TSB-54-334-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for Front Lighting Ground Splice Pack Failure
Vehicle report
2023 FREIGHTLINER BUSINESS CLASS M2
Service bulletins
150 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.
WI26-009R
Other
Revised Warranty Information letter for missing chamber caging bolts
TS-0013-00
Other
Truck Equipment Manufacturer Solution for PTO Mode Delay for Driving PTO
TEM-11-00001
Other
Truck Equipment Manufacturer upfit guide for Detroit Assurance Forward Radar Relocation and Adjustment
WI26-009
Other
Warranty Information letter for missing chamber caging bolts
TS-0014-00
Other
Truck Equipment Manufacturer Solution for Detroit Assurance Parameters for an Obstructed Multi-Purpose Camera View
WI26-008
Other
Warranty Information letter for Reman Parts Usage Policy Reminder
TSB-54-384-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for Grote OEM and Alliance Aftermarket Headlamp Replacement
TSB-20-092-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for Isolator Radiator Mounting, Behr/Mahle
TS-0008-00
Other
Truck Equipment Manufacturer Solution for RSS with PTO Engagement
SS 583814
Other
Service Solution for A22-82459-000 Wiper Motor Wiring Connector Pinned Wrong (305)
CXA 03_26_ABS LA Fault
Other
CX Advocate for 1810/02 ABS longitudinal acceleration fault (TSB-54-104-WST,TSB-54-379-FTL)
CXA 03_26_Surge Tank
Other
CX Advocate for discolored coolant surge tanks (24CSA-20)
FleetCom_Hood Tilt CPC
Other
Fleet Communications for Hood Tilt CPC update and OI Comfort Mode parameters
FleetCom_ESC Warning Lamp
Other
Fleet Communications for TSB-54-379-FTL & TSB-54-104-WST ESC warning lamp and ECU replacement
FleetCom_PB-47-903-FTL
Other
Fleet Communications for parts bulletin on Fluorosilicone Fuel Tank Cap Seals
PB-47-903-FTL
Other
Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
MyCom_02102026-1
Other
My Communications for Alliance EX Value Brake Drum
MyCom_02062026-1
Other
My Communications for update on UFU R61709 Fuel Filters
MyCom_02042026-1
Other
My Communications for fifth wheel leg height changes
TSB-54-379-FTL
Service Bulletin/Repair Instructions
Revised Technical Service Bulletin for ESC Warning Lamp and ECU Replacement
CXA_01_26_Trans Support
Other
CX Advocate for Aftermarket Transmission Support
TSB-26-058-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for Transmission shift stalk
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
TSB54-377-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin Low Coolant Sensor
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
CXA_10_25_Tech Questions
Other
CX Advocate for technical questions/issues raised
CXA_10_25_TufTrac M12
Other
CX Advocate for TufTrac M12 Bolts (TSB-32-057-FTL)
TSB54-374-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for Disconnection of the Headlight Harness from the Headlight Assembly
TSB32-057-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for TufTrac M12 Bolts
CXA_9_25_Tech Questions
Other
CX Advocate for technical questions/issues raised
WI25-014
Other
Warranty Information letter for Power Steering Tank Venting Diagnostic Procedures Revision
MYCOM_09092025-1
Other
My communications for DTNA Announces Extended Coverage Policy Updates
MYCOM_09022025-1
Other
My Communications for UFI 0-Ring Announcement
TSB-26-001-DDC
Other
Technical Service Bulletin for DT12 Range Detent Diagnostic
CXA_8_25_TCM CAN
Other
CX Advocate for DT12 - TCM CAN communication issues with CPC
CXA_8_25_Tech Questions
Other
CX Advocate for technical questions/issues raised
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
24CSA-19Rev
Other
Revised Customer Service Annoucement for No Trouble Found Heavy Duty Engine Product (HDEP) Oil Separator Leaks
TSB88-048-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for New Grill Design
CXA 6_25_Headlight wiring
Other
CX Advocate for Headlamp Wiring Routing Concern (TSB54-374-FTL)
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
TSB26-056-FTL
Service Bulletin/Repair Instructions
Service Solution for DT12 Oil Plug Ports
FAB342
Other
Features and Benefits for Detroit Connect Base Service Renewal
FAB343
Other
Features and Benefits for Detroit Connect UpfrontService Extension
CXA 4_25_SS3172-FTL TPMS
Other
CX Advocate for TPMS water intrusion
TSB54-372-FTL
Service Bulletin/Repair Instructions
Revised Technical Service Bulletin for Connect 5 Instrument Cluster (ICC5) Nuisance Fault Code
CXA 3_25_ICC5 Nuisance
Other
CX Advocate for ICC5 nuisance fault code (TSB54-096-WST, TSB54-372-FTL)
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_BB Marker Lights
Other
CX Advocate for M2 and SD+ Bodybuilder Marker Lights Turn Off While Truck Lights Remain On
CXA 2_25_M2+ Basic ABS
Other
CX Advocate for M2+ With Basic ABS And No XBR Content Losing Throttle In Sharp Turns
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
SS3172-FTL
Other
Service Solution for Tire Pressure Monitoring System (TPMS) Water Intrusion Through Perimeter Seal
SS3143-FTL
Other
Revised Service Solution for M2 Plus Fault Code 232/524000/19- ECU CPC data error
TSB01-002-DDC
Service Bulletin/Repair Instructions
Technical Service Bulletin for Gen 5 DD13 Turbocharger Oil Return Line Cracks
TSB54-373-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for SAS01T to SAS03T Replacement Information
D24R7-Bulletin
Emissions
Emission Recall for DD8 EGR Monitor Software Reprogramming
D24R7-DLR LTR
Emissions
Emission Recall for DD8 EGR Monitor Software Reprogramming
D24R7-OWN LTR
Emissions
Emission Recall for DD8 EGR Monitor Software Reprogramming
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
SS3160-FTL
Other
Service Solution for M2+ PTO Mode Delay for Split Shaft PTO Operation
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
D24R2-Bulletin
Emissions
Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming
D24R2-DLR LTR
Emissions
Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming
D24R2-OWN LTR
Emissions
Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming
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_Crew Cab Rear
Other
CX Advocate for Crew Cab Rear Door Locks (SF701)
CXA 11_21_M2+ Basic ABS
Other
CX Advocate for M2+ With Basic ABS And No XBR Content Losing Throttle In Sharp Turns
CXA 11_21_M2+ Dome Light
Other
CX Advocate for M2+ dome light
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)
SS3158-FTL
Other
Service Solution for M2 and SD+ Bodybuilder Marker Lights Turn Off While Truck Lights Remain On
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_Reman Process
Other
CX Advocate for overview of the remanufacturing process.
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.
SF701-Bulletin
Service Campaign
Field Service Campaign for Crew Cab Rear Door Locks
SF701-DLR LTR
Service Campaign
Field Service Campaign for Crew Cab Rear Door Locks
SF701-OWN LTR
Service Campaign
Field Service Campaign for Crew Cab Rear Door Locks
24CSA-19
Other
Customer Service Annoucement for Heavy-Duty Engine Product (HDEP) Oil Separator Leaks
24CSA-20
Service Bulletin/Repair Instructions
Customer Service Annoucement for Discolored Coolant Surge Tank on Heavy Duty Engine Product (HDEP)
ICI24-036
Other
Important Campaign Information letter for SF679 – Revised Bulletin.
SF679-Bulletin
Service Campaign
Revised Field Service Campaign for Virtual Technician Module. 2nd REVISION:Certain vehicles in Group B with Cummins engines have been reassigned to the newly created Group E. The Parts table has been updated to include the mounting bracket and fasteners required for Virtual Technician installation. A new SRT has been added to Campaign Group E: 996-F175E ECU, VIRTUAL TECHNICIAN, POPULATION E, INSTALL (SF679), 0.8 hours. Additionally, the Work Instructions have been revised to provide supplementary details for installing the Virtual Technician on vehicles with Cummins engines that were missing the Common Powertrain Controller (CPC) mounting bracket.
SF679-DLR LTR
Service Campaign
Revised Field Service Campaign for Virtual Technician Module. 2nd REVISION:Certain vehicles in Group B with Cummins engines have been reassigned to the newly created Group E. The Parts table has been updated to include the mounting bracket and fasteners required for Virtual Technician installation. A new SRT has been added to Campaign Group E: 996-F175E ECU, VIRTUAL TECHNICIAN, POPULATION E, INSTALL (SF679), 0.8 hours. Additionally, the Work Instructions have been revised to provide supplementary details for installing the Virtual Technician on vehicles with Cummins engines that were missing the Common Powertrain Controller (CPC) mounting bracket.
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
SS3153-FTL
Other
Service Solution for M2 Plus Crew Cab Dome Light Does Not Activating With Rear Doors
SS3118-FTL
Other
Service Solution for M2 & SD Freightliner End of FrameLighting Doesn't Sync with Body Lighting
SS3125-FTL
Other
Service Solution for XMC 20amp and 5amp High Side Drivers(Digital Output) Load Sensing
CXA 8_24_AutoElevate Disa
Other
CX Advocate for AutoElevate Disablement Gen5 Engines
CXA 8_24_AutoElevate and
Other
CX Advocate for benefits of Autoelevate and hydrocarbon faults
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
FICM Cleaning
Other
Cleaning Gen5 Engine Fuel Injectors
FICM Email
Other
Fuel Injector Cleaner Updated Procedure
FICM Priming
Other
Fuel Injection Cleaning Machine Priming Procedures
FICM Setup
Other
Draft Fuel Injection Cleaning Machine (FICM) Setup Instructions
CXA 7_24_AutoElevate Disa
Other
CX Advocate for AutoElevate Disablement Gen5 Engines
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.
CXA 7_24_Reman Process
Other
CX Advocate for overview of the remanufacturing process.
CXA 7_24_Reman Process V2
Other
CX Advocate for overview of the remanufacturing process.
CALFTL13-001
Service Bulletin/Repair Instructions
Customer Advisory Letter for Proactive Resonator and Suction Line Replacement
SS3148-FTL
Other
Service Solution for M2 Plus, Missing EMPTO 1 request wire in the Power Train Interface Connector (PTIC)
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
CXA 06_24_Oil Lines
Other
CX Advocate communication for oil lines disconnecting
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.
MYCOM_05302024-2
Service Bulletin/Repair Instructions
My Communications for Rescindment of Recall FL999 Alcoa Steer Wheel Inner Flange
TSB35-042-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for New Final Drive Over Heat Diagnostic
TSB54-363-FTL
Service Bulletin/Repair Instructions
Technical Service Bulletin for Air Conditioner Clutch Continuously Engaged on M2 Plus Vehicles
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.
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.
SF683
Service Bulletin/Repair Instructions
Field Service Campaign for Detroit Engine Fan HVAC Integration
ICI24-004
Service Bulletin/Repair Instructions
Important Campaign Information letter for SF679 Bulletin Revision. REVISION: The parts table has been updated.
SF679
Service Bulletin/Repair Instructions
Revised Field Service Campaign for Virtual Technician Module. REVISION: The parts table has been updated.
ICI23-043
Service Bulletin/Repair Instructions
Important Campaign Information Letter for SF680 Allison TCM Software Update / TT9108EN
SF672_V4
Service Bulletin/Repair Instructions
Revised Field Service Campaign for Common Telematics Platform Software Update
CALFTL42-009
Service Bulletin/Repair Instructions
Customer Advisory Letter for 6-Inch Slack Adjusters Causing the Brakes to Over-Adjust and Drag
ICI23-028
Service Bulletin/Repair Instructions
Important Campaign Information Letter for SF670 Campaign Reactivation
ICI23-027
Service Bulletin/Repair Instructions
Important Campaign Information Letter for SF670 Campaign Suspended
SF670
Service Bulletin/Repair Instructions
Field Service Campaign for Heated Fuel Water Separator
CALFTL54-030
Service Bulletin/Repair Instructions
Customer Advisory Letter for Bendix Blind Spotter Sensor Installation
SF672
Service Bulletin/Repair Instructions
Field Service Campaign for Common Telematics Platform Software Update
CALFTL54-028
Service Bulletin/Repair Instructions
Customer Advisory Letter for Business Class M2 and 108SD 114SD BCA Fuse Mounting Nuts Torque Inspection
MYCOM_11232022
Service Bulletin/Repair Instructions
My Communications for M2 and SD Neutral at Stop Requirement. In alignment with the Canadian GHG Phase II policy, DTNA will now require a Neutral at Stop specification on all 2023 M2 106 (Legacy and Plus) models domiciled in Canada with Cummins B6.7, L9, Allison Transmission and all vocations.
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.