Relation of the B1919 Code has with the car engine and without fixing the issue of the car engine, do not drive the car. The general meaning of the code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 1 for MFG – Manufacturer Specific. 9 for Fuel and Air Metering. 1 for Low Coolant Circuit and 9 for Kick-Down Switch Failed Short. Now you can fix the issue from the car engine if you have all expensive machines and experience. Do not drive the car until the problem of the car engine is solved.