Transmission Control Module Scan Tool Information
Transmission Control Module Scan Tool Information |
The transmission control module (TCM) scan tool data parameters list contains all TCM related parameters that are available on the scan tool. The list is arranged in alphabetical order. A given parameter may appear in any one of the data lists.
Transmission Control Module Scan Tool Data Parameters
Parameter | System State | Expected Value | Description | |||||||||||||||
Operating Conditions:
Ignition ON
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Accelerator Pedal Position
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Accelerator Pedal Released
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0%
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The scan tool displays the accelerator pedal position in percent pending on the position of the pedal.
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Accelerator pedal pushed down
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100%
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Actual Engine Torque
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-
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0-410 Nm (0-302 lb ft)
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The scan tool displays the actual engine torque.
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Brake Band Pressure Control Solenoid Valve Current
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Selector switch in P
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1 000 mA
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The scan tool displays the solenoid valve current.
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Brake Pedal Switch
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Brake pedal released
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Inactive
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The scan tool displays Inactive or Active depending on the state of the brake pedal.
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Brake pedal applied
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Active
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Clutch Pressure Control Solenoid Valve 1 Current
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Selector switch in P
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1 000 mA
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The scan tool displays the solenoid valve current.
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Clutch Pressure Control Solenoid Valve 2 Current
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Selector switch in P
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1 000 mA
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The scan tool displays the solenoid valve current.
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Clutch Pressure Control Solenoid Valve 3 Current
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Selector switch in P
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1 000 mA
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The scan tool displays the solenoid valve current.
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Control Module Voltage Signal
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-
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11-14 V
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The scan tool displays in volts the current battery voltage.
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Current Gear
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Selector lever in position P, R, N, D
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P, R, N, D
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The scan tool displays the actual gear selected.
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Descent Mode
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-
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Inactive
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The scan tool displays the descent mode active or inactive.
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Downshift Protection
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-
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Inactive
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The scan tool displays the descent mode active or inactive. When the preventive downshift protection function became "active" at the first time after ignition ON, the parameter will be set and will kept up until ignition OFF.
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Driver Shift Control Mode
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Selector switch in D
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Inactive
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The scan tool displays the driver shift control mode is active or inactive
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Selector switch in +/-
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Active
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Driver Shift Control Mode Switch
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Selector switch in D
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Inactive
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The scan tool displays the driver shift control mode is active or inactive as a CAN signal
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Selector switch in +/-
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Active
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Driver Shift Request
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Selector switch +
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Shift Up
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The scan tool displays the driver shift request
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Selector switch -
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Shift Down
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Engine Speed
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Engine running at idle speed
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800-950 RPM
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The scan tool displays the actual engine speed.
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Gear Ratio
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-
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0.0:1
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The scan tool displays the actual gear ratio.
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Ignition Voltage Signal
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-
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11-14 V
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The scan tool displays in volts the current ignition voltage.
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Kickdown Mode
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Accelerator Pedal Released
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Inactive
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The scan tool displays the kickdown request.
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Accelerator Pedal actuated to full load
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Active
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Kickdown Switch
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Accelerator Pedal Released
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Inactive
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The scan tool displays the kickdown switch status.
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Accelerator Pedal actuated to full load
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Active
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Line Pressure Control Solenoid Valve Current
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-
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1 000 mA
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The scan tool displays the Line Pressure Control Solenoid Valve Current.
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Neutral Idle Mode
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Engine running at idle speed.
Accelerator pedal not actuated |
Inactive
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The scan tool displays the Neutral Idle Mode.
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Engine running at idle speed.
Selector lever in position D |
Active
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Power Mode Status
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-
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Active
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The scan tool displays if the unlock hardwire input to the controller is active or not.
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Shift Solenoid Valve 1
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Selector lever in position D
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On
Shift Solenoid Valve switches only briefly to On while shifting. |
The scan tool displays the Shift Solenoid Valve 1.
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Selector lever in position P
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Off
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Shift Solenoid Valve 2
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Selector lever in position D
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On
Shift Solenoid Valve switches only briefly to On while shifting. |
The scan tool displays the Shift Solenoid Valve 2.
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Selector lever in position R
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Off
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Sport Mode
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Selector lever in position D
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Inactive
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The scan tool displays the sport mode status.
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Sport Program key pressed
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Active
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Sport Mode Switch
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Selector lever in position D
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Inactive
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The scan tool displays the sport mode switch status.
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Sport Program key pressed
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Active
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TCC Control
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Engine running at idle speed.
Selector lever in position P |
Disengaging
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The scan tool displays the Transmission Torque Converter Clutch (TCC) Status.
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TCC Pressure Control Solenoid Valve Current
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Engine running at idle speed.
Selector lever in position P |
200-300 mA
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The scan tool displays the TCC Pressure Control Solenoid Valve Current.
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TCC Slip Speed
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Engine running at idle speed.
Selector lever in position P |
0 RPM
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The scan tool displays the TCC Slip Speed.
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Transmission Fluid Temperature
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Engine running at idle speed.
Selector lever in position P |
60-80°C
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The scan tool displays the transmission oil temperature.
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Transmission (ISS)
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Engine running at idle speed.
Selector lever in position P |
700-950 RPM
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The scan tool displays the transmission input shaft speed.
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Transmission (OSS)
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Engine running at idle speed.
Selector lever in position P |
0 km/h (0 MPH)
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The scan tool displays the transmission output shaft speed.
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Transmission Range Switch
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Selector lever in position P, R, N, D
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P, R, N, D
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The scan tool displays the Transmission Range Selector Position.
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Transmission Shift Mode
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-
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There are a number of shift patterns that the TCM selects from. This scan tool display shows which pattern is currently used.
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Vehicle Speed
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-
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0 km/h (0 MPH)
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The scan tool displays km/h (MPH) depending on the current speed of the vehicle.
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Warm-Up Mode
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Engine running at idle speed, operating temperature.
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Inactive
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The scan tool displays the status of the warm-up mode.
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Transmission Control Module Scan Tool Output Controls
Output Control | Description | |||||||||
Brake Band Pressure Control Solenoid Valve
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Transmission selector switch in P or N. Command the TCM brake band pressure Increase or Decrease.
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Clutch Pressure Control Solenoid Valve 1
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Clutch Pressure Control Solenoid Valve 2
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Clutch Pressure Control Solenoid Valve 3
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Line Pressure Control Solenoid Valve
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Solenoid Valve 1
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Solenoid Valve 2
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TCC Solenoid Valve
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Transmission selector switch in P or N. Command the TCM TCC solenoid valve Increase or Decrease.
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