2020 Freightliner Cascadia Technical Service Bulletins

661 technical service bulletins (TSBs) are on record for the 2020 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.

• 10171560Feb 19, 2020Equipment, Electrical system. Field Service Campaign for Cascadia Fuel Water Separator Dash Wiring. On certain vehicles, the fuel water separator harness was not installed at the factory.
• 10171367Feb 14, 2020Back-over prevention (rear camera). Field Service Campaign for Cascadia Backup Alarms. On certain, vehicles the backup alarm will not sound when the headlights are in the ON position. The software controlling the backup alarm will be updated.
• 10171366Feb 14, 2020Electrical system. Field Service Campaign for Freightliner Cascadia Passenger-Side Dome Light. Certain Freightliner Cascadia vehicles may have an inoperable dome light which normally activates upon opening the right-side (passenger) door. Vehicles will be inspected by opening the right-side (passenger) door, and if dome light is inoperable, a modification will be made to the wiring harness.
• 10171364Feb 14, 2020Exterior lighting, Visibility (wipers, defrost, mirrors). Service Bulletin for certain New Cascadia equipped with Detroit Assurance 5.0, may have been ordered incorrectly without automatic headlamps and rain sensing wipers. If equipped with Detroit Assurance 5.0, daytime running lights (DRL), no exterior sun visor, and no cruise control options that disengage with the headlights or wipers, the automatic headlamps and wipers can be retrofitted.
• 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.
• 10171359Feb 14, 2020Equipment, Lane departure, Transmission and drivetrain, Suspension. Revision to a Warranty Policy Letter announcing the One Stop Supplier Extended Program Launch. The One Stop Supplier Extended Program streamlines the claim filing process because with One Stop Supplier Extended, the service network will file claims for some supplier-supported coverages in OWL. Revisions are in blue.
• 10170856Jan 31, 2020Electrical system, Engine cooling. Customer Service Announcement reminding service locations to update their DiagnosticLink software. To maintain access to the Detroit server, all DiagnosticLink computers must be updated with the current version of DiagnosticLink software. all DiagnosticLink 8.08 installed versions will be disabled as of Tuesday, January 28, 2020.
• 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.
• 10170842Jan 31, 2020Equipment, Other or unknown. Revised Customer Advisory Letter for performing a Fifth Wheel Air-Operated Kingpin Release Functionality Inspection on vehicles equipped with a dash controlled fifth wheel air operated king pin release valve. This revision updates the Standard Repair Times (SRTs) in the work instructions section.
• 10170604Jan 21, 2020Other or unknown, Equipment. Customer Advisory Letter for performing a Fifth Wheel Air-Operated Kingpin Release Functionality Inspection on vehicles equipped with a dash controlled fifth wheel air operated king pin release valve.
• 10170299Jan 20, 2020Suspension, Transmission and drivetrain, Other or unknown, Lane departure. Warranty Policy Letter announcing the One Stop Supplier Extended Program Launch. The One Stop Supplier Extended Program streamlines the claim filing process because with One Stop Supplier Extended, the service network will file claims for some supplier-supported extended coverages in OWL.
• 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.
• 10170296Jan 17, 2020Visibility (wipers, defrost, mirrors), Exterior lighting. Customer Advisory Letter for New Cascadia vehicles with Detroit Assurance 5.0 regarding automatic headlamp and wiper retrofits.
• 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.
• 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.
• 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.
• 10168044Nov 20, 2019Electrical system, Equipment, Steering. Service Bulletin for New Cascadia describing cab-to-chassis redundant ground strap installation to prevent damage to cab wiring.
• 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.
• 10168038Nov 19, 2019Equipment. Service Bulletin for paint finish standards. Delfleet One has been added for aftermarket use. This version replaces service bulletin dated May 5, 2017.
• 10168036Nov 19, 2019Equipment. Warranty Policy letter announcing service locations have 90 calendar days from delivery to open a repair order which Identifies and addresses discrepancies from the sales order.
• 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.
• 10166840Oct 30, 2019Equipment, Electrical system. Service bulletin describing procedures to install a cab-to-chassis redundant ground strap from the Main Ground Junction Box (MGJB) to the frame.
• 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
• 10166810Oct 29, 2019Engine cooling, Equipment. Customer Advisory Letter notifying owners of potential PTO and hydraulic system failures for specific vehicles leased to Herc.
• 10166809Oct 29, 2019Suspension. Customer Advisory Letter notifying owner that a torque verification of the steer axle spindle nut will be conducted.
• 10166801Oct 29, 2019Equipment. WARRANTY INFORMATION LETTER for coverage validation
• 10166800Oct 29, 2019Electrical system, Equipment. Service Bulletin describing changes made to the Powernet Distribution Box (PNDB) for better fuse retention.
• 10166799Oct 29, 2019Equipment. WARRANTY POLICY LETTER- Hold disposition for Parts has been eliminated
• 10166798Oct 29, 2019Equipment. Service bulletin describing that the DiagnoticLink screen images for Chassis ECU programming have ben updated.
• 10166797Oct 29, 2019Body and structure. Service bulletin updating the Important Information section and adding instructions for proper visual inspection distance for paint finish standards.
• 10166782Oct 28, 2019Engine cooling. Technical Service Letter Revision on heavy duty coolant oil module and oil filter change. Older modules will not be compatible with newer module.
• 10166781Oct 28, 2019Electrical system, Equipment. Tool Letter announcing an ICC5 programming cable will be available once new programming software is finalized.
• 10166525Oct 25, 2019Equipment, Electrical system. Tool Letter for DAVCO Shop Pro FXP 95-230V compatible for Australia Electrical Systems.
• 10166524Oct 25, 2019Equipment, Electrical system. Tool Letter for DAVCO Shop Pro FXP 95-230V compatible for Chile and Italy Electrical Systems
• 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.

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