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Service bulletins for the 2018 Freightliner Columbia

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.

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

By type

By component

Bulletins, newest first
CXA_10_25_TufTrac M122025-11-05. Other. SUSPENSION. CX Advocate for TufTrac M12 Bolts (TSB-32-057-FTL)
TSB32-057-FTL2025-10-03. Service bulletin. SUSPENSION. Technical Service Bulletin for TufTrac M12 Bolts
SS10329742021-06-09. Service bulletin. UNKNOWN OR OTHER. SS 1032974 High Oil Pressure on 2017 DTNA Vehicles Instrument Cluster Display
SS10336382021-06-09. Service bulletin. ELECTRICAL SYSTEM. SS 1033638 - Power Window Express Down Module Discontinued
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.
WI21-0082021-04-23. Service bulletin. EQUIPMENT. Warranty Information Letter announcing DTNA is adjusting the Standard Repair Times (SRTs) shown. The updated times will be applied to repair orders opened on or after April 5, 2021.
21TS-032021-02-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Technical Service Letter for GHG17 1-Box Inlet and Outlet Exhaust Clamps. There is a short supply of exhaust clamps, part number DDE A6809950502, used as inlet and outlet exhaust clamps on GHG17 heavy duty engines (DD13, DD15 and DD16) with a 1-Box aftertreatment configuration. Exhaust clamp part number TCX T130158342AC2 may be used as a substitute for DDE A6809950502, but be aware of the different torque specs between the two parts.
21TS-012021-01-28. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Technical Service Letter for Detroit Bearing Failures - Standard Diagnostic Times. DTNA is increasing repair strategies for determining the root cause of Detroit DD heavy duty lower end bearing failures. To support this strategy change, Detroit now has two (2) Standard Diagnostic Times (SDTs), easy and difficult, which can be applied to repair orders.
WI21-0032021-01-28. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. Warranty Information Letter for Detroit Bearing Failures - Standard Diagnostic Times. DTNA is increasing repair strategies for determining the root cause of Detroit DD heavy duty lower end bearing failures. To support this strategy change, Detroit now has two (2) Standard Diagnostic Times (SDTs), easy and difficult, which can be applied to repair orders.
SB35-0362020-12-30. Service bulletin. POWER TRAIN. Revised Freightliner Service Bulletin for Axle Flange Gasket Replaced with O-Ring. Revision removed steps instructing removal and installation of wheels. 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.
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.
SB60-1712020-07-28. Service bulletin. STRUCTURE:BODY:DOOR. Service Bulletin for Guidelines for Cleaning and Disinfecting Cab Surfaces. The following guidelines are for cleaning and disinfecting commonly touched surfaces on the inside and outside of a vehicle. For best results, follow cleaning and disinfecting procedures fully and consistently. Ensure there is adequate ventilation when using chemicals. NOTICE: Wipe down fragile components carefully to avoid damaging the vehicle.
SB54-3272020-04-17. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. Service Bulletin for Lengthening the Backup Light Harness. Though the backup light harness is long enough to connect to the backup light switch, it may be short enough that the wire seals in the connector can be stressed. Moisture entering through the seals can cause corrosion, resulting in a bad connection and/or failure of the switch. As a result, backup lights and, if equipped, the backup alarm, may not function when the vehicle is shifted into reverse.
20CSA-042020-03-22. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. 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.
WP20-0022020-03-17. Service bulletin. STRUCTURE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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.
20CSA-012020-02-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING. 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.
SB83-1192020-01-17. Service bulletin. VISIBILITY. Service Bulletin for A/C system receiver-drier replacement guidelines.
SB54-2902020-01-17. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin on guidelines for repairing or replacing an electrical harness.
SB72-0432019-12-20. Service bulletin. VISIBILITY; STRUCTURE. Service Bulletin revision that adds Century Class and Columbia models to the affected list for a Door Window and Regulator Retrofit.
19-012WP2019-09-05. Service bulletin. EQUIPMENT. Warranty Policy Letter to communicate remarketing handling cap for Detroit DT12 Transmission.
19-013WI2019-09-05. Service bulletin. EQUIPMENT. Warranty Information Letter to announce addition of Thomas Built Bus as a brand with an Authorized Demonstrator Program
19-010WI2019-09-04. Service bulletin. EQUIPMENT. Warranty Information Letter updated to communicate warranty system updates.
0308-19 PTO2019-08-08. Service bulletin. ENGINE AND ENGINE COOLING. Service Information Bulletin regarding PTO Dosing. This feature enables Active Regeneration of the DPFs while in PTO mode.
0107-19 GHG172019-08-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); ENGINE AND ENGINE COOLING. Service Bulletin to testing of EGR Cooler Water Manifold Assembly in DD13 engines.
19-008WI2019-08-08. Service bulletin. EQUIPMENT. Warranty Information Letter sent to customers regarding new refrigerator supplier for returning parts.

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