2021 Freightliner 122SD technical service bulletins
104 technical service bulletins and manufacturer communications cover the 2021 Freightliner 122SD, 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...
- Fleet Communications for solenoid issues
- Fleet Communications for Heater Core Plugging
- Fleet Communications for NFD Lower Oil Plug Location
- CX Advocate for ConMet Oil Pan Insert Additional Issues
- CX Advocate for TufTrac M12 Bolts (TSB-32-057-FTL)
- CX Advocate for Experiencing Excessive Purging from Air Dryer
- Technical Service Bulletin for TufTrac M12 Bolts
- CX Advocate for NOx conversion low faults
- Technical Service Bulletin for GHG17 and Newer DD Platform Heavy Duty Oil Pan Drain Plug Inserts
- CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test...
- Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top...
- Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change...
- Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
- CX Advocate for NFD fill plugs
- Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change...
- Important Campaign Information letter for DDC D23M3
- CX Advocate for ConMet Oil Pan Insert Additional Failures
- CX Advocate for NOx conversion low faults
- CX Advocate communication for NOx conversion low faults
- CX Advocate communication for clutch bolts
- Customer letter regarding variable speed water pump.
- Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
- Revised Emissions Recall: Cummins DEF Sensor Shortage
- Important Campaign Information letter for FL974
- Emissions Recall: Cummins DEF Sensor Shortage
- 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
- Freightliner Service Bulletin for DEF Connector Reinforcement Caps.
- ConMet Front Hub to Rotor Fasteners
- 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
- Warranty Policy Letter for battery tags
- Revised Freightliner Service Bulletin for netized Fill Neck for Six-Gallon DEF Tanks
- Freightliner Service Bulletin for Programming Chassis Electronic Control Units (ECUs) With DiagnosticLink.
- Revised Technical Service Letter for Cold Weather Faults on GHG17/21 DD13 with MCM Software Version 14....
- Starting on November 23, 2020, DiagnosticLink 8.13 (Build 4527) was made available
- Technical Service Letter for Gen 5 DD15 Instrument Panel Oil Pressure Gauge Operation
- Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes
- Superseding Letter to an Important Campaign Information Letter to announce a reimbursement available to...
- Revised Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance
- Tech Talk continued discussion 2021 122SD.
- Warranty Information Letter for Detroit Resources: Exploded View DD Platform and DT12 Posters
- Tech Talk discussion 2021 122SD.
- Warranty Information Letter for Detroit Bearing Failures
- Technical Service Letter for Detroit Bearing Failures
- Tech Talk discussion on Coronado sd122 roof lights turn off when high beams are on
- Revised Freightliner Service Bulletin for Axle Flange Gasket Replaced with O-Ring
- Freightliner Service Bulletin for Access to Front Brake Zerk Fittings
- 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 SPN 3711 FMI 31 on GHG17 DD15 Trucks.
- Special Publication letter for Two-Filter Fuel System KM59 GEN1 DD15 DD16 Severe Duty High Pressure Fuel...
- Updated Freightliner Service Bulletin for Powernet Troubleshooting Guide
- Revised Technical Service Letter for Detroit DT12 TCM GHG17 Only; Bootloader Update
- Technical Service Letter for Cold Weather Faults on GHG17/21 DD13 with MCM Software Version 14. Due to...
- 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
- Tech Talk discussion about power steering fluid.
- Tech Talk discussion on repair verification for codes like 'low air flow' when a trailer is not available.
- Customer Service Announcement for Release of DiagnosticLink 8.12 Service Pack 2. On Thursday, September 3,...
- Important Campaign Information Letter informing that revised bulletins for Detroit Diesel campaigns...
- Engine and engine cooling
- Detroit Emissions Recall for GHG21 Detroit DD13 Model Year 2020 Software Reprogramming
- Revised letter is to announce a reimbursement available to dealers for travel to a customer's location to...
- 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
- Customer Service Announcement for DiagnosticLink Software Update Reminder
- Service Bulletin for Guidelines for Cleaning and Disinfecting Cab Surfaces
- Revised Technical Service Letter for DD Heavy Duty Platform Belt Tensioner Change
- 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
- Warranty Information Letter for Warranty Training Online
- Customer Service Announcement for Gen 5 DD15 Customer Demo Units
- 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
- Freightliner Service Bulletin for Front Axle Spacer Replacement
- Freightliner Service Bulletin for vibration troubleshooting
- Ss 1033638
- Service Solution SS 1033219 Eaton Transmission Fault Code 25 Persi...
- Ss 1032974
- Training Solutions for Fuel Leak Found at High Pressure Fuel Pump Weep Hole for Heavy Duty DD Engines
- Freightliner Action Bulletin FAB161 Watson and Chalin Suspension
- DEF Tank Coolant Valve O-Ring Kit
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