The B2148 Code says that the problem of the engine is related with the body of the engine and this can be understood from the dictionary meaning. The basic meaning of the code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 2 for MFG – Manufacturer Specific. For 1 for Transmission. 4 for BBV Sensor Circuit Low Voltage and 8 for PCM Stack Overrun. There are currently mainly 2 types of cylinder stopping process used, depending on the kind of engine. The B2148 code for the pushrod style which usages solenoids to alter the oil compression brought to the lifters.