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Service bulletins for the 2008 Freightliner Cascadia

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

494 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
20TS-092020-12-07. Service bulletin. ENGINE AND ENGINE COOLING. Technical Service Letter for SPN 3711 FMI 31 on GHG17 DD15 Trucks.
SB54-2782020-10-28. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Updated Freightliner Service Bulletin for Powernet Troubleshooting Guide - Batteries, Path, Alternator, and Starter. This bulletin replaces the version dated 5/31/2017. Information is added about the BCT-460DTNA PowerNet Assessment Tool. When troubleshooting Powernet issues, use the BCT-460DTNA PowerNet Assessment Tool. As of May 29, 2018, the AutoMeter® is the only Daimler-approved tool for troubleshooting vehicle Powernet issues.
SB35-0362020-10-12. Service bulletin. EQUIPMENT; POWER TRAIN. Freightliner Service Bulletin for Axle Flange Gasket Replaced with O-Ring. Daimler Trucks North America has released a new axle shaft to hub rubber O-ring (part number 11-30728-000) as a replacement for the paper gasket (part number 11-14418-000). The new O-ring will provide better sealing and is reusable. It is quicker and easier to use compared to the paper gasket, because using a paper gasket requires cleaning the hub when the axle shaft is removed.
SS10347612020-09-01. Service bulletin. ENGINE AND ENGINE COOLING. Service Solution for P3 - CEL On and Engine de-rate due to ATD Chassis Harness Circuit 532M5+ at DEF Heater Supply location is shorted. Harness part number A66-03217-002 has been reported experiencing failures due to damages to 532M5+ circuit shorting /or corrosion in terminals at Connector (23-13053-200) harness location "ATD_CHAS_F_O_HTR_LINE_DEF_5B" .
SB31-0432020-07-31. Service bulletin. EQUIPMENT; SUSPENSION:REAR. 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 increase in tightening torque. The new higher friction nut can be identified by its green color.
SB31-0442020-07-28. Service bulletin. VISIBILITY. 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.
SB31-0412020-07-02. Service bulletin. LATCHES/LOCKS/LINKAGES; STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS. 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.
SB60-1582020-04-29. Service bulletin. EXTERIOR 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.
SB60-1672020-04-22. Service bulletin. 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.
SB60-1692020-04-18. Service bulletin. VISIBILITY. 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.
20TS-012020-01-22. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. Technical Service Letter for DDC Series 60 engines concerning Series 60 Cylinder Head Resurfacing/Finish. Detroit Diesel does not recommend third party resurfacing of Series 60 cylinder heads (outside of Detroit and Detroit Reman).
SS10340682020-01-19. Service bulletin. ELECTRICAL 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.
SS10345982020-01-03. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; EQUIPMENT. 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.
SB54-2392019-11-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; ELECTRICAL SYSTEM. Service Bulletin for Cascadia Cabin CAN ECU Compatibility. Compatible software levels are required for the proper operation of the vehicle.
SB54-2392019-11-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Service Bulletin describing Cascadia cabin CAN ECU compatibility. This document replaces version from July 2015.
ICI19-0552019-10-29. Service bulletin. EQUIPMENT:OTHER:LABELS; ENGINE AND ENGINE COOLING. Important campaign Information letter for emission recall D12C3 being revised with the steps necessary for authorized dealers/distributors to order emission labels via DTNAConnect.
17TS92019-10-25. Service bulletin. ENGINE AND ENGINE COOLING. Technical Service Letter communicating that information on DD Heavy Duty Platform Belt and Belt Tensioner can be found on TechLit.
12C3REV12019-10-25. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:LABELS. Emission Recall Bulletin for EPA07/EPA10 DD13 Emission Labels In Cascadia 113” Day Cab Chassis obscured by air cleaner housing.
19TL-152019-09-28. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Tool Letter for ICC5 Programming Cable
SB47-0272019-09-28. Service bulletin. FUEL SYSTEM, GASOLINE. Service Bulletin for Equiflo Fuel System Breather Tube Inspection
DOC-10344842019-09-09. Service bulletin. EQUIPMENT. Technical Solution for finding Bill of Material
sb820192019-09-05. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY/WIPER. 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.
sb543122019-09-05. Service bulletin. STRUCTURE; EQUIPMENT. Service Bulletin to replace the white drip shield and secondary SAM cover on the SAM Cabin, with a new one-piece drip shield.
82-0182019-09-05. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR; 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.
0609-192019-08-08. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL. Service Information Bulletin for Symptom Diagnostics - Fluid in the Aftertreatment - Diesel Fuel Contamination.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.