The B1570 Code is linked with the defective engine and it is essential to resolve the problem. For resolving the problem, many tools and machineries are necessary. You may not have all expensive machineries. So, you should take the car to the auto fixing center. The dictionary meaning of the code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 1 for MFG – Manufacturer Specific. 5 for Computer and Auxiliary Outputs. 7 for Vehicle Speed Output Circuit. 0 for Transmission Engaged At High Throttle Angle. You should give a test drive after solving the problem.