2014 Freightliner Cascadia Technical Service Bulletins

904 technical service bulletins (TSBs) are on record for the 2014 Freightliner Cascadia. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11016328Mar 26, 2025Other or unknown. Technical Service Bulletin for Load Dump Switch Inspection and Installation on Dometic Refrigerators
• 11007487Aug 15, 2024Engine. Important Campaign Information letter for DDC D23M3 - Campaign Reactivated and Extended. Field Service Campaign D23M3 - GHG17 DETROITTM DD16® Vibration Damper Replacement has been extended for an additional 6 months.
• 10210548Apr 13, 2022Transmission and drivetrain. Important Campaign Information Letter for DDC D21M1 Termination Date Extended. This letter is to inform you that a revised bulletin for Detroit Diesel Field Service Campaign D21M1, DT12 Transmission Drive Shaft Cover Plug Reseal has been EXTENDED for an additional three months. Please use the extended termination date for all work under D21M1 from this point forward. REVISION: D21M1 termination date extended to…
• 10209296Mar 2, 2022Engine cooling. Revised Freightliner Service Bulletin for ParkSmart Eberspaecher Auxiliary Heater Service. This bulletin replaces the version dated May 2015. The note in General Information has been revised to include New Cascadia. Espar information has been changed to reflect a company name change to Eberspaecher.
• 10208389Feb 15, 2022Engine cooling. Freightliner Service Bulletin for DEF Connector Reinforcement Caps.
• 10207408Jan 3, 2022Body and structure. Revised Freightliner Service Bulletin for Braces for Cascadia Cab-Mounted Splash Shields. Minor note: added an update of document previously submitted. The related VMRS codes are added
• 10199899Jun 14, 2021Body and structure. End of Production for the Freightliner P3 Cascadia Sales Cabs. Due to low production volumes, DTNA will be discontinuing the production of the Freightliner Cascadia P3 Sales Cabs.
• 10194890May 27, 2021Electrical system. TechTalk Discussion P3 ICU stays on Key off
• 10194810May 20, 2021Electrical system, Exterior lighting, Equipment. Tech Talk continued discussion on Trailer ABS light on even when truck off.
• 10191779Apr 26, 2021Equipment, Electrical system, Brakes. Tech Talk continuing discussion on ABS 11 SPN 807.
• 10191149Apr 23, 2021Transmission and drivetrain. Service Solution for FTL DT12 Trans Control Harness Chaffing - PT Can faults. Transmission will not shift into Gear while driving or will not start and trigger multiple PT CAN Fault Codes.
• 10191143Apr 19, 2021Transmission and drivetrain. Detroit Field Service Campaign for DT12 Transmission Drive Shaft Cover Plug Reseal. Daimler Trucks North America LLC, on behalf of its DETROIT Powertrain Division, is initiating Field Service Campaign D21M1 on certain DT12 transmissions in order to reseal the bypass plugs of the drive shaft cover located in front housing.
• 10190555Apr 19, 2021Engine cooling. Detroit Technical Service Letter for DD13 Cylinder Head and Cylinder Head Gasket Change.
• 10190551Apr 19, 2021Engine cooling. Warranty Information letter announcing that DTNA is increasing the Standard Diagnostic Times (SDTs) shown. The updated after treatment system (ATS) diesel exhaust fluid (DEF) pump times will be applied to repair orders opened on or after April 12, 2021.
• 10191145Apr 6, 2021Engine cooling. Detroit Emission Recall for GHG14 DETROIT DD13 with Two-Box Aftertreatment Software Reprogramming. Certain Detroit Model Year 2013 to 2015 GHG14 DD13 engines that are registered in the state of California will require reprogramming to a minimum of the MCM and ACM software versions.
• 10190549Apr 6, 2021Equipment. Warranty Information Letter announcing DTNA is adjusting the Standard Repair Times (SRTs) shown. The updated times will be applied to repair orders opened on or after April 5, 2021.
• 10189340Mar 24, 2021Equipment. Updated Freightliner Service Bulletin for Espar Service Information. This bulletin replaces the version dated January 1, 2015. New Cascadia has been added to the model list.
• 10190020Mar 10, 2021Equipment, Transmission and drivetrain. DTNA received a field notification on multiple units regarding diagnostic fault codes that were found to be causing issues to the After Treatment Control Module (ACM). These fault codes indicated that the ACM communication message was not received by the Motor Control Module (MCM) which in certain cases, led to a 25% engine de-rate situation. Further diagnosis revealed that the DT12 wiring harness was chafing and…
• 10187532Feb 25, 2021Equipment, Engine cooling. Freightliner Service Bulletin for Programming Chassis Electronic Control Units (ECUs) With DiagnosticLink.
• 10187892Feb 19, 2021Engine cooling. DDC Field Service Campaign for GHG14 DETROIT DD13 with One-Box Aftertreatment Software Reprogramming. Certain Detroit Model Year 2013 to 2015 GHG14 DD13 engines that are registered in California will require reprogramming to a minimum of the MCM software version and fuel map version listed below: MCM Software Version 4.7.0.0 ZGS 005.
• 10188034Feb 17, 2021Electrical system. Tech Talk discussion on VSS Jumper Harness.
• 10187979Feb 5, 2021Brakes, Electrical system. Tech Talk discussion on ABS 11 SPN 807.
• 10188135Feb 4, 2021Transmission and drivetrain. Tech Talk continuing discussion on EATON CLUTCH IN DT12.
• 10186624Feb 2, 2021Engine cooling. Discussion on issue regarding Eaton clutch installation
• 10187880Feb 1, 2021Electrical system, Exterior lighting, Equipment. Tech Talk continued discussion on Trailer ABS light on even when truck off.
• 10186548Jan 30, 2021Electrical system, Exterior lighting, Equipment. Tech Talk discussion on Trailer ABS light on even when truck off.
• 10185896Jan 17, 2021Equipment, Engine cooling. Warranty Information Letter for Detroit New Service Replacement Engine SRT Update. While validating Standard Repair Times (SRTs) for Detroit's new Gen 5 engine series, DTNA discovered an error in a pre-Gen 5 SRT for the New Service Replacement Engine Program. As a result, DTNA re-studied the SRT and concluded that time for removing/re-installing multiple components (e.g., exhaust manifold/turbo, engine sensor…
• 10184874Dec 31, 2020Engine cooling. Tech Talk continuing discussion on intake manifold pressure too low.
• 10184785Dec 23, 2020Transmission and drivetrain. Revised Freightliner Service Bulletin for Axle Flange Gasket Replaced with O-Ring. Revision removed steps instructing removal and installation of wheels. Daimler Trucks North America has released a new axle shaft to hub rubber O-ring (part number 11-30728-000) as a replacement for the paper gasket (part number 11-14418-000). The new O-ring will provide better sealing and is reusable.
• 10184029Dec 8, 2020Steering, Transmission and drivetrain. Revised Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. Revisions are in blue. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured Alliance/Mascot parts include transmission, differential, steering gear, and steering pump used in an on-highway vehicle applications.
• 10183988Dec 7, 2020Transmission and drivetrain, Steering, Equipment. Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured Alliance/Mascot parts include transmission, differential, steering gear, and steering pump used in an on-highway vehicle applications.
• 10183733Dec 6, 2020Engine cooling. Technical Service Letter for SPN 3711 FMI 31 on GHG17 DD15 Trucks.
• 10184890Dec 4, 2020Electrical system. Tech Talk Discussion on ECU power down not completed.
• 10183954Nov 30, 2020Engine cooling, Fuel system, Equipment. Special Publication letter for Two-Filter Fuel System KM59 GEN1 DD15 DD16 Severe Duty High Pressure Fuel Rail Feed Lines Service Kit.
• 10183735Nov 30, 2020Transmission and drivetrain. Revised Service Bulletin for DT12 PTO Upfit. This bulletin replaces the version dated 09/13/2019. DDCSN and Power Service Literature references have been removed.
• 10183403Nov 30, 2020Engine cooling, Equipment, Brakes. Tech Talk discussion on service brakes lock up when using engine brakes.
• 10183559Nov 24, 2020Equipment, Engine cooling. Tech Talk discussion on ICU displays No Trans day after CPC was replaced.
• 10183441Nov 13, 2020Engine cooling, Electrical system. Tech Talk discussion on NOx Conversion / DPF Ash Volume.
• 10183396Nov 3, 2020Equipment, Engine cooling. Tech Talk discussion on Intake manifold pressure too low.
• 10181759Oct 27, 2020Electrical system, Equipment. Updated Freightliner Service Bulletin for Powernet Troubleshooting Guide - Batteries, Path, Alternator, and Starter. This bulletin replaces the version dated 5/31/2017. Information is added about the BCT-460DTNA PowerNet Assessment Tool. When troubleshooting Powernet issues, use the BCT-460DTNA PowerNet Assessment Tool. As of May 29, 2018, the AutoMeter® is the only Daimler-approved tool for troubleshooting…
• 10181049Oct 7, 2020Transmission and drivetrain, Equipment. Freightliner Service Bulletin for Axle Flange Gasket Replaced with O-Ring. Daimler Trucks North America has released a new axle shaft to hub rubber O-ring (part number 11-30728-000) as a replacement for the paper gasket (part number 11-14418-000). The new O-ring will provide better sealing and is reusable. It is quicker and easier to use compared to the paper gasket, because using a paper gasket requires cleaning…
• 10181972Oct 2, 2020Engine cooling, Fuel system. Tech Talk discussion on Engine dies, shuts off, no CEL no faults, due to clogged vent.
• 10181849Sep 29, 2020Seat belts. Joyson Safety Systems letter informing DTNA about Hikone Webbing Investigation. JSS is near completion of an initial investigation regarding data integrity issues at the seatbelt webbing manufacturing facility in Hikone, Japan acquired from Takata in April of 2018.
• 10180081Sep 24, 2020Engine cooling. Tech Talk Discussion for DD15 GHG14 EGR linkage hex nuts.
• 10180350Sep 22, 2020Steering, Equipment. Tech Talk discussion about power steering fluid.
• 10180382Sep 15, 2020Engine cooling. Tech Talk discussion on repair verification for codes like 'low air flow' when a trailer is not available.
• 10180356Sep 6, 2020Engine cooling, Equipment. Tech Talk discussion on Cascadia DD15 fault code SPN 3597 FMI 4 and SPN 3463 FMI 16.
• 10179878Sep 1, 2020Engine cooling, Equipment. Detroit Diesel Field Service Campaign for Engine Emission Label Replacement. Certain DETROIT heavy-duty engines installed in various applications will require reprogramming and engine emission label replacement.
• 10179249Aug 31, 2020Engine cooling, Equipment, Electrical system. Customer Service Announcement for Release of DiagnosticLink 8.12 Service Pack 2. On Thursday, September 3, 2020, Service Pack (SP) 2 for DiagnosticLink 8.12 Standard and Professional will be made available to download from the Detroit Diesel server.
• 10179148Aug 25, 2020Engine cooling. Service Solution for P3 - CEL On and Engine de-rate due to ATD Chassis Harness Circuit 532M5+ at DEF Heater Supply location is shorted. Harness part number A66-03217-002 has been reported experiencing failures due to damages to 532M5+ circuit shorting /or corrosion in terminals at Connector (23-13053-200) harness location "ATD_CHAS_F_O_HTR_LINE_DEF_5B" .

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