Vehicle report

2024 FREIGHTLINER BUSINESS CLASS M2

Service bulletins

191 bulletins

Technical 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.

TSB-54-334-FTL

Service Bulletin/Repair Instructions

Technical Service Bulletin for Front Lighting Ground Splice Pack Failure

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

TSB-54-100-WST

Service Bulletin/Repair Instructions

Revised Technical Service Bulletin for Removing Odometer Pause Wiring Modifications

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_ECP Module

Other

Fleet Communications for ECP (Electronic Control Pneumatic) Module Water Ingress

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

CXA 11_25_ECP Modules

Other

CX Advocate for ECP (Electronic Control Pneumatic) Modules, possible water ingress

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_Odometer Pause

Other

CX Advocate for Removing Odometer Pause Wiring Modifications (TSB-54-375-FTL, TSB-54-100-WST)

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)

TSB54-371-FTL

Service Bulletin/Repair Instructions

Technical Service Bulletin for Enabling Virtual Regen Request Switch in ICU Menu

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_MDEG Updates

Other

CX Advocate for MDEG Updates

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_KY AEB

Other

CX Advocate for KY AEB Notice

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

TSB54-375-FTL

Service Bulletin/Repair Instructions

Technical Service Bulletin for Removing Odometer Pause Wiring Modifications

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

KY AEB Notice

Other

Customer letter for Detroit Assurance Kentucky Interstate 71 Road Hazard

CXA 7_25_DA Bracket

Other

CX Advocate for Detroit Assurance MPC/DFC/RLS Bracket Double Sided Adhesive Failures

TSB88-048-FTL

Service Bulletin/Repair Instructions

Technical Service Bulletin for New Grill Design

CXA 6_25_Boom Indicator

Other

CX Advocate for Boom Out of Stow Indicator Missing (SF693/SF707)

CXA 6_25_Headlight wiring

Other

CX Advocate for Headlamp Wiring Routing Concern (TSB54-374-FTL)

CXA 6_25_MDEG Updates

Other

CX Advocate for MDEG Updates

PB33-004-FTL

Service Bulletin/Repair Instructions

Parts Bulletin for Tie Rod Assembly Part Breakdown

SF707-Bulletin

Service Campaign

Field Service Campaign for XMC Installation Boom-Out-of-Stow Indicator

SF707-DLR LTR

Service Campaign

Field Service Campaign for XMC Installation Boom-Out-of-Stow Indicator

SF707-OWN LTR

Service Campaign

Field Service Campaign for XMC Installation Boom-Out-of-Stow Indicator

SS3175-FTL

Other

Service Solution for Progressive Low Voltage Disconnect Parameter Update

CXA_5_25_MDEG Updates

Other

CX Advocate for CX Advocate for MDEG Updates

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

CXA 4_25_SS3175-FTL Volt

Other

CX Advocate for Progressive Low Voltage Disconnect Parameter Update

CXA 3_25_MDEG Updates

Other

CX Advocate for CX Advocate for MDEG Updates

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 3_25_Wheel Seals

Other

CX Advocate for wheel seals

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_DA Fault Code

Other

CX Advocate for M2 Plus, 47X, 49X Fault Code 232/524000/19- ECU CPC data error

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_MDEG Updates

Other

CX Advocate for CX Advocate for MDEG Updates

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

D24M5-Bulletin

Service Campaign

Detroit Field Service campaign for 2024 HDEP ACM Software Reprogramming.

D24M5-DLR LTR

Service Campaign

Detroit Field Service campaign for 2024 HDEP ACM Software Reprogramming.

D24M5-OWN LTR

Service Campaign

Detroit Field Service campaign for 2024 HDEP ACM Software Reprogramming.

CALFTL13-003

Service Bulletin/Repair Instructions

Revised Customer Advisory Letter for 114SD’s Ordered with 2-Cylinder Air Compressors Delivered Without Pressure Relief Valve

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_MDEG Updates

Other

CX Advocate for CX Advocate for MDEG Updates

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

CALFTL54-035

Service Bulletin/Repair Instructions

Customer Advisory Letter for Enabling Virtual Regen Request Switch in ICU Menu

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

Detroit FAB 327

Other

Updated Detroit Ferightliner Action Bulletin for Detroit Connect Safety Plus

CXA 11_21_Boom Out

Other

CX Advocate for Boom Out of Stow (SF693)

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)

CXA 11_21_MDEG Updates

Other

CX Advocate for CX Advocate for MDEG Updates

SS3156-FTL

Other

Service Solution for M2, SD Park brake check valve may be improperly plumbed causing brakes to drag

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

ICI24-045

Other

Important Campaign Information letter for SF691 Campaign Suspended

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

ICI24-040

Other

Important Campaign Information letter for SF691 - Revised Bulletin

PB01-009

Other

Parts Bulletin for Powertrain Power Distribution Module (PTPDM) Kit Replacement

SF691-Bulletin

Service Campaign

Revised Field Service Campaign for M2 Plus Work Brake. REVISION: Additional vehicles have been added to the campaign, and a new campaign group (B) has been included. The work instructions for group B, along with a new SRT, have been incorporated into the bulletin.

SF691-DLR LTR

Service Campaign

Revised Field Service Campaign for M2 Plus Work Brake. REVISION: Additional vehicles have been added to the campaign, and a new campaign group (B) has been included. The work instructions for group B, along with a new SRT, have been incorporated into the bulletin.

SS3155-FTL

Other

Service Solution for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed

SF693-Bulletin

Service Campaign

Field Service Campaign for Boom Out of Stow Indicator

SF693-DLR LTR

Service Campaign

Field Service Campaign for Boom Out of Stow Indicator

SF693-OWN LTR

Service Campaign

Field Service Campaign for Boom Out of Stow Indicator

CXA 10_17_Regen switch

Other

CX Advocate for No Virtual Regen Request Switch with Cummins (TSB54-371-FTL)

CXA 10_17_Reman Process

Other

CX Advocate for overview of the remanufacturing process.

CXA 10_17_Work Brake

Other

CX Advocate for Work Brake Update (SF691)

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.

CXA_10_17_MDEG Updates

Other

CX Advocate for MDEG Updates

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

WP24-017

Warranty Program/Extension

Warranty Policy Letter for Steering Wheel Centering Policy Amendment

Alcoa/Howmet Inspection

Other

Customer Letter for Alcoa/Howmet wheel flanges

CALFTL82-001

Service Bulletin/Repair Instructions

Customer Advisory Letter for Windshields Missing Lytx Opening

CXA 9_24_DOC In Temp Low

Other

CX Advocate for ACM Fault 3711/31 DOC In Temp Low 2023 MDEG Engine Builds

CXA 9_24_MDEG Updates

Other

CX Advocate for MDEG Updates

CXA 9_24_Park Brake

Other

CX Advocate for unwanted park brake warning (TSB54-365-FTL)

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

TSB54-365-FTL

Service Bulletin/Repair Instructions

Technical Service Bulletin for Disabling the ‘Park Brake Set / Door Open’ Warning and Changing the Part Number in the sSAM02T Module

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_DOC In Temp Low

Other

CX Advocate for ACM Fault 3711/31 DOC In Temp Low 2023 MDEG Engine Builds

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_DOC In Temp Low

Other

CX Advocate for ACM Fault 3711/31 DOC In Temp Low 2023 MDEG Engine Builds

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.

SS3150-FTL

Other

Service Solution for ECP Solenoid Interim Service Replacement Parts

ICI24-026

Service Campaign

Important Campaign Information letter for SF691 Campaign Suspended

CXA 06_24_Clutch Bolts

Other

CX Advocate communication for clutch bolts

CXA 06_24_MCM Fault

Other

CX Advocate communication for MCM fault integrated NOx flow rate low

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

SF691-OWN LTR

Service Campaign

Field Service Campaign for M2 Plus Work Brake

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

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

SS3147-FTL

Other

Service Solution for M2+ Split Shaft PTO Configuration with DD13 engines

VSWP Customer Letter

Other

Customer letter regarding variable speed water pump.

SF684-Bulletin

Service Campaign

Field Service Campaign regarding Freightliner M2 Plus Transmission Gauge.

SF684-DLR LTR

Service Campaign

Field Service Campaign regarding Freightliner M2 Plus Transmission Gauge.

SF684-OWN LTR

Service Campaign

Field Service Campaign regarding Freightliner M2 Plus Transmission Gauge.

ICI24-018

Service Bulletin/Repair Instructions

Important Campaign Information letter for SF687 Revised Bulletin

SF687

Service Bulletin/Repair Instructions

Revised Field Service Campaign for Under-Hood Utility Lamp

SS3144-FTL

Service Bulletin/Repair Instructions

Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller

ICI24-016

Service Bulletin/Repair Instructions

Important Campaign Information letter for SF687 Campaign Suspended

SF690

Service Bulletin/Repair Instructions

Revised Field Service Campaign for SiriusXM SDAR Antenna. REVISION: A step was added (step two) to the work instruction directing the technicians to Park the vehicle on a level surface, shut down the engine, set the parking brake and chock the tires before proceeding to work on the campaign.

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

SS3128

Service Bulletin/Repair Instructions

Service Solution for M2+ Park Brake Reminder

CALFTL42-009

Service Bulletin/Repair Instructions

Customer Advisory Letter for 6-Inch Slack Adjusters Causing the Brakes to Over-Adjust and Drag

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

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.