place battery poles on wrong side now get code1296 and vehicle idling high n low on 2003 Honda CR-V

vehicle starts good just idling high n low wen i drive its good only on idle, wat can i do to fix this problem thanks..

Asked by for the 2003 Honda CR-V
1 answer
1296 is either battery has recently been disconnected or driver side door open cant remember which,but nothing major......