Get the meaning of the B2108 Code and it is impossible to solve the car engine problem if the real meaning of the code is unknown. Do not get mad to drive this car if you do not fix the car engine problem. The body of the engine has the main problem and from the dictionary meaning, the problem is detected. The body of the code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 2 for MFG – Manufacturer Specific. 1 for Transmission. 0 for IC Circuit High Voltage and 8 for PCM Stack Overrun.