The B1260 Code has different meanings and meanings of the code depends on the manufacturer and models of the car. The diagnosis code B1260 comes for the hotness may be a gusted head gasket. Heat creates aluminum swell almost 3 times faster than cast iron. The B1260 Code has dictionary meaning. The meaning of the code is B for Body Problem, 1 for MFG – Manufacturer Specific, 2 for Fuel and Air Metering (Injector Circuit Malfunctions Only) and 60 for 60 Engine Fault Code. However, Foreign cars may also use DTC codes unlike from the general Engine Diagnostic codes. Manual is also necessary to identify the problem properly.