Scan Tool Data Definitions
The following information will assist in diagnosing Body Function Controller (BFC) problems. The technician can view the displays while the vehicle is being driven.The data messages displayed on the scan tool are divided into Module Information, Powertrain Control Module (PCM) to Body Function Controller (BFC) A/C Clutch Data, Data, Inputs, Outputs, Security Data, Serial Peripheral Interface (SPI) Data and Body Function Controller (BFC) to Cluster Data lists as follows: