The B1339 Code is associated with the engine and for the diagnosis of the car, the code has appeared. The rule of B1339 code comes to releases related car repair is that any alteration that changes the vehicle from a specialized formation to a non-certified shape is careful tampering: this smears to both vehicle owners and repair amenities and is, therefore, a Federal offense. The dictionary meaning of the code is B is Body Code Problem is antilock brake system, electronic suspension and steering systems. 1 is MFG – Manufacturer Specific. 3 is IC Module 4X Ref Circuit Intermittent, No Pulses. 3 is Cruise Control Servo Indicates Low and 9 is Kick-Down Switch Failed Short.