Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,865 bulletins for FREIGHTLINER
SF623
Aug 30, 2021
100000 POWER TRAIN
Field Service Campaign for Cascadia ICUC Traffic Sign Display. Certain vehicles equipped with a Detroit Assurance base package, and a DT12 transmission with intelligent powertrain management (IPM+), were not built with the Traffic Sign Disp
SS3090-FTL2021
Aug 27, 2021
060000 ENGINE AND ENGINE COOLING
Service Solution for DD8 Engine Harness Chafing Air Compressor Suction Line.
CALFTL54-018
Aug 25, 2021
110000 ELECTRICAL SYSTEM
Customer Advisory Letter for New Cascadia Aluminum Battery Cable Replacement. This customer advisory letter is intended to provide parts for inspection by DTNA Engineering to finalize a technical solution for an upcoming recall: FL893/NHTSA
SB83-161
Aug 25, 2021
060000 ENGINE AND ENGINE COOLING
Freightliner Service Bulletin for Heater Hose Clearance. Some Business Class M2 106 vehicles built from January 2017 through June 2021 may have a heater hose installed too close to the electric horn.
ICI21-027
Aug 24, 2021
030000 SERVICE BRAKES, HYDRAULIC
Important Campaign Information Letter for SF622 ??A?A? Campaign Revision/Reactivation. This letter is to inform you that the work instructions for Field Service Campaign SF622, Cascadia/49X ABS MBSP+ Controller Software Update have been rev
D21M6
Aug 23, 2021
060000 ENGINE AND ENGINE COOLING
Detroit Field Service Campaign for Gen 5 Customer Demo Unit (CDU) and Pre-Series Unit Retrofits. Certain Customer Demo Unit (CDU) and Pre-Series vehicles with Gen 5 engines require engine retrofits to bring the engines up to full production
20TS-11
Aug 23, 2021
060000 ENGINE AND ENGINE COOLING
Technical Service Letter for Detroit CPC501T GHG21 Only; Updating Bootloader Using DL version 8.14 and higher. On Detroit powertrain equipped Cascadiaa??s, built in 2020, it may be necessary to complete an additional step in the programming
SS3085FTL-2021
Aug 19, 2021
350000 EQUIPMENT
Service Solution for Cummins PTO functionality error software level 81Z-006. Cascadia/Western Star 49X with Cummins engines combined with software level 81Z-006. A programming bug in the central gateway (CGW) for software level 81Z-006 will
SB54-345
Aug 18, 2021
100000 POWER TRAIN
Freightliner Service Bulletin for Detroit New Final Drive (NFD) Rear Axle Temperature Parameters. Some New Cascadia trucks equipped with Detroit Diesel New Final Drive (NFD) axles have a high temperature warning parameter. The warning is se
SS1034216
Aug 10, 2021
260000 FORWARD COLLISION AVOIDANCE
Service Solution for Detroit Assurance Radar Front End Shipping Label. It has been reported that in some cases shipping labels may have been affixed to the inside center of the front cover on aftermarket parts. The shipping label has since
FAB289
Aug 10, 2021
350000 EQUIPMENT
Freightliner Action Bulletin for Cascadia Sleeper Cabinet Options. Improved cabinet options in sleeper models to increase storage and customize to the drivera??s liking.
CALFTL47-001B
Aug 4, 2021
070000 FUEL SYSTEM, GASOLINE
Revised Customer Advisory Letter for Correction of Low Pressure Fuel Line Installation to Ensure Proper Clearance. Revision Information: Figures have been updated to better show the issue being addressed.
CALFTL42-005
Aug 2, 2021
030000 SERVICE BRAKES, HYDRAULIC
Customer Advisory Letter for Inspection of Steer Axle Drum Brake Spider Fasteners.
MCMSHORTAGE
Jul 29, 2021
100000 POWER TRAIN
Shortage Communication Letter for Continued Part Shortages.
AXLEOILSHORTAGE
Jul 29, 2021
100000 POWER TRAIN
Communication for 75W-85 Detroit Axle Oil Supply Shortage.
CONSOLESHORTAGE
Jul 28, 2021
350000 EQUIPMENT
Storage Console Shortage. Freightliner and Western Star orders with the following option may experience a temporary delay in availability of the storage console mounted on the interior backwall of Daycabs.
CSR 520
Jul 28, 2021
060000 ENGINE AND ENGINE COOLING
Daimler Trucks North America LLC (DTNA), on behalf of its Freightliner Trucks Division, has decided that a defect that relates to motor vehicle safety exists on specific model year 2014 through 2019 Freightliner Business Class M2 vehicles m
SB54-347
Jul 22, 2021
130000 VISIBILITY
Freightliner Service Bulletin for Rain Sensor not Detecting Material on the Windshield. The rain light sensor (RLS) requires proper mounting and clear windshield visibility for auto wipe to function properly. It is always recommended when c
SS2083FTL2021
Jul 16, 2021
020000 SUSPENSION
Service Solution for Aero Height Control Interfering with RDF Alignment and 42/523004/13 and 232/524042/9 Active for vehicles equipped with Hadley Smart Valve. The Aerodynamic Height Control feature on the New Cascadia is a feature that rai
TS382-2021
Jul 16, 2021
260000 FORWARD COLLISION AVOIDANCE
Training Solutions for Detroit Assurance Frontend Radar (RDF) General Troubleshooting Approach. This solution acts as an overall guide for troubleshooting Frontend Radar (RDF), Adaptive Cruise Control (ACC), and Active Brake Assist (ABA) is
SS3082FTL2021
Jul 16, 2021
070000 FUEL SYSTEM, GASOLINE
Service Solution for New Cascadia Fuel Sending Unit Connector Loose.
CALFTL91-002
Jul 15, 2021
220000 SEATS
Customer Advisory Letter for Replacement of Sears Driver Seat Metal Mounting Clip to Eliminate Seat Sensor Chaffing Issue. The seat sensor harness on New Cascadia vehicles ordered with a Sears driver seat (sales code 756-1H2) may experience
SS3081FTL2021
Jul 14, 2021
260000 FORWARD COLLISION AVOIDANCE
Service Solution for VRDU Fault Code 232/524000/19and 232/524049/19 a?? ECU CPC Data Error. This VRDU code typically sets after the VRDU gets reprogrammed and parameters to clear out. To prevent this from happening in the future, follow the
CALFTL54-017
Jul 13, 2021
270000 LANE DEPARTURE
Customer Advisory Letter for New Cascadia Side Radar Wiring Harness Inspection. If the wiring harness is not routed properly, harness chaffing may occur on certain New Cascadia vehicles equipped with Detroit Assurance 5.0 Side Guard Assist
BATTDISCONNECT
Jul 2, 2021
110000 ELECTRICAL SYSTEM
Continued Supply Shortages Impacting Battery Disconnect Components