Current Gear
The status indicates gear position at the time when the diagnostic trouble code was stored. The brake control module (BCM) obtains the value via CAN from the transmission control module (TCM) if the vehicle is equipped with automatic transmission or central electronic module (CEM) if the vehicle is equipped with manual transmission.
Values:
1st gear
2nd gear
3rd gear
4th gear
5th gear
6th gear
Reverse gear
Undefined