Infotainment control unit (IFCU) service menu
Harley-Davidson technical service bulletin M1591 for 2023 Harley-Davidson Flhxse and 2023 Harley-Davidson Fltrxse.
- Bulletin number
- M1591
- Component
- Equipment
- Summary
- SERVICE BULLETIN M1591: INFOTAINMENT CONTROL UNIT (IFCU) SERVICE MENU. PURPOSE: This bulletin informs dealers of what to expect when using the Infotainment Control Unit (IFCU) Service Menu. Along with the instruction on how to convert Diagnostic Trouble Codes (DTCs) due to the temporary condition of them being presented in HEX format rather than SAE as is shown in the Electrical Diagnostic Manual (EDM). This will be corrected in a future software update for the IFCU.
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