Meaning of the B1897 Code is necessary to know and if you know the real meaning of the code, you need to use machine for solving the problem. Those tools and machines are very expensive. However, if you have experience and all tools, you can fix the problem. You can use the dictionary meaning and it 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 7 for Cruise Inhibit Control Circuit. You can understand where the problem is.