The general meaning of the B2597 Code is not very informative. The general meaning of the code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 2 for MFG – Manufacturer Specific. 5 for Computer And Auxiliary Outputs. 9 for Crankshaft Position Sensor Circuit Performance and 7 for Cruise Inhibit Control Circuit. The engine B2597 code looks a kind of body problem. The engine system triggers the B2597 code solenoid valve to control oil pressure to the engine mechanism that is installed in the valve system to switch valve timing between Low and High.