Scan Tool Data Definitions

WARNING: This page is about a different car, the 2004 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

8 Digit GM Part Number: The scan tool displays the part number of the control module.
ABS Active: The scan tool displays Yes or No. The active status of the ABS. Indicates if ABS is currently active.
ABS Active Indicator: The scan tool displays Yes or No. The active status of the ABS. Indicates if ABS is currently active.
ABS Failed: The scan tool displays Yes or No. The failed status of the ABS. Indicates if the EBCM disabled ABS due to a malfunction.
ABS Failed Lamp Command: The scan tool displays Off or On. Indicates if the EBCM is commanding the ABS indicator ON.
ABS Reference Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The vehicle speed from the average of all four wheel speeds.
ABS Warning Indicator: The scan tool displays Off or On. Indicates if the EBCM is commanding the ABS indicator.
Battery Voltage: The scan tool displays 0-30 Volts. The voltage measured between the module's battery positive voltage circuit and ground circuit.
Brake Fluid Level: The scan tool displays OK or Low. The status of the brake fluid level sensor signal.
Calibration ID: The scan tool displays the 4 digit calibration 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.
Delivered Torque PWM Duty Cycle: The scan tool displays 0 to 100%. The duty cycle of the delivered torque signal. The duty cycle of the signal is used to transmit how much engine torque the ECM 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.
Desired Torque ABS/TCS: The scan tool displays 0 to 100%. The desired torque signal. The signal is used to transmit how much torque the EBCM is requesting the ECM to deliver. Normal values are between 10 and 90 percent. The signal should be at 90 percent when traction control is not active and at lower values (approximately 10 percent) when traction control is active.
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 Switched Battery Voltage: The scan tool displays Yes or No.
Dual Analog SWPS Input A: The scan tool displays 0 to 5 volts. The steering wheel position signal A input.
Dual Analog SWPS Input B: The scan tool displays 0 to 5 volts. The steering wheel position signal B input.
Engine Drag Control Active: The scan tool displays Yes or No. The active status of the EDC. Indicates if EDC is currently active.
Engine Drag Control Failed: The scan tool displays Yes or No. The failed status of the EDC. Indicates if the EBCM disabled EDC due to a malfunction.
Engine RPM: The scan tool displays 0 to 9999 RPM. The crankshaft rotation speed.
Engine Type: The scan tool displays the type of the engine in the vehicle.
Estimated Trans. Gear: The scan tool displays Park, Reverse, Neutral, First, Second, Third, or Fourth. The estimated state of the transmission gear.
ETS Controller: The scan tool displays Yes or No. Indicates if the vehicle is equipped with ETS.
Ignition Voltage: The scan tool displays 0 to 17 volts. The level of ignition voltage at the EBCM.
Initiate Engine Drag Control Test: The scan tool displays Yes or No. The ECM runs an active line diagnostic to determine the status of the EDC.
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.
Last TCS Torque Request: The scan tool displays 0 to 100%. The latest desired torque requested by the EBCM.
Lateral Accelerometer Input: The scan tool displays 0 to 5 volts. The lateral accelerometer signal from the lateral accelerometer sensor, roughly 2.5 volts equals 0 g lateral acceleration.
Lateral Accelerometer - Engineering Units: The scan tool displays -1.2 to 1.2 g. The lateral acceleration of the lateral accelerometer signal.
LF Wheel Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The actual speed of the left front wheel.
LR Wheel Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The actual speed of the left rear wheel.
Manufacturing Shift Info.: The scan tool displays the shift when the EBCM was built.
Manufacturing Site: The scan tool displays the location where the EBCM was built.
Master Cylinder Pressure Sensor Input: The scan tool displays 0 to 5 volts. The master cylinder pressure sensor signal input.
Park Brake Switch: The scan tool displays Off or On. The status of the park brake switch signal.
Parking Brake Switch: The scan tool displays Off or On. The status of the parking brake switch signal.
ECM TCS Failure: The scan tool displays Yes or No. Indicates if the ECM has suspended TCS due to a malfunction related to TCS.
PROM ID: The scan tool displays the 4 digit PROM ID of the EBCM.
Pump Motor Feedback Voltage: The scan tool displays 0 to 17 volts. The voltage available to the pump motor when the pump motor control relay is energized.
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.
Pump Motor PWM: The scan tool displays 0 to 100%. The duty cycle of the pump motor.
Red Brake Warning Indicator: The scan tool displays Off or On. Indicates if the red Brake warning indicator is currently ON.
Requested Torque PWM Duty Cycle: The scan tool displays 0 to 100%. The duty cycle of the requested torque signal. The duty cycle of the signal is used to transmit how much torque the EBCM is requesting the ECM to deliver. Normal values are between 10 and 90 percent duty cycle. The signal should be at 90 percent duty cycle when traction control is not active and at lower values (approximately 10 percent) when traction control is active.
RF Wheel Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The actual speed of the right front 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 ECM via serial data messages. The ECM uses this information for misfire detection.
RR Wheel Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The actual speed of the right rear wheel.
Service Steering System: The scan tool displays Off or On. Indicates if the EBCM is commanding the Service Steering System message to be displayed on the DIC.
Service Stability System: The scan tool displays Off or On. Indicates if the EBCM is commanding the Service Stability System message to be displayed on the DIC.
Solenoid Relay Commanded State: The scan tool displays Off or On. Indicates the commanded state of the system relay.
Solenoid Relay Feedback: The scan tool displays Off or On. Indicates the actual state of the system relay.
Stability System Active: The scan tool displays Off or On. Indicates if the EBCM is commanding the Stability System Active message to be displayed by the DIC.
State of Health Present: The scan tool displays Yes or No. Indicates if the EBCM is sending the proper state of health messages.
Steering Wheel Angle: The scan tool displays -720 to 720 degrees. The angle that the steering wheel is turned in degrees.
Stop Lamp Switch: The scan tool displays Applied or Released. The state of the brake switch.
Switched System Battery: 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 Power Mode: The scan tool displays Run, Crank, Accessory, Unlock, Off Awake, RAP Unlock, or RAP. The state of the ignition as reported by the dash integration module (DIM).
TCC/Brake Switch Active: The scan tool displays Yes or No. The state of the brake switch.
TCS Active: The scan tool displays Yes or No. The active status of the TCS. Indicates if TCS is currently active.
TCS Active Indicator/Message: The scan tool displays Off or On. Indicates if the EBCM is commanding the Traction Engaged message to be displayed by the DIC.
TCS Active Message Command: The scan tool displays Off or On. Indicates if the EBCM is commanding the Traction Engaged message to be displayed by the DIC.
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 Off Lamp Command: The scan tool displays Off or On. Indicates if the EBCM is commanding the Traction Control indicator ON.
TCS On/Off Switch: The scan tool displays Was Pressed. Indicates if the traction control switch was pressed.
TCS Warning Indicator/Message: The scan tool displays Off or On. Indicates if the EBCM is commanding the Traction Control indicator ON.
Temporary Inhibit of TCS: The scan tool displays Yes or No. Indicates if the EBCM has suspended TCS due to a malfunction or the driver using the traction control switch.
Torque Delivered Signal: The scan tool displays 0 to 100%. The duty cycle of the delivered torque signal. The duty cycle of the signal is used to transmit how much engine torque the ECM 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%. The duty cycle of the requested torque signal. The duty cycle of the signal is used to transmit how much torque the EBCM is requesting the ECM to deliver. Normal values are between 10 and 90 percent duty cycle. The signal should be at 90 percent duty cycle when traction control is not active and at lower values (approximately 10 percent) when traction control is active.
TPS - Pedal Position: The scan tool displays 0 to 100%. The throttle angle. The display should read 0% at idle and 100% at wide open throttle.
Traction Control Desired Torque: The scan tool displays 0 to 100%. The traction control desired torque signal. The signal is used to transmit how much torque the EBCM is requesting the ECM to deliver. Normal values are between 10 and 90 percent. The signal should be at 90 percent when traction control is not active and at lower values (approximately 10 percent) when traction control is active.
Transmission Type: The scan tool displays the type of the transmission in the vehicle.
Vehicle Yaw Rate - Engineering Units: The scan tool displays -75 to 75°/second. The yaw rate of the yaw rate signal.
VIN Packet #2: The scan tool displays the VIN packet #2.
VSES Active: The scan tool displays Yes or No. The active status of the VSES. Indicates if VSES is currently active.
VSES Active Indicator/Message: The scan tool displays Off or On. Indicates if the EBCM is commanding the Stability System Active message to be displayed by the DIC.
VSES Enabled: The scan tool displays Enable or Disable. The active status of the VSES. Indicates if the VSES is currently enabled.
VSES Equipped: The scan tool displays Yes or No. Indicates if the vehicle is equipped with VSES.
VSES Failed: The scan tool displays Yes or No. The failed status of the VSES. Indicates if the EBCM disabled VSES due to a malfunction.
VSES Failed Indicator/Message: The scan tool displays Yes or No. Indicates if the EBCM is commanding the Service Stability System message to be displayed by the DIC.
VSES Is Centered: The scan tool displays Yes or No. Indicates if the steering wheel is centered.
VSES On/Off Status: The scan tool displays Off or On. The status of the VSES On/Off switch signal.
VSES On/Off Switch: The scan tool displays Off or On. The state of the VSES On/Off switch signal.
VSES Ready: The scan tool displays Off or On. The ready status of the VSES.
Yaw Rate Sensor Input: The scan tool displays 0 to 5 volts. The yaw rate signal from the yaw rate sensor, roughly 2.5 volts equals 0 °/second yaw rate.