![]() The module will set a low voltage DTC and a high voltageĭTC to indicate voltage value out of range. The rear differential clutch control module monitors the outside air temperature maintaining consistent and continuous temperature compensation for torque transfer from -20☌ (-4☏) to 100☌ (212☏). When the temperature of the module is back within the limits, the rear differential clutch control module will enable the rear drive system. When the temperature of the module is determined to be beyond its limits, the rear differential clutch control module will temporarily disable the rear drive system and the driver information center will display the AWD Off or code 173 message. The rear differential clutch control module has an internal temperature sensor, which will maintain consistent and continuous temperature compensation for torque transfer from -40☌ to +120☌. If the current is out of the specified range, a DTC will be set, and the driver information center will display the Service AWD or code 73 message. The secondary clutch applies the torque from the drive shaft, driving the rear wheels. The coil applies a load on the primary clutch which rotates the ball cam loading the secondary clutch. The torque transfer to the rear wheels is controlled by the rear differential clutch control module which sends current to the electromagnet coil in the clutch. This should not result in the replacement of rear differential clutch control module. The AWD Off or code 173 message will be displayed in the driver information center if the mini-spare tire or a very small sized tire has been installed. If the vehicle is being driven very aggressively or an unexpected tire size has been used, the AWD Off or code 173 message will be displayed in the driver information center. When these messages are displayed, the system is disabled and the vehicle will default to 2wd. Service All Wheel Drive or code 73 and AWD Off or code 173. The driver information center can display two messages for the Rear Drive Axle system. This data is transmitted via the vehicles Controller Area Network (CAN) from other modules and sensors in the vehicle. The rear differential clutch control module uses wheel speeds, steering angle, lateral acceleration, yaw, chassis control intervention, and other signals to determine the torque to be applied. The all wheel drive (AWD) clutch assembly contains an electromagnetic coil, primary clutch, a ball cam, a secondary clutch, and a rear differential clutch control module. The system distributes torque to the rear wheels to enhance traction and improve vehicle handling performance. ![]() The rear drive axle system operates as follows: Here is some nice reading on the rear differential and how it works. ![]()
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