Clearing Codes [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: Clearing Codes


flanman5
04-14-2005, 09:24 PM
How do you clear codes with out a scanner?
That would be great thanks guys and gals
Thanks

69camarox
04-14-2005, 09:31 PM
i dis conect the battery for 5 min or so

flanman5
04-14-2005, 09:34 PM
Ok so it is the same as the obd1 system then?
Thanks a bunch

69camarox
04-14-2005, 10:01 PM
yes the only thing i could not clear in 5 min was hard codes meaning the problem stil existed so just reset code and the trans adapts hard shift after a trans rebuild that took the bat being disconected overnight

flanman5
04-14-2005, 10:07 PM
How do u reset hard codes?

quantum mechanic
04-15-2005, 10:06 AM
Fix them. LOL, then the ECM doesn't see the problem anymore.