The B1349 Code is a diagnosis code of the engine of a car. The utmost likely reason of this is that there is no refrigerant left in your scheme. This could be a reason by a leak in your system everywhere, which will have to be protected before replenishing the refrigerant. If you are car expert and you have a set of air conditioning gauges and you can refill the refrigerant is typically easy to do yourself. However, if you are not so self-confident, recruit the help of a knowledgeable friend or take a swift trip to the mechanic. It is better if you do the fix with professional.