To check codes turn keyswitch to on position and press accelerator pedal 3 times within 3 seconds. To clear codes press accel pedal 10 times but if you clear the codes without checking to see what they are and then have to call a tech out he will have no history to go on for the troubleshooting.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.