2021 Freightliner Econic SD technical service bulletins

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

• Oct 16, 2025 OtherCX Advocate for ConMet Oil Pan Insert Additional Issues
• Oct 1, 2024 OtherService Solution for Detroit Successful Regen Reference for GHG17 DD Engines
• Sep 19, 2024 OtherCX Advocate for MDEG Updates
• Aug 15, 2024 OtherCX Advocate for ConMet Oil Pan Insert Additional Failures
• Apr 19, 2021 Service bulletinWarranty Information letter announcing that DTNA is increasing the Standard Diagnostic Times (SDTs) shown
• Mar 22, 2021 Service bulletinWarranty Policy Letter for battery tags
• Feb 19, 2021 Service bulletinRevised Technical Service Letter for Fault Code SPN 2629 FMI 10 on GHG21 936.917 DD8 Dual Stage Turbo with...
• Feb 19, 2021 Service bulletinStarting on November 23, 2020, DiagnosticLink 8.13 (Build 4527) was made available
• Feb 15, 2021 Service bulletinWarranty Information Letter for Body Builder/Truck Equipment Manufacturer Demonstration Program.
• Feb 15, 2021 Service bulletinWarranty Information Letter for Detroit NOx Sensor Circuit Fault Codes
• Feb 15, 2021 Service bulletinSuperseding Letter to an Important Campaign Information Letter to announce a reimbursement available to...
• Feb 8, 2021 Service bulletinRevised Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance
• Feb 1, 2021 Service bulletinWarranty Information Letter for Detroit Resources: Exploded View DD Platform and DT12 Posters
• Dec 8, 2020 Service bulletinRevised Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing
• Dec 7, 2020 Service bulletinWarranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing
• Dec 6, 2020 Service bulletinTechnical Service Letter for Fault Code SPN 2629 FMI 10 on GHG21 936.917 DD8 Dual Stage Turbo with MCM...
• Oct 20, 2020 Service bulletinRevised Technical Service Letter for Detroit DT12 TCM GHG17 Only; Bootloader Update
• Aug 31, 2020 Service bulletinCustomer Service Announcement for Release of DiagnosticLink 8.12 Service Pack 2. On Thursday, September 3,...
• Aug 27, 2020 Service bulletinService Solution for EconicSD A/C Retro-Fit Instructions
• Aug 27, 2020 Service bulletinService Solution for EconicSD Radio Mute with Reverse
• Aug 27, 2020 Service bulletinService Solution for EconicSD Marker Light on with Ignition off and Battery Switch on Retro-Fit. This...
• Aug 25, 2020 Service bulletinService Solution for EconicSD Auto-Neutral Function Retro-Fit Instructions
• Aug 25, 2020 Service bulletinService Solution for EconicSD Battery Cut-Off Switch Retro-Fit. If customer wants to replace battery...
• Aug 25, 2020 Service bulletinService Solution for EconicSD RP170a Pin 29 Retro-Fit Instructions
• Aug 11, 2020 Service bulletinRevised letter is to announce a reimbursement available to dealers for travel to a customer's location to...
• Aug 3, 2020 Service bulletinWarranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance
• Aug 3, 2020 Service bulletinImportant Campaign Information letter announcing Dealer Travel for Campaign Performance
• Jul 27, 2020 Service bulletinCustomer Service Announcement informing that Service Pack (SP) 1 for DiagnosticLink® 8.12...
• Jul 27, 2020 Service bulletinOEM and distributor announcement for DiagnosticLink 8.12 (Build 4527) was made available
• Jul 27, 2020 Service bulletinTechnical Service Letter for EPA10, GHG14, GHG17 Diesel Particulate Filter (DPF) Compatibility
• Jul 23, 2020 Service bulletinCustomer Service Announcement for DiagnosticLink Software Update Reminder
• Jun 10, 2020 Service bulletinCustomer Service Announcement for Release of DiagnosticLink 8.12. On Wednesday, June 10, 2020,...
• Apr 24, 2020 Service bulletinCustomer Service Announcement saying that Service Pack (SP) 4 for DiagnosticLink 8.11 Standard and...
• Jul 11, 2017 Service bulletinSs 1032974