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Service bulletin SB54-338

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10189331
Published by NHTSA2021-03-24
Manufacturer's numberSB54-338
Manufacturer's date2021-03-03
NHTSA componentVISIBILITY; EQUIPMENT

NHTSA's summary

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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Glass, wipers and mirrors

Vehicles listed
FREIGHTLINER CASCADIA2017, 2018, 2019, 2020, 2021, 2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20247452024-12-10. Visual System
22V3380002022-05-16. EQUIPMENT:OTHER:LABELS
20183872018-07-23. Visual System
17V8100002017-12-15. EQUIPMENT
17V4520002017-07-17. EQUIPMENT

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
FleetCom_Hood Tilt CPC2026-04-03. Other. Fleet Communications for Hood Tilt CPC update and OI Comfort Mode parameters
SS3076-FTL2025-11-05. Other. Service Solution for P4 Main Mirror Arm Covers Loose - Falling Off
SS3142-FTL2024-12-04. Other. Service Solution for J1939 CAN issues for vehicles equipped w/ Bendix Side Radar w/ expanded field of view
MYCOM_07192024-22024-08-02. Other. My Communications for New Espar HS3 Heater and Extreme Insulation
SF6732024-04-02. Service bulletin. Field Service Campaign for Common Telematics Platform (CTP) Installation and Initialization
SF6652023-12-06. Service bulletin. Field Service Campaign for Common Telematics Platform
SF672_V42023-12-06. Service bulletin. Revised Field Service Campaign for Common Telematics Platform Software Update
ICI23-0502023-12-06. Service bulletin. Important Campaign Information Letter for SF665 - Campaign Reactivated
ICI23-0442023-12-06. Service bulletin. Important Campaign Information Letter for SF665 - Campaign Suspended
SF6392023-11-03. Service bulletin. Revised Field Service Campaign for Bendix SDP5 Software Update