| Wheel speed data |
ABS module |
The TCCM uses wheel speed information for the four-wheel drive system to determine percentage of torque to be transferred to the front wheels. |
| Steering wheel angle |
ABS |
The TCCM uses steering wheel angle information to disengage the 4WD clutch to prevent bind up during parking lot maneuvers in 4A, 4H, and to some degree in 4L. |
| Gear state |
TCM |
The TCCM uses gear state for the four-wheel drive system to determine percentage of torque to be transferred to the front wheels. |
| Drive Mode Module |
ATCM |
The TCCM uses the drive mode selection to determine the which 4WD mode and the percentage of torque to be transferred to the front wheels for the operating conditions. |
| Ignition Status |
BCM |
The TCCM compares the ignition status broadcast by the BCM with the hardwired input to enable shift motor operation. |
| Drive Door Status |
BCM |
The TCCM uses the driver door status for the neutral flat tow feature. |