M8 ECM New Calibration ID 41000477C/DT
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Seasoned HDF Member
Joined: Aug 2006
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From: Pennsylvania
M8 ECM New Calibration ID 41000477C/DT
Stock 2017 FLHTCU Had the 15,000 mile service along with ABS Brake Flush and Clutch Actuator Recall performed. The Dealership also Downloaded the latest ECM update # 41000477C/DT. Does anyone know what this update does? Fuel Management, Idle change, Different Fuel Map? Engine seems to run better, idle does not appear to have changed; however, have not had a chance to run it in warmer weather or check the MPG. Mostly curious on what the update changed in the ECM. Thanks for any info on this non-important matter.
Road Warrior
Joined: Jul 2013
Posts: 1,649
Likes: 443
From: Indianapolis
You might check your VIN on the Harley Service Information Portal to see it shows any update info-
After you search by VIN-
click on the Vehicle Documents then check "Service Bulletins"
https://serviceinfo.harley-davidson....cle/lookupForm
The latest update to the Pro Street Tuner software has this about 2017-2019 models.
I do not know if that is exactly what your update covers.
After you search by VIN-
click on the Vehicle Documents then check "Service Bulletins"
https://serviceinfo.harley-davidson....cle/lookupForm
The latest update to the Pro Street Tuner software has this about 2017-2019 models.
I do not know if that is exactly what your update covers.
Software Enhancements:
- RPM Limit adjustment has been added to the Tuning Tables for 2017, 2018 and 2019 models that support time based RPM limit.
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