The basic meaning of the B2134 Code is not all for solving the problem of the engine. The basic meaning is dictionary meaning and it is found online. The important meaning of the code is found from the manual of the car or manual of the car engine. The dictionary meaning 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 3 for Cruise Control Servo Indicates Low and 4 for Cruise Vehicle Speed/Set Speed Difference Too High. Fix the car engine problem if you want to drive the car.