Nissan frontier service engine light codes AutoCodes - Engine Light ON (or Service Engine Soon Warning Light) Possible causes 2000-2001 Nissan Maxima Factory Service Bulletin OBDII Code P0420 2001 Nissan Frontier Nissan OBD-II Trouble... Source Source Source Source Source Source Source Source Source Source Read Also: 2001 Nissan frontier p0420 code Nissan maxima engine code p0420 Nissan service engine soon code p0420 Nissan frontier engine light codes 2002 Nissan maxima service engine soon codes Nissan xterra engine light codes