The dictionary meaning of the B2320 Code is B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 2 for MFG – Manufacturer Specific. 3 for IC Module 4X Ref Circuit Intermittent, No Pulses. 2 for Air Conditioning (A/C) Clutch Feedback Circuit High Voltage and 0 for Transmission Engaged At High Throttle Angle. The engine B2320 code had an extravagant diagnostics procedure, with showing the engine trouble codes on the air conditioning display. However, the system was troublesome, misinterpreted by customers, and a rash of random failures led to the technology being quickly discharged. On the body of the engine has the problem.