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Service bulletins for the 2018 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.

1044 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Glass, wipers and mirrors are shown. Show all

Bulletins, newest first
SS3076-FTL2025-11-05. Other. VISIBILITY/WIPER. Service Solution for P4 Main Mirror Arm Covers Loose - Falling Off
MYCOM_07192024-22024-08-02. Other. VISIBILITY/WIPER. My Communications for New Espar HS3 Heater and Extreme Insulation
SB54-3382023-08-05. Service bulletin. VISIBILITY. Revised Service Bulletin for Updating HVAC ECU Software to Fix Front HVAC Evaporator Freezing and Improve Espar Heater Cool Down. Description of Revisions: This bulletin replaces the version dated December 2021. The general information and warranty information has been updated.
SS3076-FTL20222022-08-02. Service bulletin. VISIBILITY. Main Mirror Arm Covers Loose - Falling Off. Lower arm covers designs have clips that hold the cover on but over time the clips can fail and allow the covers to become loose or fall off.
SB54-3562022-08-02. Service bulletin. VISIBILITY. Revised Freightliner Service Bulletin for HVAC Software Updates. Description of Revisions: This bulletin replaces the version dated 06/21/2022. Formatting errors have been corrected.
SB54-3562022-07-02. Service bulletin. VISIBILITY. Freightliner Service Bulletin for HVAC Software Updates
FP60-0552022-05-03. Service bulletin. VISIBILITY. Freightliner Parts Technical Bulletin for TufGlass Windshield Replacement. Effective April 20, 2022, owners of New Cascadia vehicles have the option of replacing factory-installed standard windshields with L20 TufGlass windshields.
SS3076-FTL20222022-02-05. Service bulletin. VISIBILITY. Main Mirror Arm Covers Loose - Falling Off. Lower arm covers designs have clips that hold the cover on but over time the clips can fail and allow the covers to become loose or fall off.
SS3076-FTL20212021-12-02. Service bulletin. VISIBILITY. Updated Service Solution for Main Mirror Arm Covers Loose -Falling Off. Lower arm covers designs have clips that hold the cover on but over time the clips can fail and allow the covers to become loose or fall off.
SB60-1752021-08-28. Service bulletin. VISIBILITY. Freightliner Service Bulletin for Auxiliary Mirror Vibration. Cascadia trucks built from January 1, 2017 through June 16, 2020 may be equipped with auxiliary mirrors that vibrate or wobble. A service kit (part number 22-77791-500) is available to resolve the issue.
SB54-3472021-08-28. Service bulletin. 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 checking for proper operation of the RLS, that the sensor be properly fastened to its mounting bracket and that the gel is free of fingerprints and foreign material. Also ensure that no air bubble larger than 1 mm is present in the gel.
SB54-3382021-06-29. Service bulletin. VISIBILITY. Updated Freightliner Service Bulletin for Updating HVAC ECU Software to Fix Front HVAC Evaporator Freezing and Improve Espar Heater Cool Down. This bulletin replaces the version dated 03/03/2021. Information on software versions and the number of software updates needed has been updated.
FAB1542021-05-18. Service bulletin. VISIBILITY; STRUCTURE. Freightliner Action Bulletin FAB154 New options for Cascadia
FAB1462021-05-18. Service bulletin. VISIBILITY; EXTERIOR LIGHTING. Freightliner Action Bulletin FAB146 Cascadia LED headlights
FTLCAE167-20162021-05-17. Service bulletin. VISIBILITY; EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Important Update for Parked HVAC System Options
SS3076-FTL20212021-05-01. Service bulletin. VISIBILITY. Service Solution for P4 Main Mirror Arm Covers Loose - Falling Off. Lower arm cover designs have clips that hold the cover on but over time the clips can fail and allow the covers to become loose or fall off.
SB54-3222021-04-28. Service bulletin. VISIBILITY. Updated Freightliner Service Bulletin for Adjusting Automatic Temperature Control Range with Optimized Idle. This bulletin replaces the version dated 12/06/2019. Tables 3 and 4 have been updated. Steps to change and match HVAC desired settings have been updated.
SB54-3382021-03-24. Service bulletin. VISIBILITY; EQUIPMENT. Revised Freightliner Service Bulletin for Updating HVAC ECU Software to Fix Front HVAC Evaporator Freezing and Improve Espar Heater Cool Down. This bulletin replaces the version dated 12/23/2020. Information has been added about ParkSmart units and the instructions have been streamlined.
TechTalk48552021-03-02. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. Tech Talk continued discussion for P4 Next Gen Cascadia dome lights stay on while driving.
P4HALOGENUPDATE2021-03-02. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Customer Maintenance Enhancements for the P4 Halogen Lamp replacement procedure.
SB54-3382020-12-30. Service bulletin. VISIBILITY; EQUIPMENT. Freightliner Service Bulletin for Front HVAC Evaporator Freezing and Espar Heater Cool Down Algorithm. New Cascadia vehicles with sleeper cabs may become extremely cold when in A/C mode, which can lead to reduced airflow as a result of internal ice buildup at the evaporator. Durability of the Espar D5 heater system when paired with the battery parked HVAC system (BPHS) can be improved by applying "cool down" software to the parked control unit (PCU).
TechTalk48912020-12-01. Service bulletin. VISIBILITY. Tech Discussion on New Cascadia windows switch opperating horn, wipers dont opperate properly.
TechTalk48552020-09-30. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY; INTERIOR LIGHTING. Tech Talk discussion for P4 Next Gen Cascadia dome lights stay on while driving.
SB54-3312020-09-16. Service bulletin. VISIBILITY; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Updated Freightliner Service Bulletin for Updated ULB Control Unit for LED Headlamps. This bulletin replaces the version dated July 30, 2020. Information about a reman part has been added. New Cascadia vehicles with light emitting diode (LED) headlamps built from January 1, 2017 through February 17, 2020 may experience intermittent disabled headlamps due to an issue with the universal light ballast (ULB). The LED headlamps can turn off if the supply voltage drops below approximately 9V. This low voltage commonly and momentarily occurs when cranking the engine on a vehicle with batteries that are not fully charged. The momentary low voltage may cause the electronic ULB control unit to malfunction. The ULB may not resume normal function until the power supply to the headlamp is disconnected.
SB54-3312020-07-31. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; VISIBILITY. Freightliner Service Bulletin for Updated ULB Control Unit for LED Headlamps. New Cascadia vehicles with light emitting diode (LED) headlamps built from January 1, 2017 through February 17, 2020 may experience intermittent disabled headlamps due to an issue with the universal light ballast (ULB). The LED headlamps can turn off if the supply voltage drops below approximately 9V. This low voltage commonly and momentarily occurs when cranking the engine on a vehicle with batteries that are not fully charged. The momentary low voltage may cause the electronic ULB control unit to malfunction. The ULB may not resume normal function until the power supply to the headlamp is disconnected.

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