Clear codes and ECM Reset
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Stellar HDF Member
Joined: Sep 2021
Posts: 2,045
Likes: 1,486
From: Black Hills of SD
Clear codes and ECM Reset
2002 bone stock efi TC/88 Fatboy.
I have read to clear codes and reset the factory ECM to the original factory settings to do the following.
Disconnect the battery for 5+ minutes.
Use ignition on/off 4 times with 8 seconds between each action with the run switch in the On position.
Neither method seems to work. The latest one I read was to pull the ECM fuse. That seems like it would be the same as disconnection the battery, but I will try that next.
Thoughts?
I have read to clear codes and reset the factory ECM to the original factory settings to do the following.
Disconnect the battery for 5+ minutes.
Use ignition on/off 4 times with 8 seconds between each action with the run switch in the On position.
Neither method seems to work. The latest one I read was to pull the ECM fuse. That seems like it would be the same as disconnection the battery, but I will try that next.
Thoughts?
Thread Starter
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Stellar HDF Member
Joined: Sep 2021
Posts: 2,045
Likes: 1,486
From: Black Hills of SD
No go. Different years, different clearing methods. I don't have the 2002 Factory Electrical manual, but I see one in my future....
Me and this bike are getting tired of each other. The more I try to love it the more it pisses in my Wheaties.
Thank you for the effort in trying to help me out.
Me and this bike are getting tired of each other. The more I try to love it the more it pisses in my Wheaties.
Thank you for the effort in trying to help me out.
Ya that holding the odometer reset doesnt work on the tach/speed gauge
Ya that holding the odometer reset doesnt work on the tach/speed gauge I have to use a jumper wire in the diagnostic port. And read the chk eng light blinks. Never did find out how to reset the ecm or erase trouble codes
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