2020 Freightliner Business Class M2 technical service bulletins
254 technical service bulletins and manufacturer communications cover the 2020 Freightliner Business Class M2, including one warranty extension.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair...
- Technical Service Bulletin for Grote OEM and Alliance Aftermarket Headlamp Replacement
- Service Solution for A22-82459-000 Wiper Motor Wiring Connector Pinned Wrong (305)
- Service Solution for Legacy M2 Bulkhead Module (BHM) Replacement and DiagnosticLink Issues
- My Communications for update on UFU R61709 Fuel Filters
- Fleet Communications for Heater Core Plugging
- Fleet Communications for NFD Lower Oil Plug Location
- Revised Field Service Campaign for Beverage Body Frame Rail 50 KSI
- My Communications for Update to DTNA parts on UFU R61709
- CX Advocate for ConMet Oil Pan Insert Additional Issues
- CX Advocate for Experiencing Excessive Purging from Air Dryer
- My Communications for UFI 0-Ring Announcement
- My Communications for UPDATE TO DTNA PARTS QUALITY ALERT STOCK HOLD on UFU R61709
- My Communications for Parts Hold on UFU Filter
- Technical Service Bulletin for New Grill Design
- Parts Bulletin for Tie Rod Assembly Part Breakdown
- Service Solution for Legacy M2 Bulkhead Module (BHM) Replacement and Diagnosticlink Issue
- CX Advocate for NOx conversion low faults
- CX Advocate for SAS01T to SAS03T replacement (TSB54-373-FTL, TSB54-097-WST)
- CX Advocate for turbo oil drain cracking
- Revised Service Solution for M2 Plus Fault Code 232/524000/19- ECU CPC data error
- Important Campaign Information letter for SF695 – Campaign Replaced by F1012
- Technical Service Bulletin for SAS01T to SAS03T Replacement Information
- CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test...
- CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault.
- CX Advocate for repairing seat occupancy sensor (TSB 91-016-FTL)
- Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top...
- CX Advocate for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed (SS 3155-FTL)
- Technical Service Bulletin for Repairing Seat Occupancy Sensor for ISRI, SEARS and National Truck Seats
- Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change...
- Service Solution for M2 mirror wind noise
- Parts Bulletin for Powertrain Power Distribution Module (PTPDM) Kit Replacement
- Service Solution for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed
- CX Advocate for Legacy M2 – Misrated Engines in Emergency Vehicles (SF695)
- Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
- CX Advocate for MDEG Updates
- Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change...
- CX Advocate for ConMet Oil Pan Insert Additional Failures
- CX Advocate for NOx conversion low faults
- Customer Advisory Letter for Proactive Air Compressor, Resonator, and Suction Line Replacement
- Important Campaign Information Letter for SF695 – Cummins Engine Emergency Vehicle Calibration
- Revised Important Campaign Inofrmation letter for SF671
- Revised Field Service Campaign for Beverage Body Frame Rail 50 KSI. REVISION: 3 new SRTs and repair...
- CX Advocate communication for NOx conversion low faults
- CX Advocate communication for clutch bolts
- Technical Service Bulletin for New Final Drive Over Heat Diagnostic
- Service Solution for Thread Spring Pin Suspension Alignment & Installation
- Field Service Campaign Owner Reminder Postcard small population
- Field Service Campaign Owner Reminder Postcard large population
- Customer letter regarding variable speed water pump.
- My Communications for SSI DEF Header Warranty Policy Extension for B6 7 Engines Model Years 2017-2021
- Extended Warranty Policy for certain Cummins B6.7 engines with SSI DEF headers for EPA and CARB Emissions...
- Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
- Important Campaign Information letter for SF671 Campaign Suspended
- Important Campaign Information letter for SF671
- Revised Field Service Campaign for Beverage Body Frame Rail 50 KSI. REVISION: If you find modifications to...
- Revised Emissions Recall: Cummins DEF Sensor Shortage
- Important Campaign Information letter for FL974
- Important Campaign Information letter for SF669 Campaign Suspended
- Emissions Recall: Cummins DEF Sensor Shortage
- Field Service Campaign for Beverage Body Frame Rail 50 KSI
- Field Service Campaign for Adaptive Cruise Control
- Revised Field Service Campaign for Common Telematics Platform Software Update
- Field Service Campaign for Common Telematics Platform Software Update
- Important Campaign Information letter communicating that SF660 Field Service Campaign is Replaced by FL967.
- Revised Field Service Campaign for Drag Link Tapered Joint
- Field Service Campaign for Drag Link Tapered Joint
- Revised Freightliner Service Bulletin for Replacing an Auto Baud Rate Detecting Bulkhead Module with a...
- Updated Freightliner Service Bulletin for Heater Hose Reduced Clearance May
- Freightliner Service Bulletin for DEF Connector Reinforcement Caps.
- Customer Advisory Letter for M2 Front Steer Arm â Drag Link Ball Joint Connection Inspection
- Service Solution for DD8 Engine Harness Chafing Air Compressor Suction Line.
- Freightliner Service Bulletin for Heater Hose Clearance
- Freightliner Service Bulletin for Insulated Automatic Transmission Cover Plate
- Tech Talk Discussion Inoperative Driver's Side Headlight
- Tech Talk Discussion M2. Rumble Strip Sound cuts out radio
- Freightliner Field Service Campaign for Freightliner M2 DD5 Fan Hub Fasteners
- Tech Talk Discussion Turn Signals
- Service Solution for M2,108SD, 114SD Coolant Level Sensor P/N 06-93316-002
- Customer Advisory Letter for 80KSI Frame Reinforcement Installation on specific Business Class M2 equipped...
- Updated Service Bulletin for upgrading BHM software for switch expansion module fault SPN 698 FMI 7.
- Warranty Information letter announcing that DTNA is increasing the Standard Diagnostic Times (SDTs) shown
- Warranty Information Letter announcing DTNA is adjusting the Standard Repair Times (SRTs) shown
- Updated Freightliner Service Bulletin for Rerouting Wiring Harness to Reduce Chafing
- Updated Freightliner Service Bulletin for Espar Service Information
- Warranty Policy Letter for battery tags
- Service Solution for M2 Rear Suspension Knock
- Revised Freightliner Service Bulletin for netized Fill Neck for Six-Gallon DEF Tanks
- Email from DDC Service Engineering regarding a fuel pump replacement on a population of 18 MY2019-2021...
- Freightliner Service Bulletin for Programming Chassis Electronic Control Units (ECUs) With DiagnosticLink.
- Revised Technical Service Letter for Fault Code SPN 2629 FMI 10 on GHG21 936.917 DD8 Dual Stage Turbo with...
- Starting on November 23, 2020, DiagnosticLink 8.13 (Build 4527) was made available
- Tech Talk discussion on KUS fuel sending units.
- Warranty Information Letter for Body Builder/Truck Equipment Manufacturer Demonstration Program.
- Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes
- Tech Talk discussion on 2020 M2 106 J1939 ISSUES.
- Tech Talk continued discussion on NEW M2 DD8 TURBO OUTLET TEMP SENSOR.
- Revised Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance
- Tech Talk continued discussion on WABCO ABS SYSTEM.
- Warranty Information Letter for Detroit Resources: Exploded View DD Platform and DT12 Posters
- Tech talk continued discussion on WABCO ABS SYSTEM.
- Customer Advisory Letter for Freightliner M2 Forward-Frame Extension Hood Mount Bracket Gusset Installation.
- Revised Freightliner Service Bulletin for Axle Flange Gasket Replaced with O-Ring
- Tech Talk discussion on M2 DD8 TURBO OUTLET TEMP SENSOR.
- Freightliner Service Bulletin for Access to Front Brake Zerk Fittings
- Tech Talk discussion on WABCO ABS SYSTEM.
- Revised Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing
- Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing
- Technical Service Letter for Fault Code SPN 2629 FMI 10 on GHG21 936.917 DD8 Dual Stage Turbo with MCM...
- Revised Customer Advisory Letter for Hendrickson Primaax EX 69,000 lb Tri-Axle Rear Air Suspension...
- Tech Talk discussion on M2 repeatedly burning F19 fuse.
- Customer Advisory Letter for Updating the RP170 Customer Access Connector and Adding Overlays for J1939
- Updated Freightliner Service Bulletin for Powernet Troubleshooting Guide
- Tech Talk discussion on P4 bunk blower on low all the time after software updates.
- Revised Technical Service Letter for Detroit DT12 TCM GHG17 Only; Bootloader Update
- Tech Talk discussion on Cummins fault 4769
- DDC Technical Service Letter for GHG17 DD Platform Heavy Duty Oil Pan Drain Plug Inserts
- Freightliner Service Bulletin for Axle Flange Gasket Replaced with O-Ring
- Detroit Diesel Special Publication informing about Heavy Duty Friction Style Belt Tensioner Kit. This...
- Revised Technical Service Letter for DD Heavy Duty Platform Belt Tensioner Change
- Revised Customer Advisory Letter for Fan Hub Fastener Inspection in Business Class M2 Vehicles with DD5...
- Tech Talk discussion about power steering fluid.
- Customer Advisory Letter for Fan Hub Fastener Inspection in Business Class M2 Vehicles with DD5 Engines
- Tech Talk discussion on repair verification for codes like 'low air flow' when a trailer is not available.
- Tech Talk discussion on M-2 gauges inoperative at times.
- Tech Talk Discussion for M2 mirror shake
- Customer Service Announcement for Release of DiagnosticLink 8.12 Service Pack 2. On Thursday, September 3,...
- Customer Advisory Letter for Hendrickson Primaax EX 69,000 lb Tri-Axle Rear Air Suspension Height-Control...
- Revised letter is to announce a reimbursement available to dealers for travel to a customer's location to...
- Important Campaign Information letter announcing that SF605 for LED Step Lighting has been suspended
- Service Bulletin for Powertrain PDM and Main PDM Bracket Modiï¬cation
- Warranty Information Letter informing that to ensure that DTNA policies and service network practices...
- Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance
- Important Campaign Information letter announcing Dealer Travel for Campaign Performance
- Freightliner Service Bulletin for Non-Airliner Rear Suspension Crossmember Fastener Change
- Customer Service Announcement informing that Service Pack (SP) 1 for DiagnosticLinkÃÂÃÂÃÂî 8.12...
- OEM and distributor announcement for DiagnosticLink 8.12 (Build 4527) was made available
- Technical Service Letter for EPA10, GHG14, GHG17 Diesel Particulate Filter (DPF) Compatibility
- Service Bulletin for Front Lighting Ground Splice Pack Failure
- Customer Service Announcement for DiagnosticLink Software Update Reminder
- Service Bulletin for Guidelines for Cleaning and Disinfecting Cab Surfaces
- Freightliner Service Bulletin for Rerouting Wiring Harness to Reduce Chafing
- Field Service Campaign for LED Step Lighting
- Revised Technical Service Letter for DD Heavy Duty Platform Belt Tensioner Change
- OEM and distributor announcement for Running Change to ACM Software for MY2020
- Warranty Information Letter for a Warranty Service Replacement Engine Program Clarification
- Customer Service Announcement for Release of DiagnosticLink 8.12. On Wednesday, June 10, 2020,...
- Technical Service Letter for DD Heavy Duty Platform Belt Tensioner Change
- Field Service Campaign for Allison Transmission Flex Plate Bolts
- Warranty Information Letter for Warranty Training Online
- Warranty Policy Letter for Handling for Authorized Service Location Part Transfers
- Warranty Policy Letter for Chassis Progressive Damage Policy Change
- Warranty Policy Letter for Handling Change: Over the Counter Aftermarket Parts Replacement Program
- Warranty Information Letter for Warranty Long Block Program Change
- Service Bulletin for Lengthening the Backup Light Harness
- Customer Advisory Letter revision for 80KSI Frame Reinforcement Installation for certain vehicles equipped...
- Customer Advisory Letter for GWR Label Correction
- Freightliner Service Bulletin for Front Axle Spacer Replacement
- Service Information Bulletin for Cylinder Block Porosity Repair for DD5 and DD8 egnines
- Customer Service Announcement saying that Service Pack (SP) 3 for DiagnosticLink® 8.11 Standard and...
- Service Solution for M2 ABS Wiring Harness Rubs On Forward Cab Mount
- Warranty Policy Letter explaining the Warranty Department is aligning with the frame rail repair policy,...
- Freightliner Service Bulletin for vibration troubleshooting
- Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and...
- Customer Service Announcement saying that Service Pack (SP) 2 for Diagnostic Link 8.11 Standard and...
- Technical Service Letter for DD Platform Heavy Duty, Metal in the Oil and Oil Filter
- Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and...
- Service Solution for OBD16 M2, C2, 108SD & 114SD Allison transmission not shifting due to harness chafing.
- Revision to a Warranty Policy Letter announcing the One Stop Supplier Extended Program Launch
- Service Bulletin for Guidelines for Repairing or Replacing an Electrical Harness
- Revised Customer Advisory Letter for performing a Fifth Wheel Air-Operated Kingpin Release Functionality...
- Customer Service Announcement for a policy change regarding Detroit Service Information Bulletins (SIBs)...
- Customer Service Announcement reminding service locations to update their DiagnosticLink software
- Customer Advisory Letter for performing a Fifth Wheel Air-Operated Kingpin Release Functionality...
- Warranty Policy Letter announcing the One Stop Supplier Extended Program Launch
- Service Bulletin on guidelines for repairing or replacing an electrical harness.
- Service Bulletin for A/C system receiver-drier replacement guidelines.
- Warranty Information Letter announcing Detroit NOx Sensor Circuit Improvements for GHG17 After Treatment...
- Service Bulletin for M2 Surge Tank Shunt Line Clamp Replacement
- Camshaft Position (CMP) sensor terminal fretting due to vibration for DD5 and DD8 engines.
- Service Bulletin for severe duty main PDM installation for vehicles operating in severe moisture and/or...
- Service Bulletin for upgrading BHM software for switch expansion module fault SPN 698 FMI 7.
- Warranty Policy letter announcing service locations have 90 calendar days from delivery to open a repair...
- Service Bulletin for paint finish standards
- Service Bulletin revision to an earlier submission of SB54-308 for October 2019 (19MC2968)
- Service Bulletin about the powertrain PDM and Main PDM bracket being modified to reduce stress and...
- Customer Advisory Letter concerning certain Meritor disc brake caliper mounting bolts
- Service bulletin updating the Important Information section and adding instructions for proper visual...
- Service bulletin describing that the DiagnoticLink screen images for Chassis ECU programming have ben updated.
- Warranty policy letter
- Service Bulletin describing changes made to the Powernet Distribution Box (PNDB) for better fuse retention.
- WARRANTY INFORMATION LETTER for coverage validation
- Technical Service Letter Revision on heavy duty coolant oil module and oil filter change
- Technical Service Letter communicating that information on DD Heavy Duty Platform Belt and Belt Tensioner...
- Customer Service Announcement that eParts is being retired and that PartsPro should be used instead for...
- Warranty Policy Letter- To assist customers and the service network regarding the Aftermarket Parts...
- Tool Letter for DAVCO Shop Pro FXP 95-230V compatible for Chile and Italy Electrical Systems
- Tool Letter for DAVCO Shop Pro FXP 95-230V compatible for Australia Electrical Systems.
- Service Bulletin on Dealer Product Report
- Service Bulletin for Air Cleaner Modifications for Dusty Environments
- Service Bulletin for Hendrickson HaulMaax Rear Suspension Transverse Torque Rod Tower Bracket Replacement
- Service Bulletin for Equiflo Fuel System Breather Tube Inspection
- Warranty Policy Change for Delivery-Related Changes: Electronic Proof of Delivery and Loose Component...
- Tool Letter for ICC5 Programming Cable
- PowerNet Assessment Tool Repair Procedure
- Communication to assist the field with service vibration issues on DTNA vehicles
- Tool Letter for New Final Drive Pinion Cover Install Tool
- Tool Letter for New Final Drive Driver Controlled Differential Lock Spring Compressor
- Customer Service Announcement Letter Revision for Dealers/Distributors Accessing DDEC Backdoor Passwords
- Document sent out by Service Systems Development to fix issue related to DD13 engines built between June 5...
- Service Systems Development provided document to service locations on price list reflects current charges...
- Service Bulletin to provide instructions to replace Ignition Control System.The ICU3 is no longer...
- Service Bulletin to fix vehicles which may have an incorrect transverse torque rod tower bracket installed...
- Warranty Information Letter to announce addition of Thomas Built Bus as a brand with an Authorized...
- Warranty Policy Letter to communicate remarketing handling cap for Detroit DT12 Transmission.
- Warranty Policy Letter to communicate Detroit Return Changes
- Warranty Information Letter updated to communicate warranty system updates.
- This service kit includes all necessary parts to replace the high pressure fuel rail feed lines, mounting...
- Warranty Information Letter sent to customers regarding new refrigerator supplier for returning parts.
- DTNA Special Tools Group has approved the use of Haweka Axis4000 aftermarket alignment system for use on...
- Updates to troubleshooting guides in Diagnostic Link with newest version
- The modified parked regeneration strategy has been standard on GHG17 units since the start of GHG17...
- HDEP GHG17 engines are not equipped with turbo wastegates
- Service Information Bulletin for DD5 Aftertreatment Systems
- Service Information Bulletin to updated the Fuel Injector Harness sections and relocated to Engine...
- Service Information Bulletin for Communication Loss with a Common Powertrain Controller (CPC) Module (CPC...
- Service Information Bulletin for Symptom Diagnostics
- Warranty Information Letter
- Training Solution created by DTNA to provide guidance to customers when searching for service information...
- Service Bulletin provided to customers regarding ICU3 to ICU3S Replacement
- Allison FuelSense 2.0
- Service Solution SS 1033289 BHM Fault Code SPN 524249 / FMI 7
- Ss 1032728
- Service Solution SS 1033180 BHM Fault Code SPN 524251 FMI 7
- Ss 1032974
- Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform...
- Training Solutions for Fuel Leak Found at High Pressure Fuel Pump Weep Hole for Heavy Duty DD Engines
- Service Solution SS 1032998 M2 mirror wind noise
- Service Solution SS 1032989 – BHM Fault Code Changes
- Rear Brake Calipers and Anchor Plates.
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