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.

• 10178947Aug 14, 2020Engine cooling. Detroit Diesel Field Service Campaign for DETROIT Reman Built HDEP Engines - Incorrect Gear Train Bolt Torque. The gear train mounting bolts need to be checked for proper torque and adjusted as needed.
• 10178943Aug 14, 2020Equipment, Transmission and drivetrain. Updated Service Bulletin for DT12 Transmission Cooler Retrofit. This bulletin replaces the version dated 09/18/2019. The part number for the oil control valve has been updated in the parts table.
• 10177606Jul 30, 2020Brakes. Freightliner Service Bulletin for Meritor Steer Axle Drum Brake Squeal. Some Cascadia and New Cascadia vehicles equipped with Meritor steer axle drum brakes with a front axle rating less than 13,300 lb (6038 kg) have experienced brake squealing noise when the service brakes are applied at lower speeds. NOTE: This is a nuisance noise issue and not a failure. The solution given in this service bulletin may fix this…
• 10177604Jul 28, 2020Equipment, Suspension. Freightliner Service Bulletin for Non-Airliner Rear Suspension Crossmember Fastener Change. With the start of production on March 2, 2020, the fasteners used to assemble the non-Airliner rear suspension (bogie) crossmember have changed. The rear suspension bogie crossmember gussets to the C-channel will be assembled with 5/8 - 18 fasteners. This change includes a revision to a higher friction nut that requires an…
• 10177692Jul 27, 2020Engine cooling. Technical Service Letter for EPA10, GHG14, GHG17 Diesel Particulate Filter (DPF) Compatibility. Note: This document supersedes 14 TS-25 and 15 TS-8. Detroit Diesel has determined that some, Diesel Particulate Filters (DPFs) are compatible in pairs and or can be mixed together within EPA10 and GHG14 Systems. For 1-BOX and Two-Box Configuration Aftertreatment Systems (ATS), this is only possible when the filters are…
• 10177646Jul 23, 2020Visibility (wipers, defrost, mirrors). Service Bulletin for Reflective Tape Installation. If a truck tractor is ordered without mudflaps and/or mudflap support brackets, the rear reflective tape applied to the mudflaps or mudflap brackets during production is delivered loose with the vehicle. FMVSS/CMVSS 108 S5.7.1.4.3 requires reflective tape on all truck tractors domiciled in the United States and Canada.
• 10177648Jul 10, 2020Body and structure. Service Bulletin for Guidelines for Cleaning and Disinfecting Cab Surfaces. The following guidelines are for cleaning and disinfecting commonly touched surfaces on the inside and outside of a vehicle. For best results, follow cleaning and disinfecting procedures fully and consistently. Ensure there is adequate ventilation when using chemicals. NOTICE: Wipe down fragile components carefully to avoid damaging the…
• 10176997Jun 29, 2020Latches, locks and linkages, Body and structure. Service Bulletin for Chassis Side-Fairing Kickplate Magnet Replacement. On Freightliner Cascadia and New Cascadia vehicles manufactured before May 20, 2019, and equipped with side-fairings, the magnets that hold the kickplate closed may corrode and prevent the kickplate from staying in the closed position.
• 10174399Apr 29, 2020Exterior lighting. Service Bulletin for Marker Light Gasket Leaks, Cascadia. This bulletin replaces the version dated June 17, 2019. A procedure has been added for inspection, repair, and replacement of damaged or spun rivet nuts.
• 10174376Apr 27, 2020Equipment. Warranty Information Letter for Warranty Training Online. DTNA is pleased to announce the release of new Warranty-related training videos. The videos provide Warranty content in short instructional videos that are available on demand through the AftermarkeTV Video Channel icon on the Aftermarket Resource Center (ARC) home page.
• 10174068Apr 23, 2020Electrical system, Engine cooling. Updated DDC Field Service Campaign for GHG14 DETROIT DD13 with Two-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. Certain sections have been updated for clarity.
• 10174061Apr 23, 2020Equipment. Warranty Policy Letter for Chassis Progressive Damage Policy Change. Effective for repair orders opened on or after April 27, 2020, if an Authorized Service Location installed a part which later has a warrantable failure, progressive damage and labor may be covered under the Aftermarket Parts Limited Parts Warranty (Parts Warranty).
• 10174060Apr 23, 2020Equipment. Warranty Policy Letter for Handling for Authorized Service Location Part Transfers. To promote 24-hour throughput and maximum efficiency, DTNA is adjusting multiple handling policies: Launching a new handling allowance for parts ordered from another Authorized Service Location because the facing Part Distribution Center (PDC) is out of stock Retiring Detroit's Customer First Program
• 10174052Apr 22, 2020Equipment. Warranty Policy Letter for Handling Change: Over the Counter Aftermarket Parts Replacement Program. DTNA is pleased to announce that handling will increase to 33% for Misc. Replacement Part type claims filed under the Over the Counter (OTC) Aftermarket Parts Replacement Program.
• 10173907Apr 21, 2020Equipment, Engine cooling. Warranty Information Letter for Warranty Long Block Program Change. The Detroit Reman Long Block Program has expanded. The expansion reduces complexity in ordering reman engines and promotes stocking reman engines to meet uptime commitments.
• 10173905Apr 21, 2020Body and structure. Service Bulletin for Draining Water Trapped in the Upper A-Pillar. A water leak in the seams between the cab roof and cab side wall or back wall can result in water becoming trapped in the upper A-pillar area in some Cascadia and New Cascadia vehicles. This water may migrate inside the cab and eventually spill through the marker light fastener clearance holes and drip on the dash.
• 10173896Apr 17, 2020Visibility (wipers, defrost, mirrors). Service Bulletin for Replacing Windshield Gasket. Different types of cab leaks can result in water dripping from the top of the windshield, onto the dash. Replacing a windshield gasket unnecessarily may create new leak issues. Do not replace a windshield gasket unless it has been confirmed to leak, using the cab pressure test.
• 10173894Apr 17, 2020Electrical system, Back-over prevention (rear camera). Service Bulletin for Lengthening the Backup Light Harness. Though the backup light harness is long enough to connect to the backup light switch, it may be short enough that the wire seals in the connector can be stressed. Moisture entering through the seals can cause corrosion, resulting in a bad connection and/or failure of the switch. As a result, backup lights and, if equipped, the backup alarm, may not function…
• 10172025Mar 4, 2020Equipment. Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and warranty managers
• 10171911Mar 2, 2020Electrical system. Customer Advisory Letter that an inspection to determine if the high current breaker has been bypassed.
• 10170320Jan 17, 2020Electrical system. Service Solution for Meritor Wabco OnGuard Radar Service Alignment. If the radar sensor needs to be aligned, the radar sensor mounting system has become damaged or has loosened, or new radar sensor software has been installed, a Radar Sensor Service Alignment will need to be performed.
• 10169693Jan 2, 2020Equipment, Electrical system, Exterior lighting. Service Solution for Legacy Cascadia, where trailer turn signals or 4-way flashers used in applications with high duty cycles, the left and right turn signals may experience shortened relay life.
• 10168040Nov 19, 2019Electrical system, Equipment. Service Bulletin for Cascadia Cabin CAN ECU Compatibility. Compatible software levels are required for the proper operation of the vehicle.
• 10166965Nov 1, 2019Electrical system, Equipment. Service Bulletin describing Cascadia cabin CAN ECU compatibility. This document replaces version from July 2015.
• 10166962Nov 1, 2019Equipment. Service Bulletin revision to an earlier submission of SB54-308 for October 2019 (19MC2968). The prior submission added new screenshots. This revision adds clarification for vehicle programming.
• 10166798Oct 29, 2019Equipment. Service bulletin describing that the DiagnoticLink screen images for Chassis ECU programming have ben updated.
• 10166792Oct 29, 2019Engine cooling. Important Campaign Information notice for field service campaign D18M3 being revised which added additional repair information,
• 10166787Oct 28, 2019Engine cooling. Field Service Campaign Revision for heavy duty engine platform oil suction manifold. Additional repairs section added.
• 10166516Oct 25, 2019Engine cooling. Tool Letter for updating Cascadia and Western Star 5700 oil-to-air coolers. To be used with service bulletins SB26-051 and SB26004 respectively.
• 10166432Oct 25, 2019Engine cooling. Technical Service Letter communicating that information on DD Heavy Duty Platform Belt and Belt Tensioner can be found on TechLit.
• 10165493Sep 30, 2019Electrical system, Engine cooling. Service Solution to fix coolant level wiring damage.
• 10165427Sep 27, 2019Engine cooling, Equipment. Tool Letter for ICC5 Programming Cable
• 10165416Sep 27, 2019Fuel system. Service Bulletin for Equiflo Fuel System Breather Tube Inspection
• 10165413Sep 27, 2019Transmission and drivetrain. Service Bulletin for DT12 PTO Upfit
• 10165412Sep 27, 2019Transmission and drivetrain. Service Bulletin for DT12 Transmission Cooler Retrofit
• 10164624Sep 9, 2019Equipment, Transmission and drivetrain. Tool Letter for DT12 Seal Protector Sleeve
• 10164623Sep 9, 2019Equipment. Tool Letter for New Tool Kit Replacement Components DDE DKICHA018006 Components 1, 2 and 3
• 10164534Sep 6, 2019Engine cooling. Customer Advisory Letter for Oil Suction Manifold Replacement
• 10164531Sep 6, 2019Transmission and drivetrain. Field Service Campaign for Remanufactured Detroit DT12 Transmissions
• 10164441Sep 4, 2019Engine cooling, Equipment. Revised Field Service Campaign for Heavy Duty Engine Platform Oil Suction Manifold on DD3, DD15, DD16 Engines for Model Year 2014
• 10164416Sep 4, 2019Visibility (wipers, defrost, mirrors), Electrical system. Service Bulletin to address wiper issue. On some Cascadia vehicles, when a request for wiper activation is made the wipers may not function. This can result from an overcurrent condition, which causes the wipers to stop functioning and immediately set fault code SPN 522215 FMI 6.
• 10164414Sep 4, 2019Electrical system. Service Bulletin to provide instructions to replace Ignition Control System.The ICU3 is no longer installed in production, and has been superseded by the ICU3S. When replacing an ICU3, the ICU3S must be installed in its place.
• 10164410Sep 4, 2019Equipment, Body and structure. Service Bulletin to replace the white drip shield and secondary SAM cover on the SAM Cabin, with a new one-piece drip shield.
• 10164406Sep 4, 2019Visibility (wipers, defrost, mirrors), Electrical system. Service Bulletin to fix wiper motor issue. On some Cascadia wiper park brush that rides against the brush plate may wear and may result in a diminished wiper park signal.
• 10163634Aug 7, 2019Fuel system, Engine cooling. Service Information Bulletin for Symptom Diagnostics - Fluid in the Aftertreatment - Diesel Fuel Contamination.
• 10163633Aug 7, 2019Engine cooling. Service Information Bulletin regarding PTO Dosing. This feature enables Active Regeneration of the DPFs while in PTO mode.
• 10163632Aug 7, 2019Electrical system, Engine cooling. Service Information Bulletin for Communication Loss with a Common Powertrain Controller (CPC) Module (CPC Heartbeat Message is no Longer Arriving)
• 10163630Aug 7, 2019Engine cooling. Service Information Bulletin to updated the Fuel Injector Harness sections and relocated to Engine Electrical section.
• 10163626Aug 7, 2019Engine cooling. Service Bulletin to testing of EGR Cooler Water Manifold Assembly in DD13 engines.
• 10163625Aug 7, 2019Engine cooling, Equipment. HDEP GHG17 engines are not equipped with turbo wastegates. Steps in this troubleshooting involving wastegates were removed.

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