Gear Position

Range: PARK/REVERSE/NEUTRAL/DRIVE/DRIVE 3/DRIVE 2/DRIVE 1:
This data indicates what message is being sent from the BCM to the instrument cluster in order to control the illumination of the PRNDL display. The PCM reads the transaxle range switch and transmits the selected gear position information over the class 2 serial data serial data line.

The BCM reads this gear selection information and transmits this information to the instrument cluster over the SPI data line. The instrument cluster turns on the correct PRNDL indicator.