engine service due
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New User
Joined: Feb 2007
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engine service due
does anyone know how to turn off the engine service light on a 2000 150 Harley Davidson, have been to the local british garage engine runs like a dream now but they dont know how to turn the light off, HELP
Posting Guru
Joined: Oct 2005
Posts: 2,209
Likes: 1
From: Louisville, Kentucky
Either with a code reader or disconnect the battery negative cable for 10 minutes. The code reader path will not effect the truck. The battery path will cause the truck to re-learn the fuel tables, etc. and it may run a little rough until the ECM re-learns. 
Hotshot
Joined: Jan 2004
Posts: 19,768
Likes: 1,082
From: St Louis
If you don't want to have to reprogram your radio, just locate and pull the sincle fuse listed for PCM Keep-Alive Memory (KAM). Leave the fuse out for 10-15 minutes with the ignition OFF, then reinstall. Observe the drivability notice in your owners manual regarding PCM resets.
Steve
Steve
Senior User
Joined: Nov 2006
Posts: 252
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Disconnect the battery, but I'm worried your problem may still exist. If the shop couldnt clear it either they only have a generic code reader or they dont know what they are doing. Some DTCs take up to 3 consecutive test passes to clear and the MIL goes away. But the tricky part is that in order for the test to run certain criteria must be met.... and you may not be meeting that criteria, its complicated. Just try doing the battery for now.
