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July 13, 2023 Service bulletin

Revised Service Bulletin for Updating HVAC ECU Software to Fix Front HVAC Evaporator Freezing and Improve...

Freightliner technical service bulletin SB54-338 for 2017-2022 Freightliner Cascadia.

Bulletin number
SB54-338
Component
Visibility
Summary
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.

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