maintain the latest version of software on each of their stations.
20TS-05
Service Bulletin/Repair Instructions
Technical Service Letter for EPA10, GHG14, GHG17 Diesel Particulate Filter (DPF) Compatibility. 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.
SB54-334
Service Bulletin/Repair Instructions
Service Bulletin for Front Lighting Ground Splice Pack Failure. The left and right hood lighting of these vehicles have separate ground paths to the frame and use the same splice pack parts. The splice packs are part of the hood commodity and located near the headlight assemblies. These splice packs can fail, resulting in either the left or right lighting becoming intermittent or inoperative.
20CSA-09
Service Bulletin/Repair Instructions
Customer Service Announcement for DiagnosticLink Software Update Reminder. 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.
SB60-171
Service Bulletin/Repair Instructions
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 disinfecting procedures fully and consistently. Ensure there is adequate ventilation when using chemicals. NOTICE: Wipe down fragile components carefully to avoid damaging the vehicle.
SF605
Service Bulletin/Repair Instructions
Field Service Campaign for LED Step Lighting. The frontwall harness that controls the LED step lighting is wired incorrectly. The frontwall harness will be repinned.
20OEM-04
Service Bulletin/Repair Instructions
OEM and distributor announcement for Running Change to ACM Software for MY2020. 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.
20TS-03REV
Service Bulletin/Repair Instructions
Revised Technical Service Letter for DD Heavy Duty Platform Belt Tensioner Change. A newly designed, dual-arm friction shoe damping tensioner was implemented for the DD Heavy Duty Platform.
20CSA-08
Service Bulletin/Repair Instructions
Customer Service Announcement for Release of DiagnosticLink 8.12. 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.
WI20-009
Service Bulletin/Repair Instructions
Warranty Information Letter for a Warranty Service Replacement Engine Program Clarification. 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.
20TS-03
Service Bulletin/Repair Instructions
Technical Service Letter for DD Heavy Duty Platform Belt Tensioner Change. A newly designed, dual-arm friction shoe damping tensioner was implemented for the DD Heavy Duty Platform.
SF599
Service Bulletin/Repair Instructions
Field Service Campaign for Allison Transmission Flex Plate Bolts. On certain vehicles with DD13 engines, incorrect bolts were installed in the flex plate. The flex plate bolts will be replaced.
WI20-008
Service Bulletin/Repair Instructions
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 through the AftermarkeTV Video Channel icon on the Aftermarket Resource Center (ARC) home page.
WP20-006
Service Bulletin/Repair Instructions
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 from another Authorized Service Location because the facing Part Distribution Center (PDC) is out of stock Retiring Detroit's Customer First Program
WP20-007
Service Bulletin/Repair Instructions
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 and labor may be covered under the Aftermarket Parts Limited Parts Warranty (Parts Warranty).
WP20-005
Service Bulletin/Repair Instructions
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) Aftermarket Parts Replacement Program.
WI20-004
Service Bulletin/Repair Instructions
Warranty Information Letter for Warranty Long Block Program Change. 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.
CAL80KSIFRAMEREV
Service Bulletin/Repair Instructions
Customer Advisory Letter revision for 80KSI Frame Reinforcement Installation for certain vehicles equipped with 80KSI frame rails and Airliner 21,000LB rear suspensions. This version adds Model Year 2020.
SB54-327
Service Bulletin/Repair Instructions
Service Bulletin for Lengthening the Backup Light Harness. Though the backup light harness is long enough to connect to the backup light switch, it may be short enough that the wire seals in the connector can be stressed. Moisture entering through the seals can cause corrosion, resulting in a bad connection and/or failure of the switch. As a result, backup lights and, if equipped, the backup alarm, may not function when the vehicle is shifted into reverse.
CALFTLWS000-01
Service Bulletin/Repair Instructions
Customer Advisory Letter for GWR Label Correction. Freightliner 108SD/114SD, Coronado, New Cascadia, and Business Class M2 vehicles and Western Star 4700 and 4900 vehicles equipped with a certain tire rating have the wrong Component GWR label. DTNA is requesting the current Component GWR label be replaced with the correct label.
SB32-033
Service Bulletin/Repair Instructions
Freightliner Service Bulletin for Front Axle Spacer Replacement. This service bulletin replaces the version dated 05/01/2016. This bulletin is updated to include the parts list. Some vehicles may exhibit a lean (right or left) due to weight difference on the front suspension. While this does not affect the operation of the vehicle, it may be visually unpleasing to many customers. To correct this condition, replace the existing front axle spacer on the low side of the vehicle with a thicker one.
SIB0201-20
Service Bulletin/Repair Instructions
Service Information Bulletin for Cylinder Block Porosity Repair for DD5 and DD8 egnines. 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.
20CSA-04
Service Bulletin/Repair Instructions
Customer Service Announcement saying that Service Pack (SP) 3 for DiagnosticLinkî 8.11 Standard and Professional will be available for download from the Detroit Diesel server.
SS1034679
Service Bulletin/Repair Instructions
Service Solution for M2 ABS Wiring Harness Rubs On Forward Cab Mount. ABS chassis harness is rubbing on the rear of the driver side forward cab mounting bracket on M2 106 trucks with a 160 MM Cab Hgt. This may cause open or shorted circuits in multiple wires in the harness transitioning from the chassis to the cab. Noticeable symptoms include illumination of the ABS and ATC indictor lamps.
03.2020 Campaign
Service Bulletin/Repair Instructions
Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and warranty managers.
SB00-038
Service Bulletin/Repair Instructions
Freightliner Service Bulletin for vibration troubleshooting - finding the cause. This version replaces the version dated 5/1/14 and adds New Cascadia.
WP20-002
Service Bulletin/Repair Instructions
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. Therefore, before welding anything on a frame rail, contact the applicable regional service representative for approval.
20CSA-03
Service Bulletin/Repair Instructions
Customer Service Announcement saying that Service Pack (SP) 2 for Diagnostic Link 8.11 Standard and Professional will be available for download from the Detroit Diesel server.
20TS-02
Service Bulletin/Repair Instructions
Technical Service Letter for DD Platform Heavy Duty, Metal in the Oil and Oil Filter. 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.
02.2020 Campaign
Service Bulletin/Repair Instructions
Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and warranty managers
SS1034558
Service Bulletin/Repair Instructions
Service Solution for OBD16 M2, C2, 108SD & 114SD Allison transmission not shifting due to harness chafing.
SB54-290
Service Bulletin/Repair Instructions
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.
WP20-001REV
Service Bulletin/Repair Instructions
Revision to a Warranty Policy Letter announcing the One Stop Supplier Extended Program Launch. 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.
20CSA-01
Service Bulletin/Repair Instructions
Customer Service Announcement for a policy change regarding Detroit Service Information Bulletins (SIBs) will now have a 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.
20CSA-02
Service Bulletin/Repair Instructions
Customer Service Announcement reminding service locations to update their DiagnosticLink software. 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.
CALFTL31-002REV
Service Bulletin/Repair Instructions
Revised Customer Advisory Letter for performing a Fifth Wheel Air-Operated Kingpin Release Functionality Inspection on vehicles equipped with a dash controlled fifth wheel air operated king pin release valve. This revision updates the Standard Repair Times (SRTs) in the work instructions section.
CALFTL31-002
Service Bulletin/Repair Instructions
Customer Advisory Letter for performing a Fifth Wheel Air-Operated Kingpin Release Functionality Inspection on vehicles equipped with a dash controlled fifth wheel air operated king pin release valve.
WP20-001
Service Bulletin/Repair Instructions
Warranty Policy Letter announcing the One Stop Supplier Extended Program Launch. 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.
SB83-119
Service Bulletin/Repair Instructions
Service Bulletin for A/C system receiver-drier replacement guidelines.
WI19-022
Service Bulletin/Repair Instructions
Warranty Information Letter announcing Detroit NOx Sensor Circuit Improvements for GHG17 After Treatment Systems
SB20-087
Service Bulletin/Repair Instructions
Service Bulletin for M2 Surge Tank Shunt Line Clamp Replacement. On some vehicles, the shunt line coolant hose is disconnecting from the surge tank and replacing the constant tension clamp with a Breezeî brand clamp resolves the issue.
19TS-12
Service Bulletin/Repair Instructions
Camshaft Position (CMP) sensor terminal fretting due to vibration for DD5 and DD8 engines.
SB54-319
Service Bulletin/Repair Instructions
Service Bulletin for severe duty main PDM installation for vehicles operating in severe moisture and/or corrosive environments.
SB98-015
Service Bulletin/Repair Instructions
Service Bulletin for paint finish standards. Delfleet One has been added for aftermarket use. This version replaces service bulletin dated May 5, 2017.
WP19-019
Service Bulletin/Repair Instructions
Warranty Policy letter announcing service locations have 90 calendar days from delivery to open a repair order which Identifies and addresses discrepancies from the sales order.
CAL Meritor Disc
Service Bulletin/Repair Instructions
Customer Advisory Letter concerning certain Meritor disc brake caliper mounting bolts. An inspection on certain vehicles will be performed.
19-016WP
Service Bulletin/Repair Instructions
WARRANTY POLICY LETTER- Hold disposition for Parts has been eliminated
19-018WI
Service Bulletin/Repair Instructions
WARRANTY INFORMATION LETTER for coverage validation
SB54-314
Service Bulletin/Repair Instructions
Service Bulletin describing changes made to the Powernet Distribution Box (PNDB) for better fuse retention.
SB9815
Service Bulletin/Repair Instructions
Service bulletin updating the Important Information section and adding instructions for proper visual inspection distance for paint finish standards.
19TS-4REV
Service Bulletin/Repair Instructions
Technical Service Letter Revision on heavy duty coolant oil module and oil filter change. Older modules will not be compatible with newer module.
17TS9
Service Bulletin/Repair Instructions
Technical Service Letter communicating that information on DD Heavy Duty Platform Belt and Belt Tensioner can be found on TechLit.
19-015WP
Service Bulletin/Repair Instructions
Warranty Policy Letter- To assist customers and the service network regarding the Aftermarket Parts Limited Parts Warranty (Parts Warranty).
19CSA-16
Service Bulletin/Repair Instructions
Customer Service Announcement that eParts is being retired and that PartsPro should be used instead for Detroit Engine Parts Information.
19TL-19
Service Bulletin/Repair Instructions
Tool Letter for DAVCO Shop Pro FXP 95-230V compatible for Chile and Italy Electrical Systems
19TL-20
Service Bulletin/Repair Instructions
Tool Letter for DAVCO Shop Pro FXP 95-230V compatible for Australia Electrical Systems.
00-023
Service Bulletin/Repair Instructions
Service Bulletin on Dealer Product Report
09-037
Service Bulletin/Repair Instructions
Service Bulletin for Air Cleaner Modifications for Dusty Environments
19TL-15
Service Bulletin/Repair Instructions
Tool Letter for ICC5 Programming Cable
SB32-054
Service Bulletin/Repair Instructions
Service Bulletin for Hendrickson HaulMaax Rear Suspension Transverse Torque Rod Tower Bracket Replacement
SB47-027
Service Bulletin/Repair Instructions
Service Bulletin for Equiflo Fuel System Breather Tube Inspection
WP19-014
Service Bulletin/Repair Instructions
Warranty Policy Change for Delivery-Related Changes: Electronic Proof of Delivery and Loose Component Claim Filing
15CSA-3REV
Service Bulletin/Repair Instructions
Customer Service Announcement Letter Revision for Dealers/Distributors Accessing DDEC Backdoor Passwords
19CSA-12 BCT
Service Bulletin/Repair Instructions
PowerNet Assessment Tool Repair Procedure
19TL-10 NVH
Service Bulletin/Repair Instructions
Communication to assist the field with service vibration issues on DTNA vehicles
19TL-12
Service Bulletin/Repair Instructions
Tool Letter for New Final Drive Pinion Cover Install Tool
19TL-14
Service Bulletin/Repair Instructions
Tool Letter for New Final Drive Driver Controlled Differential Lock Spring Compressor. These new axles require a new tool to compress the Driver Controlled Differential Lock (DCDL) spring. To remove and install the DCDL spring, the tool DSN0FDA17001 is needed.
19CSA-13
Service Bulletin/Repair Instructions
Service Systems Development provided document to service locations on price list reflects current charges to engine horsepower ratings for HDEP and MDEG engine platforms.
19TS-GHG17 DD13
Service Bulletin/Repair Instructions
Document sent out by Service Systems Development to fix issue related to DD13 engines built between June 5 and July 22, 2019 starting with ESN 471928S0697276,have some incorrect values set which can cause the fan to lock on at all times.
19-011WP
Service Bulletin/Repair Instructions
Warranty Policy Letter to communicate Detroit Return Changes
19-012WP
Service Bulletin/Repair Instructions
Warranty Policy Letter to communicate remarketing handling cap for Detroit DT12 Transmission.
19-013WI
Service Bulletin/Repair Instructions
Warranty Information Letter to announce addition of Thomas Built Bus as a brand with an Authorized Demonstrator Program
sb32-054
Service Bulletin/Repair Instructions
Service Bulletin to fix vehicles which may have an incorrect transverse torque rod tower bracket installed on the rear drive axles at the factory. This can result in cracking at the transverse rod tower where it is welded to the axle housing, premature wearing of the transverse torque rod tapered pin and bushings, and damage to the transverse torque rod frame bracket.
sb54299
Service Bulletin/Repair Instructions
Service Bulletin to provide instructions to replace Ignition Control System.The ICU3 is no longer installed in production, and has been superseded by the ICU3S. When replacing an ICU3, the ICU3S must be installed in its place.
19-010WI
Service Bulletin/Repair Instructions
Warranty Information Letter updated to communicate warranty system updates.
0202-19
Service Bulletin/Repair Instructions
Service Information Bulletin for DD5 Aftertreatment Systems - DPF End Cap
0305-19 SPN 2000
Service Bulletin/Repair Instructions
Service Information Bulletin for Communication Loss with a Common Powertrain Controller (CPC) Module (CPC Heartbeat Message is no Longer Arriving)
0419-19SPN521030
Service Bulletin/Repair Instructions
Updates to troubleshooting guides in Diagnostic Link with newest version
0607-19
Service Bulletin/Repair Instructions
Service Information Bulletin to updated the Fuel Injector Harness sections and relocated to Engine Electrical section.
0609-19
Service Bulletin/Repair Instructions
Service Information Bulletin for Symptom Diagnostics - Fluid in the Aftertreatment - Diesel Fuel Contamination.
18SP725Rev
Service Bulletin/Repair Instructions
This service kit includes all necessary parts to replace the high pressure fuel rail feed lines, mounting bracket, P-clips and mounting hardware in the event one of these parts are loosened, removed or missing from the engine.
19-008WI
Service Bulletin/Repair Instructions
Warranty Information Letter sent to customers regarding new refrigerator supplier for returning parts.
19TL-9
Service Bulletin/Repair Instructions
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 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.
19TS-6
Service Bulletin/Repair Instructions
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 the DOC inlet face and reduce downtime due to DOC face plugging.
SPN 3563 / FMI 2
Service Bulletin/Repair Instructions
HDEP GHG17 engines are not equipped with turbo wastegates. Steps in this troubleshooting involving wastegates were removed.
19-009WI
Service Bulletin/Repair Instructions
Warranty Information Letter - Expanded guidelines for paint-related claims sent out to Freightliner, Western star, Thomas Built Bus, Export and Direct warranty customers
DOC-1034452
Service Bulletin/Repair Instructions
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).
WSTCAE171-2019
Service Bulletin/Repair Instructions
Allison FuelSense 2.0
SS1033289
Service Bulletin/Repair Instructions
Service Solution SS 1033289 BHM Fault Code SPN 524249 / FMI 7
SS1032728
Service Bulletin/Repair Instructions
SS 1032728 Bulkhead Module Fault Codes 524280 thru 524286 with FMI 7 Clarification
SS1033180
Service Bulletin/Repair Instructions
Service Solution SS 1033180 BHM Fault Code SPN 524251 FMI 7 - Extr...
SS1032974
Service Bulletin/Repair Instructions
SS 1032974 High Oil Pressure on 2017 DTNA Vehicles Instrument Cluster Display
SS1033094
Service Bulletin/Repair Instructions
Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform...
TS1033014
Service Bulletin/Repair Instructions
Training Solutions for Fuel Leak Found at High Pressure Fuel Pump Weep Hole for Heavy Duty DD Engines. Occasionally we see trucks come in with fuel leaking from the high pressure fuel pump weep hole. This is NOT a defect in the pump and further diagnostics need to be performed to find the root cause.
SS1032998
Service Bulletin/Repair Instructions
Service Solution SS 1032998 M2 mirror wind noise
SS1032989
Service Bulletin/Repair Instructions
Service Solution SS 1032989 â BHM Fault Code Changes
FL688
Service Bulletin/Repair Instructions
Rear Brake Calipers and Anchor Plates.
Reading this report
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.