2014 Honda Civic A13 Service Maintenance codes minder honda service code a12 mean civic chart does oil reminder do 2007 ridgeline transmission message change based What does a12 code on a honda mean? What does A12 code on a Honda mean? What does A12 code on a Honda mean? Check Details ← 2014 Honda Civic Brake Rotors 2014 Honda Civic Alternator → Share with friends Link copied