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Scan Tool Data Definitions


Scan Tool Data Definitions

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.