This B2489 Code is found in the car engine and this code has different meanings according to the manufacturer. Do not drive the car if the car engine has the problem. You should use the car manual and get the real meaning of the code for solving the car engine. This code is found in different automobile engines and meaning of the code is not similar and different. Do not think to drive the car with any problem from the engine. This code has dictionary meaning but it is necessary to use for general meaning. 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. 4 for Fuel And Air Metering (Injector Circuit Malfunctions Only). 8 for Crankshaft Position Sensor Circuit Performance and 9 for A/C System High Pressure High Temperature. However, once you are ready with the proper car engine, you can solve the problem if you have all machines and information. There are many information what you will get related with the engine and car. You may need to get all those information for solving the problem. After solving the problem, take the car for test drive.