How do you clear codes?
Melting Slicks
Joined: Jun 2002
Posts: 2,168
Likes: 16
From: Phoenix AZ
Re: How do you clear codes? (Steel Blue 91)
Is one method better than the other? I know disconnecting your battery will cause the ECM to "unlearn" all of its stored parameters, which will temporarily affect performance. Will pulling the ECM fuse have the same effect? Sounds like yes would be the obvious answer, but I could be wrong.
Team Owner
Joined: Sep 2001
Posts: 62,067
Likes: 1,722
From: Athens AL
C7 of the Year - Unmodified Finalist 2021
C4 of Year Finalist (performance mods) 2019
Re: How do you clear codes? (vetracer)
Pulling the ECM fuse will have the same effect as disconnecting the battery. ECM will have to relearn.
Racer
Joined: Jul 2002
Posts: 412
Likes: 0
From: corvallis or
Re: How do you clear codes? (vader86)
Both methods work the same. However niether clears the code it just moves it to history unless a problem still exist then it will come back as a hard code turning the light on. Soft codes or history codes must be cleared with a scan tool.
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