2015 Freightliner CascadiaService bulletins
2015 Freightliner Cascadia Technical Service Bulletins
837 technical service bulletins (TSBs) are on record for the 2015 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.
- 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…
- 10172974Mar 30, 2020Suspension. Freightliner Service Bulletin for Front Axle Spacer Replacement. This service bulletin replaces the version dated 05/01/2016. This bulletin is updated to include the parts list. Some vehicles may exhibit a lean (right or left) due to weight difference on the front suspension. While this does not affect the operation of the vehicle, it may be visually unpleasing to many customers. To correct this condition, replace…
- 10172649Mar 20, 2020Engine cooling, Equipment. Customer Service Announcement saying that Service Pack (SP) 3 for DiagnosticLinkî 8.11 Standard and Professional will be available for download from the Detroit Diesel server.
- 10172579Mar 17, 2020Equipment. Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and warranty managers.
- 10172574Mar 17, 2020Equipment, Suspension. Freightliner Service Bulletin for vibration troubleshooting - finding the cause. This version replaces the version dated 5/1/14 and adds New Cascadia.
- 10172547Mar 17, 2020Body and structure, Equipment. Warranty Policy Letter explaining the Warranty Department is aligning with the frame rail repair policy, published in DTNA Workshop Manuals, which states that there are very few cases in which welding a heat-treated frame rail is allowed. Therefore, before welding anything on a frame rail, contact the applicable regional service representative for approval.
- 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.
- 10171369Feb 14, 2020Equipment, Engine cooling. Important Campaign Information Letter announcing that a revision for Detroit Diesel Field Service Campaign D19M7, Pre-Series Cascadia Emission Label Replacement is available. The Corrective Procedure section of the bulletin has been clarified.
- 10171368Feb 14, 2020Engine cooling, Equipment. Revision for Field Service Campaign for pre-series Cascadia and New Cascadia Emission Label replacement. The corrective procedure section has been clarified.
- 10171360Feb 14, 2020Electrical system. Service Bulletin for Guidelines for Repairing or Replacing an Electrical Harness. Use the guidelines in this bulletin to determine if a damaged electrical harness should be repaired or replaced.
- 10170855Jan 31, 2020Engine cooling, Equipment. Customer Service Announcement for a policy change regarding Detroit Service Information Bulletins (SIBs) will now have a 60-day expiration, starting on the release day of the bulletin. The intent of a SIB is to notify the service network of a major change to one or more service procedures. Do not save SIBs nor reference them for repairs, as they are uncontrolled and never updated.
- 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.
- 10170265Jan 16, 2020Visibility (wipers, defrost, mirrors). Service Bulletin for A/C system receiver-drier replacement guidelines.
- 10170264Jan 16, 2020Electrical system. Service Bulletin on guidelines for repairing or replacing an electrical harness.
- 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.
- 10169692Jan 2, 2020Electrical system, Equipment. Customer Advisory Letter for improved battery cable and routing improvements.
- 10169683Jan 2, 2020Equipment, Engine cooling. Field Service Campaign for pre-series Cascadia and New Cascadia Emission Label Replacement
- 10169679Jan 2, 2020Electrical system, Engine cooling, Equipment. Warranty Information Letter announcing Detroit NOx Sensor Circuit Improvements for GHG17 After Treatment Systems
- 10169531Dec 19, 2019Body and structure. Service Bulletin for Water Leak at the Top of a Cab Door, Cascadia Day Cab with FE13 Roof Fairing. Some Cascadia day cabs with FE13 roof fairings may be more susceptible to water intrusion into the cab at the top of the cab door due to the way the air flows around the FE13 fairing. Water is pushed past the door seals while the vehicle is in motion, possibly resulting in water intrusion.
- 10168626Dec 2, 2019Engine cooling, Equipment. Customer Advisory Letter describing that some 2015 Cascadia may not be filtering engine air properly.
- 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.
- 10166748Oct 30, 2019Electrical system. Service Solution to fix switch malfunction
- 10166798Oct 29, 2019Equipment. Service bulletin describing that the DiagnoticLink screen images for Chassis ECU programming have ben updated.
- 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.
- 10165489Sep 30, 2019Equipment, Electrical system. Service Solution to fix radio issues
- 10165427Sep 27, 2019Engine cooling, Equipment. Tool Letter for ICC5 Programming Cable
- 10165418Sep 27, 2019Visibility (wipers, defrost, mirrors). Service Bulletin for Windshield Wiper Repair and Programming on Model Year 2015 Vehicles with 125-inch Sleeper Cabs
- 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
- 10164627Sep 9, 2019Equipment. Customer Service Announcement Letter Revision for Dealers/Distributors Accessing DDEC Backdoor Passwords
- 10164625Sep 9, 2019Transmission and drivetrain, Equipment. Tool Letter for New Final Drive Pinion Cover Install Tool
- 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
- 10164617Sep 9, 2019Body and structure. Communication to assist the field with service vibration issues on DTNA vehicles
- 10164616Sep 9, 2019Electrical system. PowerNet Assessment Tool Repair Procedure
- 10164494Sep 8, 2019Electrical system. Service Solution to fix incorrect ICUC Fuel Economy Reading
- 10164531Sep 6, 2019Transmission and drivetrain. Field Service Campaign for Remanufactured Detroit DT12 Transmissions
- 10164481Sep 5, 2019Engine cooling. Service Systems Development provided document to service locations on price list reflects current charges to engine horsepower ratings for HDEP and MDEG engine platforms.
- 10164438Sep 4, 2019Equipment. Warranty Policy Letter to communicate Detroit Return Changes
- 10164437Sep 4, 2019Equipment. Warranty Policy Letter to communicate remarketing handling cap for Detroit DT12 Transmission.
- 10164436Sep 4, 2019Equipment. Warranty Information Letter to announce addition of Thomas Built Bus as a brand with an Authorized Demonstrator Program
- 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.
← All problems reported for the 2015 Freightliner Cascadia
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.