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December 19, 2024 Service bulletin

Engine Control Module (ECM) Flash Failure, Diagnostic Trouble Code (DTC) U1601 – ECU Application Software...

Ram technical service bulletin S2008000186 REV.B for 2019, 2022-2024 Ram 2500, 2019-2024 Ram 3500 and 2019-2024 Ram 5500 and others.

Bulletin number
S2008000186 REV.B
Component
Engine
Summary
Engine Control Module (ECM) Flash Failure, Diagnostic Trouble Code (DTC) U1601 – ECU Application Software Code 1 Missing Or Corrupted

Owners of these vehicles have filed 199 complaints in the engine category.

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