Scan Tool Data Definitions

WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

ABS Active: The scan tool displays Yes or No. The active status of the ABS. Indicates if ABS is currently active.
ABS Relay Command: The scan tool displays On or Off - The scan tool displays On during vehicle operation. The EBCM commands the ABS relay On when Ignition positive voltage is present.
ABS Relay Feedback: The scan tool displays On or Off - The scan tool displays On during vehicle operation.
ABS Warning Lamp: The scan tool displays Off or On. Indicates if the EBCM is commanding the ABS indicator.
Auto Learn Mode Active: The scan tool displays Yes or No. Indicates if TIM is currently in learn mode.
Brake Fluid Level: The scan tool displays Low or Normal - The scan tool displays if the brake fluid level is below the standard operating level.
Brake Switch Status: The scan tool displays Applied or Released - The scan tool displays the state of the brake switch.
Brake Temp Status: The scan tool displays Normal or Over Temp. The status of the brake temperature. Indicates if the brake temperature is above the traction control thermal cutoff point. If brake temperatures are above the thermal cutoff point, Over Temp is displayed and traction control is temporarily suspended until the brake temperature cools below the cutoff. This feature is used to maintain braking effectiveness if the base braking system is required. Overly heated brakes could result in brake fade.
Configuration ID: The scan tool displays the 4 digit configuration ID of the control module.
DE Base Part Number: The scan tool displays the base part number of the EBCM.
DE Build Sequence Number: The scan tool displays the number in order that the EBCM was built.
DE Calibration Part Number: The scan tool displays the calibration part number of the EBCM.
DE End Model Part Number: The scan tool displays the end model part number of the EBCM.
DE ROM Part Number: The scan tool displays the ROM part number of the EBCM.
DRP Active: The scan tool displays Yes or No. The active status of the DRP indicates if DRP is currently active.
DRP Disabled: The scan tool displays Yes or No. The failed status of the DRP indicates if the EBCM disabled DRP due to a malfunction.
DRP Equipped: The scan tool displays Yes or No. Indicates if the vehicle is equipped with DRP.
DRP Switched Battery Voltage: The scan tool displays 0 to 17 volts. The level of the internal EBCM switched battery voltage available to the solenoid valves and pump motor.
EBCM to PCM Requested: The scan tool displays 0 to 100 percent - The scan tool displays the torque signal. The signal is used to transmit how much torque the EBCM is requesting the PCM to deliver. Normal values are between 10 and 100 percent. The signal should be at 100 percent when the traction control is not active and at lower values when the traction control is active.
Electronic Battery Fd: The scan tool displays 0 to 30 Volts. The voltage measured between the module's battery positive voltage circuit and ground circuit.
Ignition Voltage: The scan tool displays 0 to 17 volts. The level of ignition voltage at the EBCM.
Julian Date Code: The scan tool displays year and day. The first digit indicates the last digit of the year that the EBCM was built. The remaining 3 digits indicate the day of the year that the EBCM was built.
Left Front Wheel Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The actual speed of the left front wheel.
Left Rear Wheel Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The actual speed of the left rear wheel.
LF Inlet Valve Solenoid: The scan tool displays Active or Inactive - The scan tool displays the commanded state of the LF inlet solenoid valve.
LF Outlet Valve Solenoid: The scan tool displays Active or Inactive - The scan tool displays the commanded state of the LF outlet solenoid valve.
LF Rotor Temperature: The scan tool displays -40 to +650°C (-40 to +1202°F). The estimated temperature of the left front brake rotor.
Low Tire Pressure: The scan tool displays Yes or No. Indicates if the EBCM has determined that a tire has low pressure.
LR Inlet Valve Solenoid: The scan tool displays Active or Inactive - The scan tool displays the commanded state of the LR inlet solenoid valve.
LR Outlet Valve Solenoid: The scan tool displays Active or Inactive - The scan tool displays the commanded state of the LR outlet solenoid valve.
Monitor Mode 1: The scan tool displays Yes or No. Indicates if TIM is currently in mode 1 monitoring. The EBCM has limited detection capability for a low tire condition and has only partially learned the tire inflation configuration for the speed range.
Monitor Mode 2: The scan tool displays Yes or No. Indicates if TIM is currently in mode 2 monitoring. The EBCM has full detection capability for a low tire condition and has fully learned the tire inflation configuration for the speed range.
PCM to EBCM Delivered: The scan tool displays 0-100 percent - The scan tool displays the Requested Torque signal. The signal is used to transmit how much engine torque the PCM is delivering. Normal values are between 10 and 100 percent. The signal is at low values at idle and at higher values under driving conditions.
PROM ID: The scan tool displays the 4 digit PROM ID of the EBCM.
Pump Motor Commanded State: The scan tool displays Off or On. Indicates the commanded state of the pump motor control.
Pump Motor Feedback State: The scan tool displays Off or On. Indicate the actual state of the pump motor control.
Red Brake Lamp: The scan tool displays Off or On. Indicates if the red Brake warning indicator is currently ON.
RF Inlet Valve Solenoid: The scan tool displays Active or Inactive - The scan tool displays the commanded state of the RF inlet solenoid valve.
RF Outlet Valve Solenoid: The scan tool displays Active or Inactive - The scan tool displays the commanded state of the RF outlet solenoid valve.
RF Rotor Temperature: The scan tool displays -40 to 650°C (-40 to 1202°F). The estimated temperature of the right front brake rotor.
Right Front Wheel Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The actual speed of the right front wheel.
Right Rear Wheel Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The actual speed of the right rear wheel.
Rough Road Parameter: The scan tool displays 0 to 1 g. The EBCM calculation of the road surface, this information is sent to the PCM over the class 2 serial data line. The PCM uses this information for misfire detection.
RR Inlet Valve Solenoid: The scan tool displays Active or Inactive - The scan tool displays the commanded state of the RR inlet solenoid valve.
RR Outlet Valve Solenoid: The scan tool displays Active or Inactive - The scan tool displays the commanded state of the RR outlet solenoid valve.
Switched Battery Voltage: The scan tool displays 0 to 17 volts. The level of the internal EBCM switched battery voltage available to the solenoid valves and pump motor.
System ID: The scan tool displays the configuration ID of the EBCM.
TCS Active: The scan tool displays Yes or No. The active status of the TCS. Indicates if TCS is currently active.
TCS Active Lamp: The scan tool displays Off or On. Indicates if the EBCM is commanding the Traction Active indicator ON.
TCS Circuit History: The scan tool displays history status of the requested torque signal circuit.
TCS Circuit Status: The scan tool displays OK or Fault. The status of the delivered torque signal circuit.
TCS Disable Lamp: The scan tool displays Off or On. Indicates if the EBCM is commanding the TRAC OFF indicator ON.
TCS Enable Status: The scan tool displays Off or On - The scan tool displays the state of the TCS based on if the driver has disabled TCS by pressing the Traction Control switch, or if the TCS is disabled because of a malfunction.
TCS Equipped: The scan tool displays Yes or No. Indicates if the vehicle is equipped with TCS.
TCS Failed: The scan tool displays Yes or No. The failed status of the TCS. Indicates if the EBCM disabled TCS due to a malfunction.
TCS Switch State: The scan tool displays Was Pressed. Indicates if the traction control switch was pressed.
TCS Warning Lamp: The scan tool displays Off or On. Indicates if the EBCM is commanding the Traction Off indicator ON.
TIM Equipped: The scan tool displays Yes or No - The scan tool displays if vehicle is equipped with TIM.
TIM Reset Switch: The scan tool displays Was Pressed. Indicates if the TIM reset switch was pressed.
Torque Delivered Signal: The scan tool displays 0 to 100 percent. The duty cycle of the delivered torque signal. The duty cycle of the signal is used to transmit how much engine torque the PCM is delivering. Normal values are between 10 and 90 percent duty cycle. The signal is at low values (approximately 10 percent) at idle and at higher values under driving conditions.
Torque Request Signal: The scan tool displays 0 to 100 percent. The duty cycle of the requested torque signal. The duty cycle of the signal is used to transmit how much engine torque the EBCM is requesting the PCM to deliver. Normal values are between 10 and 90 percent duty cycle. The signal is at 90 percent duty cycle when traction control is not active and at lower values (approximately 10 percent) when traction control is active.
Traction Control: The scan tool displays Active or Inactive. The active status of the TCS. Indicates if TCS is currently active.
Traction Control Status: The scan tool displays Active or Inactive. The active status of the TCS. Indicates if TCS is currently active.
Traction Off Lamp: The scan tool displays Off or On. Indicates if the EBCM is commanding the TRAC OFF indicator ON.
Vehicle Speed: The scan tool displays 0-255 km/h (0-158 mph) - This parameter displays the vehicle speed. The Powertrain Control Module (PCM) receives reference pulses from the Vehicle Speed Sensor (VSS) and converts them into km/h or MPH for display.
VES Actuator Commanded: Displays -3.3 to +3.3 amps. The amount of current that the EBCM is commanding to the variable effort steering actuator.
VES Actuator Feedback: Displays -3.3 to +3.3 amps. The actual amount of current that the variable effort steering actuator is drawing from the EBCM. The scan tool display the absolute value (i.e. positive value) of the feedback current.
VES Equipped: The scan tool displays Yes or No - The scan tool displays if vehicle is equipped with VES.