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Ram TSB #S2008000186REVA
2020 Ram 4500
Affected Component: ELECTRICAL SYSTEM
Date Published
AUG 15, 2022
NHTSA TSB #
10229492
TSB Document
MC-10229492-9999.pdf
Summary
Engine Control Module (ECM) Flash Failure, Diagnostic Trouble Code (DTC) U1601 ? ECU Application Software Code 1 Missing Or Corrupted