Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Scan Tool Data Definitions - Rear Drive Axle
The rear differential clutch control module (CCM) scan tool data definitions contain a brief description of all CCM related parameters available on the scan tool. The parameters available on the scan tool are listed below in alphanumeric order.
Accelerator Pedal Position Sensor The scan tool displays a percent of pedal opening position. The scan tool displays a range from 0 to 100%.
Battery Voltage The scan tool displays volts. The scan tool displays a range from 0 to 25.5 volts.
Est. RDS clutch Spd. Variation The scan tool displays 1/min. The scan tool indicates a range from -640 to 635 RPMs.
Estimate clutch Temperature The scan tool displays °C. The scan tool indicates a range from -40 to 215°C.
LF Wheel Speed Sensor The scan tool displays 0-160 km/h (0-99.5 mph). The scan tool displays 0 km/h (0 mph) when the vehicle is not moving or is moving at speeds less than or equal to 0 km/h (0 mph).
LR Wheel Speed Sensor The scan tool displays 0-160 km/h (0-99.5 mph). The scan tool displays 0 km/h (0 mph) when the vehicle is not moving or is moving at speeds less than or equal to 0 km/h (0 mph).
Rear Drive Solenoid Cmd. The scan tool displays °C. The scan tool indicates a range from -40 to 215°C.
Rear Drive System Temperature Sensor The scan tool displays °C. The scan tool indicates a range from -40 to 215°C.
Rear Drive Torque Command The scan tool displays N-m. The scan tool displays a range from 0 to 2550 N-m.
RF Wheel Speed Sensor The scan tool displays 0-160 km/h (0-99.5 mph). The scan tool displays 0 km/h (0 mph) when the vehicle is not moving or is moving at speeds less than or equal to 0 km/h (0 mph).
RR Wheel Speed Sensor The scan tool displays 0-160 km/h (0-99.5 mph). The scan tool displays 0 km/h (0 mph) when the vehicle is not moving or is moving at speeds less than or equal to 0 km/h (0 mph).
Vehicle Speed The scan tool displays 0-1024 km/h (0-636 mph). The scan tool displays 0 km/h (0 mph) when the vehicle is not moving.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.