Every address in Bd圜M will begin with 726, every address in IPC will begin with 720, and every address in APIM will begin with 7D0.
For example, Code B1262 identifies a Servo motor defrost circuit failure.
Code U0155 means Lost Communication With Instrument Panel Cluster (IPC) Control.
Address – Examples: 726-41-02, 720-01-01, 7D0-04-02 – the first 3 digits of an address denotes the module and in this example they are Bd圜M, IPC, APIM respectively.