2019 Freightliner Cascadia Technical Service Bulletins

771 technical service bulletins (TSBs) are on record for the 2019 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.

• 10173647Apr 8, 2020Engine cooling, Transmission and drivetrain. Service Solution for P4 New Cascadia with Manual Transmissions Does Not Use Bottom Of Clutch Switch For Starting. On the prior P3 Legacy Cascadia vehicles with manual transmission, the Bottom of Clutch (BOC) switch could be uses as an interlock for the engine crank circuit. If programmed in the SAM Cab, the engine crank circuit would require the clutch to be fully depressed in order for the engine to crank.
• 10173646Apr 8, 2020Electrical system, Exterior lighting. Service Solution for P4 New Cascadia Road Lamp Strain Relief and Water Protection For Electrical Connection. The connector that attaches to the road lamp is exposed to water spray from the vehicles front tires. Even though the connector is sealed, water spray, in conjunction with wiring that may be pulled sideways, can attribute to water intrusion into the connector.
• 10172976Mar 30, 2020Engine cooling. Service Solution for Updated Common Telematics Platform (CTP) Installation and Activation Procedure. Some new CTPs being installed in the field have failed to activate and do not communicate with Detroit Connect back end. The activation of the CTP requires that the VIN and CTP serial number pair is transmitted from DiagnosticLink to the Detroit Connect registration server.
• 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…
• 10172750Mar 23, 2020Equipment. Service Solution for New Cascadia Bluetooth Microphone Relocation. Some fleet drivers are complaining about a lack of reception of the Bluetooth microphone due to it's proximity in the center of the overhead console. The Bluetooth microphone can be relocated into the driver's side overhead panel, either left hand or right hand drive applications.
• 10172649Mar 20, 2020Equipment, Engine cooling. Customer Service Announcement saying that Service Pack (SP) 3 for DiagnosticLink® 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.
• 10172553Mar 17, 2020Equipment, Electrical system. Important Campaign Information Letter announcing that field service campaign SF576 has been suspended until a change in the procedure has been made.
• 10172551Mar 17, 2020Equipment, Electrical system. Field Service Campaign has been suspended until a change in the procedure is made.
• 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
• 10171977Mar 3, 2020Electrical system, Exterior lighting. Customer Maintenance Enhancements for the P4 Halogen Lamp replacement procedure.
• 10171911Mar 2, 2020Electrical system. Customer Advisory Letter that an inspection to determine if the high current breaker has been bypassed.
• 10171910Mar 2, 2020Electrical system. Important Campaign Information Letter announcing the extension of the Campaign Termination Date for SF560 which addresses Cascadia software updates. The campaign will remain open until 9/30/20.
• 10171909Mar 2, 2020Electrical system. Important Campaign Information Letter announcing the extension of the Campaign Termination Date for SF576 which involves specific Cascadia vehicles built with DTNA's proprietary Common Telematics Platform (cTP), and Truck DataCenter (TDC) are not communicating and, therefore, are unable to benefit from over-the-air software updates. The campaign will remain open until 8/31/20.
• 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.
• 10170774Jan 27, 2020Suspension. Customer Advisory Letter to communicate that a torque check be performed for certain Classic Cascadia (P3). The torque check is for the incorrect fastener clamp load at the steer axle to bracket thru-bolt at the forward and/or rear shackle brackets.
• 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.
• 10170316Jan 17, 2020Suspension, Transmission and drivetrain. Customer Advisory Letter to communicate that an inspection be performed for certain New Cascadia. The inspection is for the steer axle spring to front hanger fastener.
• 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.
• 10169699Jan 2, 2020Engine cooling, Equipment, Electrical system. Technical Service Letter for GHG17 Heavy Duty Engine Platform 1-BOX Aftertreatment System (ATS) Wire Harness experiencing chaffing caused by vibration and dirt collecting in the harness conduit.
• 10169690Jan 2, 2020Body and structure, Equipment. Customer Advisory Letter for Back Of Cab (BOC) air line relocation. The current location of the bracket for certain New Cascadia do not allow for unobstructed access to BOC and does not allow for tight maneuvering of the vehicle with a trailer.
• 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.
• 10169530Dec 19, 2019Electrical system, Equipment. Service Bulletin for New Cascadia Pana-Pacific 540 Radio Controls Not Operating Normally. Pana-Pacific DEA540 radios (A22-74389-000) may cease to respond to volume control settings from the steering wheel switches or the controls on the radio faceplate, resulting in erratic volume control.
• 10169529Dec 19, 2019Visibility (wipers, defrost, mirrors), Equipment. Service Bulletin for Adjusting Automatic Temperature Control Range with Optimized Idle. Front and rear HVAC systems operate as independent constant outlet temperature control (COTC) systems when Optimized Idle (OI) is not armed.
• 10169528Dec 19, 2019Exterior lighting. Service Bulletin for Replacing Halogen Headlamps on New Cascadia Vehicles.
• 10168671Dec 2, 2019Body and structure, Latches, locks and linkages. Service Bulletin for New Cascadia sleeper cabs where the Upper Cabinet Latch Engagement may not completely fasten or pop open while driving. Instructions provided to adjust the door hinge mounting.
• 10168129Nov 21, 2019Equipment. Customer Advisory Letter communicating how to update the ParkSmart controller software for specific vehicles. This will address the ParkSmart refrigerant compressor noise.
• 10168126Nov 21, 2019Visibility (wipers, defrost, mirrors), Exterior lighting, Electrical system. Customer Advisory Letter communicating how to minimize the risk of a heat damaged headlamp, or progressive damage to a vehicle due to an improperly installed halogen headlamp bulb,
• 10168125Nov 21, 2019Equipment, Suspension. Customer Advisory Letter for Airliner welded axle seats. The welded axle seats were installed incorrectly on the rear most drive axle for specific vehicles resulting in an incorrect axle pinion angle. The existing welded axle seats will be removed and replaced with new axle seats installed in the correct orientation.
• 10168103Nov 21, 2019Equipment. Service Solution addressing Intermittent Loss of Heat from HVAC Vents for New Cascadia.
• 10168101Nov 21, 2019Equipment, Electrical system, Exterior lighting. Service Solution communicating how to minimize the risk of a heat damaged headlamp, or progressive damage to a vehicle due to an improperly installed halogen headlamp bulb,
• 10168095Nov 20, 2019Other or unknown. Field Service Campaign to modify vehicles whose Automatic Traction Control (ATC) will require a software update.
• 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.
• 10168039Nov 19, 2019Equipment, Suspension. Service Bulletin for troubleshooting Airliner suspension air-spring bag misalignment. This version updates applicability to New Cascadia.
• 10166963Nov 1, 2019Body and structure, Equipment, Engine cooling. Service Bulletin describes performing an inspection of the cooling baffle to determine the wear condition of the baffle and to ensure the hood is still sealed for maximum cooling.
• 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.
• 10166841Oct 30, 2019Body and structure, Equipment. Parts technical bulletin on replacement service bumpers for New Cascadia.
• 10166839Oct 30, 2019Equipment, Steering, Electrical system. Service bulletin describing the procedures for service harness installation and steering wheel clockspring replacement.
• 10166748Oct 30, 2019Electrical system. Service Solution to fix switch malfunction
• 10166804Oct 29, 2019Equipment, Visibility (wipers, defrost, mirrors), Electrical system. Important Campaign Information letter announcing that SF560 has been revised for improved clarity of individual programming steps.
• 10166803Oct 29, 2019Equipment, Visibility (wipers, defrost, mirrors), Electrical system. Field Service campaign has been revised for improved clarity of individual programming steps
• 10166800Oct 29, 2019Electrical system, Equipment. Service Bulletin describing changes made to the Powernet Distribution Box (PNDB) for better fuse retention.
• 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.

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