The diagnosis B1299 Code is important thing and it is necessary to define the meaning for solving the problem. The meaning of the code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 1 for MFG – Manufacturer Specific. 2 for Accelerator Pedal Position (APP) Sensor 1 Performance. 9 for Crankshaft Position Sensor Circuit Performance and 9 for Kick-Down Switch Failed Short. From the code, it is identifiable that the problem is related with the body and that is why, it is not necessary to change any parts of the engine. Possible fix is related with Small but critical, a spark plug forms the car move. Its function is to explode the crushed fuel in the engine.