The dictionary meaning of the B1894 Code helps you to understand the problem of the code and real meaning of the code is more important to solve the problem. The dictionary meaning of the code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 1 for MFG – Manufacturer Specific. 8 for Ignition System or Misfire. 9 for Crankshaft Position Sensor Circuit Performance and 4 for Cruise Vehicle Speed or Set Speed Difference Too High. Without knowing the real meaning of the code, it is impossible to get the problem of the code and solve it.