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Service bulletins for the 2022 Freightliner 108SD

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.

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

By type

By component

Bulletins, newest first
CALFTL54-0012021-05-25. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; POWER TRAIN. Customer Advisory Letter on Powertrain PDM and Main PDM Bracket Modification
FAB2482021-05-19. Service bulletin. STRUCTURE; SUSPENSION. Freightliner Action Bulletin FAB248 FRONT FRAME EXTENSION TOW HOOKS 10.30.17
FAB2102021-05-19. Service bulletin. ELECTRICAL SYSTEM. Freightliner Action Bulletin FAB210 USB Charging Ports
FAB1622021-05-18. Service bulletin. EQUIPMENT; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY. Freightliner Action Bulletin FAB162 Remote Stop Start
FAB1612021-05-18. Service bulletin. SUSPENSION. Freightliner Action Bulletin FAB161 Watson and Chalin Suspension
FAB1602021-05-18. Service bulletin. STRUCTURE; ENGINE AND ENGINE COOLING. Freightliner Action Bulletin FAB160 Rock Guard
FAB1552021-05-18. Service bulletin. STRUCTURE. Freightliner Action Bulletin FAB155 Polished stainless steel steps
FAB1522021-05-18. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Freightliner Action Bulletin FAB152 Chassis Module Relocation
FAB1502021-05-18. Service bulletin. EXTERIOR LIGHTING; STRUCTURE:BODY:BUMPERS. Freightliner Action Bulletin FAB150 Bumper guide lights
FAB1492021-05-18. Service bulletin. SEATS. Freightliner Action Bulletin FAB149 heated seats
FAB1472021-05-18. Service bulletin. EQUIPMENT; SEAT BELTS. Freightliner Action Bulletin FAB147 Vehicle Data Recorder and Seat Belt Display
SB49342021-05-10. Service bulletin. ENGINE AND ENGINE COOLING. DEF Tank Coolant Valve O-Ring Kit
FL6882021-05-10. Service bulletin. SERVICE BRAKES. Rear Brake Calipers and Anchor Plates.
SB54-3202021-05-03. Service bulletin. ELECTRICAL SYSTEM. Updated Service Bulletin for upgrading BHM software for switch expansion module fault SPN 698 FMI 7. This bulletin replaces the version dated 11/11/2019. Figure 3 has been updated with a new hardware part number. A procedure was added to the data download process.
WI21-0092021-04-24. Service bulletin. ENGINE AND ENGINE COOLING. Warranty Information letter announcing that DTNA is increasing the Standard Diagnostic Times (SDTs) shown. The updated after treatment system (ATS) diesel exhaust fluid (DEF) pump times will be applied to repair orders opened on or after April 12, 2021.
SB54-3282021-04-01. Service bulletin. POWER TRAIN. Updated Freightliner Service Bulletin for Rerouting Wiring Harness to Reduce Chafing. This bulletin replaces the version dated 06/29/2020. Two new illustrations have been added to demonstrate proper application of butterfly tie straps on the transmission. ---Allison transmission wiring harness chafing causes disruption to gear engagement and fault code generation. To reduce chafing, the wiring is routed using stand off brackets and tie straps to minimize contact with the transmission parts. This bulletin applies to vehicles equipped with on-board diagnostics (OBDs) manufactured after 2016.
SB83-1552021-03-26. Service bulletin. EQUIPMENT. Updated Freightliner Service Bulletin for Espar Service Information. This bulletin replaces the version dated January 1, 2015. New Cascadia has been added to the model list.
SB49-0382021-03-24. Service bulletin. ENGINE AND ENGINE COOLING. Revised Freightliner Service Bulletin for netized Fill Neck for Six-Gallon DEF Tanks. A design change removed the magnets from the fill necks for some 6-gallon diesel exhaust fluid (DEF) tanks. If the vehicle is equipped with a non-magnetic fill neck 04-32529-000, it can be updated to a magnetic neck 04-32529-001. This bulletin replaces the version dated 04/18/2017. Updated availability of magnetic fill neck option for other diesel exhaust fluid (DEF) tank part numbers.
WP21-0072021-03-24. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Warranty Policy Letter for battery tags. DTNA determined that since adopting the AutoMeter BCT-460DTNA Powernet Assessment Tool (AutoMeter) as the required powernet system tester, not all battery tags have to be retained support Warranty-related claims.
SS10347972021-02-04. Service bulletin. ENGINE AND ENGINE COOLING. Service Solution for M2 108SD 114SD Coolant Level Sensor PN 06-93316-002. This bulletin was updated 1/28/2021 to reflect the removal of the backshell P/N 23-13302-633, as the added length of the backshell makes it difficult to route the harness around the lower mounting bolt of the surge tank.

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