Join Date: Apr 2010
Location: Ohio USA
Drives: Kia, Suby Wagon, watercooled VW
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Clearing OBDII codes- there are 2 ways I know of to do this - works on every car I've seen (but I havent seen all cars yet...)
1) Disconnect the battery - or just pull the fuse that powers the ECM - leave it de-powered for at least 10 or 30 minutes. Disconnecting the battery also loses radio presets...
2) Find someone with a code reader, or go to FLAPS/McParts store (here in the US they are Autozone, western Auto, Advance, Pep Boys...) Most of the chain car parts stores have a code scanner that they will hook up and read your codes for you.
few of the stores will clear the codes for you, but all you need to do is ask them to hook up the scanner (its a hand-held box), then when its connected and the employee shows you the screen with the codes, ask him/her to let you see and touch the scanner, when they do, drill down through the menu and select the option that says "clear codes" (some scanners have a 'clear codes' button). Different scanners work different ways, but they are all pretty simple (menus with up and down arrows etc.).
Parts store employees wont clear the codes themselves because of some corporate concerns about liability (?(, but they normally wont stop you from doing it on your own (just using their equipment, which is already hooked up...)