The basic meaning of the B2152 Code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 2 for MFG – Manufacturer Specific. 1 for Transmission. 5 for TP Sensor Learn Not Complete and 2 for A/C System High Pressure High Temperature. The deactivation method of cylinders is achieved by releasing a synchronizer pin that usually interlocks the cam follower and rocker arms. The B2152 code determinations the synchronizer pin is unconfined using hydraulic compression which is controlled by a dedicated solenoid. This code has a general meaning but it is not all for solving the problem from engine.