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September 16, 2020 Service bulletin

Service Solution for Fault Code VRDU 524127/9

Freightliner technical service bulletin SS1034670 for 2020-2021 Freightliner Cascadia.

Bulletin number
SS1034670
Component
Electrical system: ignition
Summary
Service Solution for Fault Code VRDU 524127/9 - Lost Communication with the MPC. This Service Solution has been superseded to service bulletins SB 54-336 and 54-329. Please see the service bulletins for the most current information. VRDU fault code 524127/9 is often caused by lack of ignition supply to the MPC, which causes it to stop communicating. This usually occurs when voltage is low.

Owners of these vehicles have filed 7 complaints in the electrical category.

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