The engine B1274 Code has different meaning what is related with the manufacturer and model of the car. This error code has appeared for the body problem. It is necessary to identify the problem and to do this, it is important to get manufacturer and model number of the vehicle. The code B1274 appears for the body problem of the engine. The code has specific meaning and B for Body Problem, 1 for MFG – Manufacturer Specific, 2 for Fuel and Air Metering and 63 for 63 Engine Fault Code. The technician should read the manual for understanding all meaning of the code B1274.