LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis (Single Page) >> General Information >> OEM General Information >> Vehicle Diagnostic Information - Scan Tool Data - Except ECM, BCM, Audio Amplifier, Active Safety Module >> Specifications >> Rear Differential Clutch Control Module Scan Tool Information
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Rear Differential Clutch Control Module Scan Tool Information

Rear Differential Clutch Control Module Scan Tool Data Parameters

Parameter Expected Value Description
Operating Conditions:  Ignition is ON, engine OFF, and vehicle is stationary.
Left Front Wheel Speed Sensor 0 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).
Left Rear Wheel Speed Sensor 0 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 Differential Clutch Control Module Temperature Varies The scan tool displays °C. The scan tool indicates a range from -40 to 215 °C.
Rear Differential Clutch Pump Motor Calculated Temperature Varies The scan tool displays the calculated temperature °C. The scan tool indicates a range from -40 to 215 °C.
Rear Differential Clutch Oil Pressure 0 The scan tool displays the Rear Differential Hydraulic System Pressure in Bar.
Rear Differential Clutch Pump Motor Current 1 0 The scan tool displays the current in mA through the pump motor. Circuit A.
Rear Differential Clutch Pump Motor Current 2 0 The scan tool displays the current in mA through the pump motor. Circuit B.
Rear Differential Clutch Solenoid Valve Current 0 The scan tool displays the current in mA through the rear differential clutch solenoid valve.
Rear Differential Clutch Status Temporarily Disabled The scan tool displays either Normal, Temporarily Disabled, Temporarily Limited, Malfunctioned, or Externally Disabled.
Rear Drive Clutch Solenoid Valve Command Open The scan tool displays the Rear Differential Clutch Solenoid Commanded State. Open or Closed.
Rear Drive Clutch Solenoid Valve Duty Cycle 0 The scan tool displays the Rear Differential Clutch Solenoid Duty Cycle %.
Rear Drive Clutch Status Temporarily Disabled The scan tool displays either Normal, Temporarily Disabled, Temporarily Limited, Malfunctioned, or Externally Disabled.
Right Front Wheel Speed Sensor 0 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).
Right Rear Wheel Speed Sensor 0 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).
Calculated Vehicle Speed 0 The scan tool displays the Vehicle Speed Low Resolution. km/h (MPH)
Rear Differential Hydraulic System Service Bleed Complete The scan tool displays the status of the Rear Differential Hydraulic System Service Bleed.
System Power Mode Varies The scan tool displays the System Power Mode.
Battery Voltage Varies The scan tool displays the ECU monitored Battery Voltage.
5V Reference Around 5V The scan tool displays the 5 Volt Reference Voltage Input.
Rear Differential Oil Temperature Varies The scan tool displays the Rear eLSD Oil Temperature.
Rear Differential Oil Pressure Sensor Varies The scan tool displays the Rear Differential Oil Pressure Sensor Voltage.
Rear Differential Oil Sump Temperature Sensor Varies The scan tool displays the Rear Differential Oil Sump Temperature Sensor Voltage.
Rear Differential Clutch Temperature Varies The scan tool displays the Rear eLSD Clutch Temperature.
Calculated Rear Differential Clutch Speed Variation 0 The scan tool displays the Rear Electronic Limited Slip Differential (eLSD) Left / Right Speed Delta in RPM.
Calculated Rear Differential Clutch Plates Temperature Varies The scan tool displays the Rear Electronic Limited Slip Differential (eLSD) Clutch Plates Temperature.
Rear Differential Clutch Control Module Scan Tool Disable Data

Parameter Expected Value Description
Operating Conditions:  Ignition is ON, engine OFF, and vehicle is stationary.
Control Module Communication High Speed CAN Bus Off Normal Status of High Speed CAN Bus communication.
Control Module Communication Chassis Expansion CAN Bus Off Normal Status of Chassis Expansion CAN bus communication.
Control Module Performance Normal Status of the Chassis Control Module memory hardware.
Control Module Processor Performance Normal Status of the Chassis Control Module software.
Rear Differential Clutch Control Module Function Permanently Failed No Status of the Rear Differential Clutch Control Module function.
Lost Communication with Differential Control Module - Rear No Communication status between the RDCM and the CCM.
Lost Communication with Electronic Brake Control Module on Chassis Expansion CAN Bus No Communication status between the EBCM and the CCM
System Voltage Performance Ok System Voltage Performance
Rear Differential Clutch Control Module Function Temporarily Limited No eLSD system status reported by the RDCM to the CCM.
Electronic Brake Control Module - Left Front Wheel Speed Signal Ok Status of left front wheel speed data from EBCM.
Electronic Brake Control Module - Right Front Wheel Speed Signal Ok Status of right front wheel speed data from EBCM.
Electronic Brake Control Module - Left Rear Wheel Speed Signal Ok Status of left rear wheel speed data from EBCM.
Electronic Brake Control Module - Right Rear Wheel Speed Signal Ok Status of right rear wheel speed data from EBCM.
Engine Control Module - Accelerator Pedal Position Signal Ok Status of Acceleration Pedal Position Signal from the ECM.
Body Control Module - Brake Pedal Signal Ok Status of Brake Pedal Initial Travel signal from the BCM.
Torque Signal Received From ECM Ok Status of Axle Torque Signal from the TCM.
Body Control Module - System Power Mode Signal Ok Status of System Power Mode Signal from the BCM.
Invalid Data Received From Steering Wheel Angle Sensor Module Ok Status of the steering wheel angle signal from the SAS.
Inflatable Restraint Sensing and Diagnostic Module - Lateral Acceleration Signal Ok Status of Lateral Acceleration Signal from the SDM.
Inflatable Restraint Sensing and Diagnostic Module - Longitudinal Acceleration Signal Ok Status of Longitudinal Acceleration Signal transmitted from the SDM..
Inflatable Restraint Sensing and Diagnostic Module - Yaw Rate Signal Ok Status of Yaw Rate Signal transmitted from the SDM.
Engine Control Module - Engine Speed Signal Ok Status of the Engine Speed Signal from the ECM.
Lost Communication with Engine Control Module No Status of communication with ECM.
Lost Communication with Inflatable Restraint Sensing and Diagnostic Module No Status of communication with SDM.
Lost Communication with Body Control Module No Status of communication with BCM
Lost Communication with Steering Wheel Angle Sensor Module No Status of communication with SAS.
Body Control Module - Outside Air Temperature Signal Ok Status of Outside Air Temperature signal reported by the BCM. HVAC module is the source of the temperature signal.
Transmission Control Module - Transmission Fluid Temperature Signal Ok Status of the Transmission Oil temperature signal from the TCM.
Engine Control Module - Requested Engine Torque Signal Ok Status of Engine Torque signal from ECM.
Rear Differential Clutch Control Module Function Temporarily Inhibit No eLSD system status reported by the RDCM to the CCM.
Lost Communication with Electronic Brake Control Module on High Speed CAN Bus No Status of communication with the EBCM.
Rear Differential Clutch Control Module - Rear Axle Torque Feedback Signal Ok Status of Rear Axle Torque feedback signal from the RDCM.
Electronic Brake Control Module - Vehicle Reference Speed Signal Ok Status of Vehicle Reference Speed from the EBCM.
Rear Differential Clutch Control Module Scan Tool Output Controls

Output Control Description
Pump Motor This function allows the technician to command the pump motor ON and OFF.
Rear Differential Clutch Solenoid Valve This function allows the technician to command the clutch solenoid valve. The system will increase or decrease the current in increments of 200 mA.
Rear Differential Hydraulic Line Fill This function allows the technician to perform the Rear Differential Hydraulic System Service Fill. Refer to Rear Differential Hydraulic System Service Fill/Bleed .
Rear Differential Hydraulic System Service Bleed This function allows the technician to perform the Rear Differential Hydraulic System Service Bleed. Refer to Rear Differential Hydraulic System Service Fill/Bleed .
scientia non olet · About LEMON Manuals