# 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.

- Type: Service bulletin
- NHTSA id: 10189331
- Published by NHTSA: 2021\-03\-24
- Manufacturer's number: SB54\-338
- Manufacturer's date: 2021\-03\-03
- NHTSA component: VISIBILITY; 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10189331-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10189331-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories, Glass, wipers and mirrors

## Vehicles listed

- 2017 to 2022 FREIGHTLINER CASCADIA

## Recalls for the same vehicles and component

- [2024745](/recalls/tc/2024745.md), 2024-12-10: Visual System
- [22V338000](/recalls/nhtsa/22V338000.md), 2022-05-16: EQUIPMENT:OTHER:LABELS
- [2018387](/recalls/tc/2018387.md), 2018-07-23: Visual System
- [17V810000](/recalls/nhtsa/17V810000.md), 2017-12-15: EQUIPMENT
- [17V452000](/recalls/nhtsa/17V452000.md), 2017-07-17: EQUIPMENT

## Other bulletins for the same vehicles and component

- [FleetCom\_Hood Tilt CPC](/bulletins/11030686.md), 2026-04-03, Other: VISIBILITY/WIPER. Fleet Communications for Hood Tilt CPC update and OI Comfort Mode parameters
- [SS3076\-FTL](/bulletins/11024972.md), 2025-11-05, Other: VISIBILITY/WIPER. Service Solution for P4 Main Mirror Arm Covers Loose \- Falling Off
- [SS3142\-FTL](/bulletins/11011107.md), 2024-12-04, Other: LANE DEPARTURE: BLIND SPOT DETECTION; ENGINE; VISIBILITY/WIPER. Service Solution for J1939 CAN issues for vehicles equipped w/ Bendix Side Radar w/ expanded field of view
- [MYCOM\_07192024\-2](/bulletins/11005472.md), 2024-08-02, Other: VISIBILITY/WIPER. My Communications for New Espar HS3 Heater and Extreme Insulation
- [SF673](/bulletins/10252334.md), 2024-04-02, Service bulletin: EQUIPMENT. Field Service Campaign for Common Telematics Platform \(CTP\) Installation and Initialization
- [SF665](/bulletins/10246257.md), 2023-12-06, Service bulletin: EQUIPMENT. Field Service Campaign for Common Telematics Platform
- [SF672\_V4](/bulletins/10246175.md), 2023-12-06, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. Revised Field Service Campaign for Common Telematics Platform Software Update
- [ICI23\-050](/bulletins/10246171.md), 2023-12-06, Service bulletin: EQUIPMENT. Important Campaign Information Letter for SF665 \- Campaign Reactivated
- [ICI23\-044](/bulletins/10246169.md), 2023-12-06, Service bulletin: EQUIPMENT. Important Campaign Information Letter for SF665 \- Campaign Suspended
- [SF639](/bulletins/10244840.md), 2023-11-03, Service bulletin: EQUIPMENT. Revised Field Service Campaign for Bendix SDP5 Software Update

JSON: [/v1/bulletins/10189331](/v1/bulletins/10189331)

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