LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2021 >> Envision Preferred, AWD >> Repair and Diagnosis (Single Page) >> General Information >> OEM General Information >> Vehicle Diagnostic Scan Tool Information (1 Of 2) >> Specifications >> K9 Body Control Module: Scan Tool Information
April 5, 2026: LEMON Manuals is launched! Read the announcement.

K9 Body Control Module: Scan Tool Information

Body Control Module - 12V Battery Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Battery Capacity - Varies The scan tool displays Ah (Amp hr). Ah/20 is the amount of current a battery can supply for 20hrs until the voltage drops to 10.5V.
Battery Current - Varies The scan tool displays Amps. This is the current flowing through the Battery Sensor Module.
Battery Current During Autostop - Varies The scan tool displays Amps. This is the amperage flowing out of battery to maintain vehicle systems during an autostop.
Battery Sensor Internal Temperature Sensor - Varies The scan tool displays temperature in Celsius.
Battery Sensor Module - Battery Nominal Resistance - Varies The scan tool displays mOhm. This is the internal impedance of the 12V battery as measured by the Battery Sensor Module.
Battery Sensor Module - Battery Voltage - Varies The scan tool displays Volts. This is the actual 12V battery voltage as measured by the Battery Sensor Module.
Battery Sensor Module - Data Received - Yes The scan tool displays Yes or No. This value indicates that information has been received by the Body Control Module from the Battery Sensor Module.
Battery Sensor Module - Ignition Off Minimum Battery State of Charge - Varies The scan tool displays percentage (%).
Battery Sensor Module - Ignition Off Minimum Battery Voltage - Varies The scan tool displays battery voltage in volts (V). This is the lowest 12V battery voltage recorded during key off.
Battery Sensor Module - Maximum Cranking Current - Varies The scan tool displays maximum cranking current in amperes (A). This is the actual peak value of amps measured by the Battery Sensor Module on the previous engine crank event.
Battery Sensor Module - Minimum Cranking Voltage - Varies The scan tool displays minimum cranking voltage in volts (V). This is the actual lowest voltage measured by the Battery Sensor Module on the previous engine crank event.
Battery Sensor Module - Open Circuit Voltage - Varies The scan tool displays Volts.
Battery Sensor Module - Predicted Minimum Crank Voltage - Varies The scan tool displays Volts. This is a value calculated by the Battery Sensor Module that predicts the minimum voltage during the next engine crank event.
Battery Sensor Module - State of Charge - Varies The scan tool displays percentage (%). This is a measurement of the charge level compared to a fully charged 12V battery as measured by the Battery Sensor Module.
Battery Sensor Module State of Charge Error - Varies The scan tool displays percentage (%).
Battery Sensor Module - State of Charge Status OK - - -
Battery Sensor Module - State of Charge Variance - Varies The scan tool displays percentage (%).
Battery Sulfation Protection Mode - - -
Battery Type - Default The scan tool displays Default, Flooded Battery, AGM Battery, Enhanced Flooded Battery, or Lithium Battery.
Battery Voltage Too Low - No The scan tool displays Yes or No.
Charge Recovery Mode Active - Battery Saver Mode - 0 The scan tool displays a numeric value. This indicates the level that battery saver mode is operating at. This provides an indication of what actions are being taken.
Charge Recovery Mode Active - Battery Disconnected - - -
Charge Recovery Mode Active - Charge Efficiency Off - - -
Charge Recovery Mode Active - Service Tool Request - - -
Charge Recovery Mode Active - State of Charge Loss - - -
Charge Recovery Mode Active - Vehicle Inactive Too Long - - -
Low-Voltage Battery Previous State of Charge - Varies The scan tool displays percentage (%).
Low-Voltage Battery State of Charge - Varies The scan tool displays percentage (%).
Low-Voltage Battery Temperature - Varies The scan tool displays temperature in Celsius (°C).
Net Battery Amp Hours - Varies The scan tool displays Ah. This is the sum of Amp per hour as measured through the Battery Sensor Module.
Net Battery Amp Hours Charged - Varies The scan tool displays Ah.
Net Battery Amp Hours Discharged - Varies The scan tool displays Ah.
Parasitic Current Greater than 0 mA Counter - Varies The scan tool displays min. This is a counter that tracks if the current during ignition off is within a particular range.
Parasitic Current -5.0A to -10.0A Counter - Varies The scan tool displays min. This is a counter that tracks if the current during ignition off is within a particular range.
Parasitic Current 0 mA to -10 mA Counter - Varies The scan tool displays min. This is a counter that tracks if the current during ignition off is within a particular range.
Parasitic Current -1.25A to -2.5A Counter - Varies The scan tool displays min. This is a counter that tracks if the current during ignition off is within a particular range.
Parasitic Current -10 mA to -20 mA Counter - Varies The scan tool displays min. This is a counter that tracks if the current during ignition off is within a particular range.
Parasitic Current -40 mA to -80 mA Counter - Varies The scan tool displays min. This is a counter that tracks if the current during ignition off is within a particular range.
Parasitic Current -20 mA to -40 mA Counter - Varies The scan tool displays min. This is a counter that tracks if the current during ignition off is within a particular range.
Parasitic Current -80 mA to -160 mA Counter - Varies The scan tool displays min. This is a counter that tracks if the current during ignition off is within a particular range.
Parasitic Current -10.0A or less Counter - Varies The scan tool displays min. This is a counter that tracks if the current during ignition off is within a particular range.
Parasitic Current -2.5A to -5.0A Counter - Varies The scan tool displays min. This is a counter that tracks if the current during ignition off is within a particular range.
Parasitic Current -640 mA to -1.25A Counter - Varies The scan tool displays min. This is a counter that tracks if the current during ignition off is within a particular range.
Parasitic Current -160 mA to -320 mA Counter - Varies The scan tool displays min. This is a counter that tracks if the current during ignition off is within a particular range.
Parasitic Current -320 mA to -640 mA Counter - Varies The scan tool displays min. This is a counter that tracks if the current during ignition off is within a particular range.
Stop/Start Mode - - -
Voltage Drop During Autostop - Varies The scan tool displays Volts. This is a measurement of the amount that the battery voltage has dropped during an autostop.
Body Control Module - Brake Pedal Position Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Brake Pedal Position Sensor Fully Released Learn Status - Yes The scan tool displays Yes or No.
Brake Pedal Initial Travel Position Achieved - No The scan tool displays Yes or No.
Brake Pedal Position Switch Circuit Signal - - -
Extended Travel Brake Pedal Position Signal - - -
Extended Travel Brake Pedal Position Switch - Inactive The scan tool displays Active or Inactive.
Torque Converter Clutch/Cruise Control Brake Pedal Position Switch - Inactive The scan tool displays Active or Inactive.
Body Control Module - Chassis Control Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Drive Mode Select Switch 1 - Inactive The scan tool displays Inactive, Switch 1, Switch 2, Switch 3, Switch 4, Switch 5, Switch 6, Switch 7, Switch 8, Open/Short to Battery, Short to Ground, or Invalid. This is the primary bank of switches which the vehicle operator interfaces with for different selectable vehicle operating modes such as Sport Mode, Fuel Economy Mode.
Drive Mode Select Digital Switch 1 - Inactive The scan tool displays Active or Inactive. This is a discrete switch the vehicle operator interfaces with to select vehicle operating modes such as Sport Mode, Fuel Economy Mode.
Driver Shift Control Mode Switch - Inactive The scan tool displays Upshift, Downshift, Inactive, or Invalid.
Hill Descent Control Switch - Inactive The scan tool displays Active or Inactive.
Traction Control Switch - Inactive The scan tool displays Active or Inactive. This indicates the state of the input that enables or disables the traction control system, which is a system designed to prevent loss of traction (and therefore the control of the vehicle) when excessive throttle or steering is applied by the driver.
Body Control Module - Content Theft Deterrent Alarm Trigger - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Content Theft Deterrent Alarm Status - Has Not Alarmed - No Alarm The scan tool displays Has Not Alarmed - No Alarm, Alarming - Alarm, or Has Alarmed - Alarm Active. This indicates if the vehicle content theft deterrent system is in alarm mode or not.
Content Theft Deterrent Indicator - Off The scan tool displays Off, On, Flashing Slow, or Flashing Fast. This is the illuminating lamp on the instrument cluster that indicates if the vehicle security system is active or not.
Current Content Theft Deterrent Trigger - No Information/None This indicates what factor led to the activation of the content theft deterrent system.
Content Theft Deterrent Trigger History 1 - No Information/None This indicates the factor that led to the first history reason for activation of the content theft deterrent system.
Content Theft Deterrent Trigger History 2 - No Information/None This indicates the factor that led to the second history reason for activation of the content theft deterrent system.
Content Theft Deterrent Trigger History 3 - No Information/None This indicates the factor that led to the third history reason for activation of the content theft deterrent system.
Glass Breakage - Not Detected The scan tool displays Not Detected or Detected. This parameter indicates the damage to glass as a result to breaking. Glass divides into pieces as a result of a sudden or violent action.
Horn Relay Command - Inactive The scan tool displays Active or Inactive. This refers to a request to initiate the sound for a vehicle's loud warning signal. This is used to display whether the Body Control Module is commanding the horn relay to be on or off.
Liftglass - Inactive The scan tool displays Active or Inactive. The liftglass ajar warning light will be illuminated when the liftglass is not properly closed. This parameter indicates if the liftglass active or inactive.
Power Sounder Content Theft Deterrent Alarm Module Command - No Alarm The scan tool displays No Alarm or Alarm Active. The power sounder is part of the vehicle's theft deterrent system. This parameter shows if the power sounder is commanded active (monitoring for vehicle theft attempt) or not.
Power Sounder Content Theft Deterrent Alarm Module Internal Battery State of Charge - OK The scan tool displays OK or Not OK. This parameter describes the internal battery state of charge in the Power Sounder Content Theft Deterrent Alarm Module.
Rear Closure Unlock Command - Inactive The scan tool displays Active or Inactive. This parameter for the rear closure unlock relay or unlock actuator will display On/Off upon the door being commanded to unlock. Commanded ON is when the Body Control Module energizes the rear closure unlock relay/actuator to unlock the door.
Security Indicator Command - Inactive The scan tool displays Active or Inactive. Security Indicator Command refers to the command that is sent out by the module to turn the lamp (symbolic icon) on which acts as an indicator for the active state of the security system.
Security Siren Command - Not Requested The scan tool displays Not Requested or Disarmed. This is the serial data command to activate the output circuit for the alarm siren. Alarm siren is like a horn, but will activate during a theft event to warn away intruders.
Ultrasonic Intrusion Sensor - Disarmed The scan tool displays Armed or Disarmed. The rear integration module supplies a low side drive output interface to the Intrusion and Inclination Sensor.
Ultrasonic Intrusion Sensor Disable Switch Signal - Inactive The scan tool displays Active or Inactive. This is the switch which enables/disables the Ultrasonic Intrusion Sensor of the vehicle.
Ultrasonic Intrusion Sensor Malfunction - No The scan tool displays Yes or No. This sensor detects an unauthorized opening of the vehicle's cabin by sending and receiving ultrasonic waves. This indicates the state of the sensor to fail to operate normally.
Body Control Module - Electric Power Management Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Battery Current - Varies The scan tool displays Amps. This is the current flowing through the Battery Sensor Module.
Battery Saver Mode - Off The scan tool displays Off, Assembly Plant Mode, Transport Mode, or Storage Mode.
Battery Saver Mode Ignition Off - Battery Voltage less than 11.6V - False The scan tool displays True or False. This will set with key off if battery voltage drops below 11.6V
Battery Saver Mode Ignition Off - Battery Voltage less than 12.0V - False The scan tool displays True or False. This will set with key off if battery voltage drops below 12.0V.
Battery Saver Mode Ignition Off - Parasitic Current 100 mA or greater - False The scan tool displays True or False. This will set with key off if parasitic current is greater than 100 mA.
Battery Saver Mode Ignition Off - Parasitic Current 1A or greater - False The scan tool displays True or False. This will set with key off if parasitic current is greater than 1A.
Fuel Economy Mode - Active The scan tool displays Active or Inactive.
Generator Regulator Setpoint - - The scan tool displays Volts.
Load Shed Reason - Varies The scan tool displays Amp Hour Demand Too High, Regulated Voltage Control, Hybrid/EV Battery State of Charge Low, Low Voltage, Service Tool Request, Battery Save Mode, or None. This provides indication of what is causing vehicle loads to be turned off in an attempt to prolong 12V battery life.
Load Shed Requested - - -
Low-Voltage Battery Previous State of Charge - Varies The scan tool displays percentage (%).
Low-Voltage Battery State of Charge - Varies The scan tool displays percentage (%).
Low-Voltage Battery Temperature - Varies The scan tool displays temperature in Celsius (°C).
Requested Idle Boost Level - Varies The scan tool displays Assembly Plant Mode, Low Temperature, Ah, HVAC Request, Low Voltage, Remote Start, Service Tool Request, or None.
Regulated Voltage Control Mode - Varies The scan tool displays Remote Start, Fuel Economy Mode, Normal, Charge Recovery Mode, Assembly Plant Mode, or Ignition and Start Switch Start.
Stop/Start Mode - - -
Body Control Module - Front Exterior Lighting Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Headlamp Leveling Function - Inactive The scan tool displays Active or Inactive.
Headlamp Leveling Sensor Learn - Learn Not Enabled The scan tool displays Learn Not Enabled, Learning, Learn Successful, or Learn Failed. This parameter indicates the headlamp learns suspension trim position.
Left Headlamp Vertical Motor Command - Inactive This scan tool displays Active or Inactive.
Right Headlamp Vertical Motor Command - Inactive This scan tool displays Active or Inactive.
Left Auxiliary Daytime Running Lamps - Off The scan tool displays On or Off.
Right Auxiliary Daytime Running Lamps - Off The scan tool displays On or Off.
Left Daytime Running Lamps - Off The scan tool displays On or Off.
Right Daytime Running Lamps - Off The scan tool displays On or Off.
Left Front Auxiliary Park Lamp Command - Off The scan tool displays On or Off.
Right Front Auxiliary Park Lamp Command - Off The scan tool displays On or Off.
Left Low Beam Command - Inactive The scan tool displays Active or Inactive.
Right Low Beam Command - Inactive The scan tool displays Active or Inactive.
Left Front Turn Signal Lamp Command - Off The scan tool displays On or Off.
Right Front Turn Signal Lamp Command - Off The scan tool displays On or Off.
Left Front Fog Lamp Command - Off The scan tool displays On or Off.
Right Front Fog Lamp Command - Off The scan tool displays On or Off.
Left Park Lamps Command - Off The scan tool displays On or Off.
Right Park Lamps Command - Off The scan tool displays On or Off.
Left Turn Signal Repeater Lamp Command - Off The scan tool displays On or Off.
Right Turn Signal Repeater Lamp Command - Off The scan tool displays On or Off.
Surround View Exterior Courtesy Lamps Command - Off The scan tool displays On or Off.
Body Control Module - Heated Steering Wheel Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Heated Steering Wheel Indicator - Off The scan tool displays Off, Low, Medium, or High.
Heated Steering Wheel Request Source - Switch The scan tool displays Switch or Remote Vehicle Start.
Heated Steering Wheel Command - Off The scan tool displays Off, Low, Medium, or High.
Heated Steering Wheel Relay - Inactive The scan tool displays Active or Inactive.
Heated Steering Wheel Switch - Inactive The scan tool displays Active or Inactive.
Service Heated Steering Wheel Indicator - Inactive The scan tool displays Active or Inactive.
Heated Steering Wheel Load Reduction - Inactive The scan tool displays Active or Inactive.
Heated Steering Wheel Mode - Off The scan tool displays Off, Remote Vehicle Start, Automatic, or Switch.
Heated Steering Wheel Diagnostic Fault Active - Stuck Switch - Inactive The scan tool displays Active or Inactive.
Heated Steering Wheel - Inactive The scan tool displays Active or Inactive.
Heated Steering Wheel Internal Temperature - Off The scan tool displays Off, Low, Medium, or High.
Body Control Module - HVAC Sensor Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
A/C Evaporator Temperature - Varies The scan tool displays temperature in Celsius (°C). This parameter refers to the sensor used to determine the temperature of the air conditioning system's evaporator. The temperature is displayed with a low level of detail.
A/C Evaporator Temperature - Varies The scan tool displays temperature in Celsius (°C). This parameter indicates the temperature (degrees of heat) of the air conditioning system's evaporator.
Ambient Air Temperature - Varies The scan tool displays temperature in Celsius (°C). This parameter indicates the temperature of the air surrounding the vehicle.
Humidity Level at the Windshield - Varies The scan tool displays percentage (%). This is the measurement of the amount of moisture near the windshield that is used by the heating, ventilation, air conditioning (HVAC) system to prevent fogging.
Left Front HVAC Mode Status - Not Determined The scan tool displays Not Determined, Off, Auto, Floor, Floor and Vent, Vent, Vent and Windshield, Windshield, Floor and Windshield, or Floor and Vent and Windshield, or Max Defrost. This parameter describes what state the heating, ventilation, air conditioning system is in for the front left area of the vehicle cabin.
Left Rear HVAC Mode Status - Not Determined The scan tool displays Not Determined, Off, Auto, Floor, Floor and Vent, Vent, Vent and Roof, Roof, Roof and Floor, or Floor and Vent and Roof. This parameter describes what state the heating, ventilation, air conditioning system is in for the rear left area of the vehicle cabin.
Passenger Compartment Humidity - Varies The scan tool displays percentage (%). The parameter indicates the amount of water in the air in the passenger compartment.
Rear Lower Duct Air Temperature Sensor Voltage - Varies The scan tool displays Volts. This is a temperature sensor used to monitor the air temperature from the rear floor ducts.
Right Front HVAC Mode Status - Not Determined The scan tool displays Not Determined, Off, Auto, Floor, Floor and Vent, Vent, Vent and Windshield, Windshield, Floor and Windshield, or Floor and Vent and Windshield, or Max Defrost. This parameter describes what state the heating, ventilation, air conditioning system is in for the front right area of the vehicle cabin.
Right Rear HVAC Mode Status - Not Determined The scan tool displays Not Determined, Off, Auto, Floor, Floor and Vent, Vent, Vent and Roof, Roof, Roof and Floor, or Floor and Vent and Roof. This parameter describes what state the heating, ventilation, air conditioning system is in for the rear right area of the vehicle cabin.
Sunload Sensor Voltage - Varies The scan tool displays Volts. This is a sensor that detects how warm the sun is shining.
Windshield Temperature - Varies The scan tool displays temperature in Celsius (°C). This parameter detects the temperature of the front window (windshield).
Body Control Module - HVAC System Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
A/C Compressor Refrigerant Solenoid Valve Command - Varies The scan tool displays percentage (%).
A/C Compressor Displacement - Ready The scan tool displays Ready, Ramp up, Running, or Ramp down. A variable displacement air conditioning compressor has the ability to change the amount of refrigerant that is pumped into the system (output) while it is running by way of a pulse width modulated (PWM) solenoid. A PWM solenoid will vary the compressor output by using a DC supply voltage that is switched on and off at a given frequency for a modulated period of time (duty cycle). The duty cycle is the "on" time of the voltage and is expressed as a percentage of the time period. This parameter describes the condition in which a variable displacement air conditioning compressor is increasing displacement, holding steady, or decreasing displacement.
A/C Switch - Compressor Off The scan tool displays Compressor Off, Compressor On, or Compressor In Econ. This parameter is used to indicate the status of the signal being sent to the Engine Control Module to turn the A/C on.
Air Quality Sensor - Varies The scan tool displays percentage (%). This is a sensor that measures the amount of contamination, pollution, dirt, odor in the ambient air.
Air Quality Recirculation Control - Inactive The scan tool displays Active or Inactive. The recirculation door in an air conditioning system has the ability to either allow fresh air into the vehicle or to pass the existing cabin air back through the air conditioning system. The recirculation door will be closed if the Air Quality Sensor detects oxidizing, reducing, or ammonia gasses and reopens the door when these gasses are no longer detected.
Auxiliary Blower Motor Speed Command - Varies This parameter shows the value (counts) being sent to command the rear blower from the Auxiliary Blower switch on the front panel. This describes the rear blower motor for the HVAC system. This is supplemental to the primary blower fan.
Auxiliary Coolant Pump - Inactive The scan tool displays Active or Inactive. The Auxiliary Coolant Pump refers to a second engine cooling pump that may be devoted to a different function other than for purposes of engine cooling.
Auxiliary Coolant Pump Dry - Inactive The scan tool displays Active or Inactive. This parameter contains the fault information that is communicated by the Electric Auxiliary Coolant Pump over Local Interconnect Network (LIN) to the engine controller. An electric coolant pump circulates engine coolant. This indicates whether the pump was operated without coolant.
Auxiliary Coolant Pump Internal Status - Inactive The scan tool displays Active or Inactive. This parameter contains the fault information that is communicated by the Electric Auxiliary Coolant Pump over Local Interconnect Network (LIN) to the engine controller. An electric coolant pump circulates engine coolant. This indicates whether the pump indicates an internal error.
Auxiliary Coolant Pump Motor Stalled - Inactive The scan tool displays Active or Inactive. This parameter contains the fault information that is communicated by the Electric Auxiliary Coolant Pump over Local Interconnect Network (LIN) to the engine controller. An electric coolant pump circulates engine coolant. This indicates whether the pump has stopped running.
Auxiliary Heater Enable Signal - Inactive The scan tool displays Active or Inactive.
Blower Motor Feedback Signal - Varies The scan tool displays percentage (%). The Blower Motor passes air through the heater core and circulates air throughout the passenger compartment. The Blower Motor is controlled by a module. This parameter indicates the Blower Motor operation Feedback Signal received by the module.
Blower Motor Speed - Varies This parameter indicates the commanded HVAC Blower Motor Speed, displayed in percent, that the blower is turning. The blower motor is a motor with a cage attached to force the air through ducts such as heater, ventilation and defrost ducts.
Blower Motor Speed Command - Varies This parameter indicates the commanded HVAC Blower Motor Speed, displayed in percent, that the blower is turning. The blower motor is a motor with a cage attached to force the air through ducts such as heater, ventilation and defrost ducts.
Blower Motor Speed Feedback Signal - Normal Function The scan tool displays Out of Range Low, Stall, Partial Stall, Voltage Out of Range, Normal Function, Motor Over Temperature, Not Used, Mechanical Malfunction, or Out of Range High. The Blower Motor passes air through the heater core and circulates air throughout the passenger compartment. The Blower Motor is controlled by a module. This parameter indicates the Blower Motor operation Feedback Signal received by the module.
Blower Motor Speed Request - - This parameter shows the current state of the switch that turns on the front blower (device that produces a current of air).
Calculated A/C Evaporator Air Temperature - Varies The scan tool displays temperature in Celsius (°C). This parameter indicates the calculated temperature (degrees of heat) of the air that is flowing through the evaporator. The temperature is calculated by the HVAC controller using parameters such as outside air temperature, evaporator temperature and compressor status. An evaporator is a device in a process used to turn the liquid form of a chemical substance into its gaseous-form/vapor.
Coolant Heater Control Module Inlet Coolant Temperature - Varies The scan tool displays this parameter Identifier as a value between -40°C and 150°C approximately to reflect Inlet Coolant Temperature into Coolant Heater Control Module, reported by Coolant Heater Control Module.
Coolant Heater Control Module LIN Bus - True The scan tool displays this parameter identifier as False or True. This parameter identifier is indicative of a Signal State of Coolant Heater Operation Enable from Electronic Climate Control to Coolant Heater Control Module on Local Interconnect Network Bus that allows Coolant Heater to Start Diagnostics whether or not Heating is commanded.
Coolant Heater Control Module Status - Normal Function The scan tool displays Normal Function, Temporarily Limited, Recoverable Malfunction, or Non-Recoverable Malfunction. This parameter is used to determine whether the Coolant Heater Control Module is operating normally (Normal Operation) or if there is a problem with a) the Coolant Heater Control Module (scan tool displays only Limited Operation) or b) there is a blockage or restriction in coolant flow (scan tool switches between Normal Running and Limited Operation).
Coolant Heater Control Module Temperature - Varies The scan tool displays temperature in Celsius (°C). This is the temperature inside the coolant heater control module.
Coolant Heater Current - Varies The scan tool displays the present electric current flow value of the coolant heater in amps.
Desired Engine Coolant Bypass Valve Position - Not Requested The scan tool displays Not Requested, Bypass, or Connected. This parameter displays the requested target position of the Coolant Bypass Valve.
Engine Coolant Heater Command - Varies The scan tool displays in kW. This is the serial data command to control the device to heat up the coolant in case the engine does not produce enough heat.
Front Blower Motor State - Varies The scan tool displays Not Determined, Off, Auto, Manual, or Manual Max. This parameter indicates the current mode or condition of the front blower motor.
Heater Pump Speed - Varies The scan tool displays the heater pump speed in RPM. This is a coolant pump which circulates heat through the heater core to maintain cabin temperature. While the vehicle is in Autostop, the pump can interrupt the Autostop timing, if the cabin temperature is too low.
HVAC Afterblow - Inactive The scan tool displays Active or Inactive. This parameter displays whether the afterblow function is in a functioning state or not. The afterblow function temporarily turns on the fan after the vehicle is off to dry the evaporator core which will reduce microbial growth and odors. An evaporator is a device in a process used to turn the liquid form of a chemical substance into its gaseous-form/vapor.
HVAC Afterblow - Blower Motor Speed - Varies This parameter displays how fast the fan is running while in an afterblow condition. The fan speed is displayed as steps from 0 to 12 with 0 being off and 12 being the fastest speed. The afterblow function temporarily turns on the fan after the vehicle is off to dry the evaporator core which will reduce microbial growth and odors. An evaporator is a device in a process used to turn the liquid form of a chemical substance into its gaseous-form/vapor.
HVAC Afterblow Configuration - - -
HVAC System Heater Core Coolant Flow Rate Feedback - Varies The scan tool displays the coolant flowing rate in L/min. The HVAC System Heater Core contains coolant that flows though the core to heat the vehicle passenger compartment. The system is controlled by a module. This parameter indicates the coolant flow rate through the heater core requested by the module.
HVAC System Heater Core Coolant Flow Rate Request - Varies The scan tool displays the coolant flowing rate in L/s. The HVAC System Heater Core contains coolant that flows though the core to heat the vehicle passenger compartment. The system is controlled by a module. This parameter indicates the coolant flow rate through the heater core requested by the module.
Rear Defogger Activated by Automatic - Yes The Auto Rear Defogger (heating wires in the glass) can automatically activate if the ambient temperature is below 5°C. This parameter has the states Yes/No.
Rear Defogger Command - - -
Rear Defogger Deactivation Reason - - -
Rear Defogger Indicator - - -
Rear Defogger Mode - - -
Rear Defogger On Time Remaining - - -
Rear Defogger Relay Command - - -
Rear Defogger Status - - -
Rear Defogger Switch - - -
Sun Azimuth - - -
Sun Elevation - - -
Body Control Module - HVAC Door Position Data 1 - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Air Recirculation Door Actuator Command - Varies This is the serial data command to move the flap of the Recirculation Door, in counts or pulses, for a HVAC system door. Recirculation is using inside air for the HVAC system, instead of outside fresh air.
Left Temperature Door Position Command - Varies The scan tool displays percentage (%). This is the serial data command to control the actual position (angle) of the flap that controls the air flow (and therefore the air temperature) through the left heater core.
Low Speed Pollution Taking Recirc Action - - -
Body Control Module - HVAC Door Position Data 2 - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Right Temperature Door Position Command - Varies The scan tool displays percentage (%). This is the serial data command to move the position (angle) of the flap that controls the air flow (and therefore the air temperature) through the right heater core.
Body Control Module - HVAC Faceplate Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Air Recirculation Door Position - Varies The scan tool displays the command status of the HVAC control module recirculation switch: Not Determined, Auto, Fresh Air, or Recirc. The mode of recirculation means the air inside the vehicle is recirculated rather than drawn from outside.
Air Quality Sensor Switch - Off The scan tool displays Off, Low Sensitivity, or Hi Sensitivity. This parameter describes the switch state of the Air Quality Sensor on the HVAC Faceplate.
Auxiliary Blower Motor Switch - Off The scan tool displays Not Determined, Off, Auto, Manual, or Manual Max. This parameter reflects the current state of the switch in the rear of the vehicle that controls the rear blower. This describes the rear blower motor for the HVAC system. This is supplemental to the primary blower fan.
Desired Left Temperature - Varies The scan tool displays Temp Set Off, Temp Set Normal, Temp Set Low, or Temp Set Hi. This parameter displays the setting of left temperature.
Desired Right Temperature - Varies The scan tool displays Temp Set Off, Temp Set Normal, Temp Set Low, or Temp Set Hi. This parameter displays the setting of right temperature.
Body Control Module - Hybrid/EV Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Coolant Heater Control Module Temperature - Varies The scan tool displays temperature in Celsius (°C). This is the temperature inside the coolant heater control module.
Body Control Module - Indicator Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Child Security Lock Indicator command - Off The scan tool displays On or Off.
Lane Departure Warning Indicator Status - Off The scan tool displays On or Off.
Security Indicator Command - Off The scan tool displays On or Off.
Body Control Module - Interior Lighting Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Cargo Lamp Command - Inactive The scan tool displays Active or Inactive.
Cargo Lamp Indicator - Inactive The scan tool displays Active or Inactive.
Cargo Mirror Lamp - Inactive The scan tool displays Active or Inactive.
Dome Lamp Command - Off The scan tool displays On or Off.
Door Ambient Lighting Command - Off The scan tool displays On or Off.
Front Courtesy Lamps - Inactive The scan tool displays Active or Inactive.
Front Footwell Ambient Lighting Command - Off The scan tool displays On or Off.
Instrument Panel Ambient Lighting Command - Off The scan tool displays On or Off.
Interior Courtesy Lamps Command - Inactive The scan tool displays Active or Inactive.
Left Turn Signal Switch - Inactive The scan tool displays Active or Inactive.
Right Turn Signal Switch - Inactive The scan tool displays Active or Inactive.
Overhead Ambient Lighting Command - Off The scan tool displays On or Off.
Park Lamps Indicator - Inactive The scan tool displays Active or Inactive.
Rear Footwell Ambient Lighting Command - Off The scan tool displays On or Off.
Welcome Lighting - Off The scan tool displays On or Off.
Body Control Module - Keyless Entry Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Current Number of Key Fobs Programmed - Varies This parameter indicates how many transmitters have been learned to the Body Control Module currently.
Key Fob Identifier - Varies This parameter refers to the part number of key fob or transmitter being placed in the backup pocket location that uses the radio transmitter inside a vehicle key used to control the central door locking via button presses.
Key Fob 1 Malfunction - No The scan tool displays Yes or No. This parameter indicates a fault in transmitter # 1.
Key Fob 2 Malfunction - No The scan tool displays Yes or No. This parameter indicates a fault in transmitter # 2.
Key Fob 3 Malfunction - No The scan tool displays Yes or No. This parameter indicates a fault in transmitter # 3.
Key Fob 4 Malfunction - No The scan tool displays Yes or No. This parameter indicates a fault in transmitter # 4.
Key Fob 5 Malfunction - No The scan tool displays Yes or No. This parameter indicates a fault in transmitter # 5.
Key Fob 6 Malfunction - No The scan tool displays Yes or No. This parameter indicates a fault in transmitter # 6.
Key Fob 7 Malfunction - No The scan tool displays Yes or No. This parameter indicates a fault in transmitter # 7.
Key Fob 8 Malfunction - No The scan tool displays Yes or No. This parameter indicates a fault in transmitter # 8.
Number of Key Fobs Learned - Varies This parameter indicates how many transmitters have been programmed to the Keyless Entry Control Module.
Total Key Fobs Erased - Off This parameter indicates the number of transmitters erased from the Body Control Module memory.
Passive Entry Disabled Due to Lack of Motion Counter - Varies This parameter indicates the count value of the passive entry inhibited due to no key fob or transmitter movement.
Passive Start Disabled Due to Excessive Motion Counter - Varies This parameter indicates the count value of the passive start inhibited due to large key fob or transmitter movement.
Passive Start Disabled Due to Lack of Motion Counter - Varies This parameter indicates the count value of the passive start inhibited due to no key fob or transmitter movement.
Body Control Module - Outside Rear View Mirror Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Mirror Folding - Inactive The scan tool displays Inactive, Fold, or Unfold.
Mirror Select Switch - Not Active The scan tool displays Active or Inactive.
Body Control Module - Power Mode Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Accessory/Retained Accessory Power Relay Command - Inactive The scan tool displays Active or Inactive.
Backup Run/Crank Relay Command - Inactive The scan tool displays Active or Inactive.
Backup System Power Mode - Off The scan tool displays Off, Accessory, Run, Start, or Propulsion Active. This parameter indicates Power Mode determined by Serial Data Gateway Module.
Battery Saver Mode - Off The scan tool displays Off, Assembly Plant Mode, Transport Mode, or Storage Mode.
Ignition Switch Status - Varies The scan tool displays Short to Ground, Active, Inactive, or Open/Short to Battery.
Power Mode - Varies The scan tool displays Off, Accessory, Run, Start, or Propulsion Active. This parameter indicates the current power mode of the module.
Power Mode Timeout - Disable The scan tool displays Enable or Disable. This parameter disables or enables the power mode timeout function (not whether timer is active or inactive) and indicates whether or not the power mode timeout function has been disabled allowing to stay in power mode indefinitely (not whether timer is active or inactive).
Run/Crank Relay Command - Inactive The scan tool displays Active or Inactive.
Run Relay Command - Inactive The scan tool displays Active or Inactive.
Body Control Module - Rear Exterior Lighting Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Backup Lamps - Off The scan tool displays On or Off.
Center High Mounted Stop Lamp - Off The scan tool displays On or Off.
Hands-Free Liftgate Sensor Lamp - Off The scan tool displays On or Off.
Left Stop Lamp Command - Off The scan tool displays On or Off.
Right Stop Lamp Command - Off The scan tool displays On or Off.
Left Tail Lamp - Off The scan tool displays On or Off.
Right Tail Lamp - Off The scan tool displays On or Off.
Left Auxiliary Tail Lamp - Off The scan tool displays On or Off.
Right Auxiliary Tail Lamp - Off The scan tool displays On or Off.
Left Rear Turn Signal Lamp Command - Off The scan tool displays On or Off.
Right Rear Turn Signal Lamp Command - Off The scan tool displays On or Off.
Left Trailer Turn Signal/Stop Lamp Command - Off The scan tool displays On or Off.
Right Trailer Turn Signal/Stop Lamp Command - Off The scan tool displays On or Off.
License Plate Lamps Command - Off The scan tool displays On or Off.
Rear Fog Lamp Command - Off The scan tool displays On or Off.
Tail Lamps - Off The scan tool displays On or Off.
Trailer Backup Lamps Command - Off The scan tool displays On or Off.
Body Control Module - Rear HVAC Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Lower Rear Duct Temperature - Varies The scan tool displays temperature in Celsius (°C). This is the temperature reading in the HVAC air routing system.
Upper Rear Duct Temperature - Varies The scan tool displays temperature in Celsius (°C). This is the temperature reading in the HVAC air routing system.
Body Control Module - Remote Vehicle Start Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Engine Stalled During Remote Vehicle Start Mode - Varies This parameter indicates the number of times the engine was stalled or unexpectedly stops running. This is part of the Remote Vehicle Start subsystem that disables remote start.
Park Lamps Request - No The scan tool displays Yes or No. This parameter refers to the state (on or off) of the electronic request to illuminate the lamps located on the exterior four corners of the vehicle.
Remote Vehicle Start Disabled By Driver - Varies This parameter determines if remote vehicle start was turned off by the driver. Remote start is activated by pressing a button on the key fob which allows the engine to start when the key fob is several yards from the vehicle.
Remote Vehicle Start Request - No The scan tool displays Yes or No. This parameter displays the On / Off position or status for the remote start functionality.
Remote Vehicle Start Source - None The scan tool displays None, Key Fob 1, Key Fob 2, Key Fob 3, Enhanced Services, or Virtual Key. This parameter indicates which key fob was used for Remote Vehicle Start such as husband, wife, child, Onstar, bluetooth, etc.
Remote Vehicle Start Status - Inactive The scan tool displays Yes or No. This parameter indicates the state of remote start which is activated by pressing a button on the key fob which allows the engine to start when the key fob is several yards from the vehicle. States are active or inactive.
Remote Vehicle Start Timer - Varies This parameter indicates the amount of time the engine will run after a remote start request. One additional request is allowed which will reset the timer once. The scan tool displays time remaining in seconds.
Run/Crank Relay Command - None The scan tool displays None, Active, or Deactive. This parameter indicates the state (off or on) of command for an ignition relay control circuit. "Run" means engine is started and keeps going, and "crank" engages the starter when the key in the ignition switch turns making engine turn over.
Turn Signal Lamps Request - No The scan tool displays Yes or No. This parameter indicates the request for the turn signal lamps to flash during a remote start request and remain on for visual confirmation the remote start is functioning.
Body Control Module - Remote Vehicle Start Disable History Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Remote Vehicle Start Disable History 1 - Varies The scan tool displays Valet Mode, Run Abort, Ignition Switch Status, Hood Open Switch Signal Invalid, Hood Open Switch, Hazard Lamps Switch, Key Fob in Vehicle, Crank Abort, Brake Transmission Shift Interlock Solenoid Actuator, Content Theft Deterrent Mode, Power Mode Incorrect, Battery Voltage, Remote Vehicle Start Crank Time, or Folding Top Position. This parameter indicates one of the last eight reasons the powertrain has disabled the remote vehicle start.
Remote Vehicle Start Disable History 2 - Varies The scan tool displays Valet Mode, Run Abort, Ignition Switch Status, Hood Open Switch Signal Invalid, Hood Open Switch, Hazard Lamps Switch, Key Fob in Vehicle, Crank Abort, Brake Transmission Shift Interlock Solenoid Actuator, Content Theft Deterrent Mode, Power Mode Incorrect, Battery Voltage, Remote Vehicle Start Crank Time, or Folding Top Position. This parameter indicates one of the last eight reasons the powertrain has disabled the remote vehicle start.
Remote Vehicle Start Disable History 3 - Varies The scan tool displays Valet Mode, Run Abort, Ignition Switch Status, Hood Open Switch Signal Invalid, Hood Open Switch, Hazard Lamps Switch, Key Fob in Vehicle, Crank Abort, Brake Transmission Shift Interlock Solenoid Actuator, Content Theft Deterrent Mode, Power Mode Incorrect, Battery Voltage, Remote Vehicle Start Crank Time, or Folding Top Position. This parameter indicates one of the last eight reasons the powertrain has disabled the remote vehicle start.
Body Control Module - Seat Heating/Venting/Cooling Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Seat Heating/Venting/Cooling Load Shed - Inactive The scan tool displays Active or Inactive. When this parameter is active, it indicates the Heating/Venting/Cooling system is shutdown to reduce strain on the vehicle electrical system which is experiencing too high of a current draw.
Left Front Seat Heating/Venting/Cooling Operating Conditions - Varies The scan tool displays Remote Vehicle Start, Automatic, Manual, or Autostop Request. The functional behavior of heated seats is dependent on its determined operational state. This parameter indicates the defined state which it is operating in.
Left Front Seat Heating/Venting/Cooling Requested Mode - Varies The scan tool displays Off, Seat Back Heating, Seat Back and Cushion Heating, or Seat Venting/Cooling. This parameter indicates the type of Heated/Vented Seat function being requested, as determined by the Body Control Module tracking various inputs.
Left Front Seat Heating/Venting/Cooling Requested Level - Varies The scan tool displays Off, High, Medium, or Low. This parameter indicates the type of Heated/Vented Seat level of intensity being requested as determined by the Body Control Module tracking various inputs.
Left Front Seat Heating/Venting/Cooling Mode - Varies The scan tool displays Off, Seat Back Heating, Seat Back and Cushion Heating, or Seat Venting/Cooling. This parameter indicates the type of Heated/Vented Seat function being applied as commanded by the Body Control Module software based on a number of factors.
Left Front Seat Heating/Venting/Cooling Level - Varies The scan tool displays Off, High, Medium, or Low. This parameter indicates the type of Heated/Vented Seat level of intensity being applied as commanded by the Body Control Module software based on a number of factors.
Left Front Seat Blower Command - Inactive The scan tool displays Active or Inactive. This parameter can be used for setting various blower speeds but service tool will only turn on high to verify module outputs and fan operation.
Right Front Seat Heating/Venting/Cooling Operating Conditions - Varies The scan tool displays Remote Vehicle Start, Automatic, Manual, or Autostop Request. The functional behavior of heated seats is dependent on its determined operational state. This parameter indicates the defined state which it is operating in.
Right Front Seat Heating/Venting/Cooling Requested Mode - Varies The scan tool displays Off, Seat Back Heating, Seat Back and Cushion Heating, or Seat Venting/Cooling. This parameter indicates the type of Heated/Vented Seat function being requested, as determined by the Body Control Module tracking various inputs.
Right Front Seat Heating/Venting/Cooling Requested Level - Varies The scan tool displays Off, High, Medium, or Low. This parameter indicates the type of Heated/Vented Seat level of intensity being requested as determined by the Body Control Module tracking various inputs.
Right Front Seat Heating/Venting/Cooling Mode - Varies The scan tool displays Off, Seat Back Heating, Seat Back and Cushion Heating, or Seat Venting/Cooling. This parameter indicates the type of Heated/Vented Seat function being applied as commanded by the Body Control Module software based on a number of factors.
Right Front Seat Heating/Venting/Cooling Level - Varies The scan tool displays Off, High, Medium, or Low. This parameter indicates the type of Heated/Vented Seat level of intensity being applied as commanded by the Body Control Module software based on a number of factors.
Right Front Seat Blower Command - Inactive The scan tool displays Active or Inactive. This parameter can be used for setting various blower speeds but service tool will only turn on high to verify module outputs and fan operation.
Body Control Module - Sunroof Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Sunroof Closed - Yes The scan tool displays Yes or No. This parameter indicates that sunroof is not open. The sunroof is a fixed or operable opening in an automobile roof which allows light and/or fresh air to enter the passenger compartment.
Sunroof Open - Yes The scan tool displays Yes or No. This parameter indicates the sunroof state that it is not closed. The sunroof is a fixed or operable opening in an automobile roof which allows light and/or fresh air to enter the passenger compartment.
Sunroof Switch - Varies The scan tool displays Inactive, Open, Close, or Stop. This is the switch to move the sunroof.
Sunroof Switch Fault - Varies The scan tool displays Short to Ground, Short to Battery, Stuck, or None.
Sunroof Not Learned - No The scan tool displays Yes or No. This parameter indicates that the control module has not learned the sunroof (the glass) home position.
Sunroof Motor Overtemperature - No The scan tool displays Yes or No. This parameter indicates that the motor that operates the sunroof motor is too hot to operate properly.
Sunroof Obstruction - No The scan tool displays Yes or No. This parameter indicates that an obstruction is detected which prevents the movement of the sunroof.
Sunroof System Voltage Low - No The scan tool displays Yes or No. This parameter indicates the sunroof performance is degraded due to voltage being below a certain threshold.
Sunroof Vent - No The scan tool displays Yes or No. This parameter indicates the sunroof is partially open.
Sunshade Closed - Yes The scan tool displays Yes or No.
Sunshade Open - Yes The scan tool displays Yes or No.
Sunshade Switch - Varies The scan tool displays Inactive, Open, Close, or Stop. This is the switch to move the sunshade (the non-transparent cover below the sunroof).
Sunshade Switch Fault - Varies The scan tool displays Short to Ground, Short to Battery, Stuck, or None.
Sunshade Not Learned - No The scan tool displays Yes or No. This parameter indicates that the sunshade position is not learned.
Sunshade Motor Overtemperature - Inactive The scan tool displays Active or Inactive. This parameter indicates that the motor that operates the sunshade is too hot to operate properly.
Sunshade Obstruction - No The scan tool displays Yes or No. This parameter indicates that an obstruction is detected which prevents the movement of the sunshade.
Sunshade System Voltage Low - No The scan tool displays Yes or No. This parameter indicates that the sunshade performance is degraded due to voltage being below a certain threshold.
Body Control Module - Tire Pressure Monitoring Sensor Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Left Front Tire Pressure Sensor Identification - Varies This parameter refers to the part number of the electronic device that measures the force of air on the interior surface of the left, front tire.
Left Front Tire Pressure Sensor Battery Status - Normal The scan tool displays Normal or Low Pressure. This parameter displays the state of the power supply (battery) for the left front tire pressure sensor which is an electronic device that measures the force of air on the interior surface of the tire.
Left Front Tire Pressure Sensor Status - Varies This parameter will display different types of sensor faults. The tire pressure sensors are mounted inside a tire assembly on valve stems or wheel rims.
Left Front Tire Pressure Sensor Signal Strength - Varies The tire pressure monitoring system detects a pressure loss at the tires. Each wheel is equipped with a pressure sensor to measure the pressure and temperature. This parameter displays the signal strength of the sensor.
Left Front Tire Pressure Signal Frame Count - Varies This is the number of data frames the tire pressure sensor is transmitting while driving.
Left Front Tire Pressure Signal Packet Count - Varies This is the number of packet counts the tire pressure sensor is transmitting while driving.
Left Rear Tire Pressure Sensor Identification - Varies This parameter refers to the part number of the electronic device that measures the force of air on the interior surface of the left, rear tire.
Left Rear Tire Pressure Sensor Battery Status - Normal The scan tool displays Normal or Low Pressure. This parameter displays the state of the power supply (battery) for the left rear tire pressure sensor which is an electronic device that measures the force of air on the interior surface of the tire.
Left Rear Tire Pressure Sensor Status - Varies This parameter will display different types of sensor faults. The tire pressure sensors are mounted inside a tire assembly on valve stems or wheel rims.
Left Rear Tire Pressure Sensor Signal Strength - Varies The tire pressure monitoring system detects a pressure loss at the tires. Each wheel is equipped with a pressure sensor to measure the pressure and temperature. This parameter displays the signal strength of the sensor.
Left Rear Tire Pressure Signal Frame Count - Varies This is the number of data frames the tire pressure sensor is transmitting while driving.
Left Rear Tire Pressure Signal Packet Count - Varies This is the number of packet counts the tire pressure sensor is transmitting while driving.
Right Front Tire Pressure Sensor Identification - Varies This parameter will display the six digit identification number of the sensor indicated which is an electronic device that measures the force of air on the interior surface of the tire.
Right Front Tire Pressure Sensor Battery Status - Normal The scan tool displays Normal or Low Pressure. This parameter displays the state of the power supply (battery) for the right front tire pressure sensor which is an electronic device that measures the force of air on the interior surface of the tire.
Right Front Tire Pressure Sensor Status - Varies This parameter will display different types of sensor faults. The tire pressure sensors are mounted inside a tire assembly on valve stems or wheel rims.
Right Front Tire Pressure Sensor Signal Strength - Varies The tire pressure monitoring system detects a pressure loss at the tires. Each wheel is equipped with a pressure sensor to measure the pressure and temperature. This parameter displays the signal strength of the sensor.
Right Front Tire Pressure Signal Frame Count - Varies This is the number of data frames the tire pressure sensor is transmitting while driving.
Right Front Tire Pressure Signal Packet Count - Varies This is the number of packet counts the tire pressure sensor is transmitting while driving.
Right Rear Tire Pressure Sensor Identification - Varies This parameter will display the six digit identification number of the sensor indicated which is an electronic device that measures the force of air on the interior surface of the tire.
Right Rear Tire Pressure Sensor Battery Status - Normal The scan tool displays Normal or Low Pressure. This parameter displays the state of the power supply (battery) for the right rear tire pressure sensor which is an electronic device that measures the force of air on the interior surface of the tire.
Right Rear Tire Pressure Sensor Status - Varies This parameter will display different types of sensor faults. The tire pressure sensors are mounted inside a tire assembly on valve stems or wheel rims.
Right Rear Tire Pressure Sensor Signal Strength - Varies The tire pressure monitoring system detects a pressure loss at the tires. Each wheel is equipped with a pressure sensor to measure the pressure and temperature. This parameter displays the signal strength of the sensor.
Right Rear Tire Pressure Signal Frame Count - Varies This is the number of data frames the tire pressure sensor is transmitting while driving.
Right Rear Tire Pressure Signal Packet Count - Varies This is the number of packet counts the tire pressure sensor is transmitting while driving.
Body Control Module - Tire Pressure Monitoring System Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Left Front Tire Pressure - Varies Tire pressure is a measure of the amount of air in a vehicle's tires, in pounds per square inch (PSI). This parameter is the amount of pressure present in the front of the vehicle on the left side.
Left Front Tire Pressure Sensor Mode - Varies The scan tool displays Learn Mode - Remotely Triggered, Undefined, Re-Measure, Drive Mode, Power Down, Wake-Up, or Learn Mode - Pressure Triggered. This parameter refers to the operational level of the electronic device that measures the force of air on the interior surface of the left front tire.
Left Front Tire Pressure Status - Varies The scan tool displays Unknown, Nominal, Very Low Pressure, Low, Weak Signal, or High. This parameter indicates the state of the tire based on tire pressure.
Left Front Tire Temperature - Varies The tire pressure monitoring system detects a pressure loss at the tires. Each wheel is equipped with a pressure sensor to measure the pressure and temperature. This parameter displays the temperature of the tire.
Left Rear Tire Pressure - Varies Tire pressure is a measure of the amount of air in a vehicle's tires, in pounds per square inch (PSI). This parameter is the amount of pressure present in the rear of the vehicle on the left side.
Left Rear Tire Pressure Sensor Mode - Varies The scan tool displays Learn Mode - Remotely Triggered, Undefined, Re-Measure, Drive Mode, Power Down, Wake-Up, or Learn Mode - Pressure Triggered. This parameter refers to the operational level of the electronic device that measures the force of air on the interior surface of the left rear tire.
Left Rear Tire Pressure Status - Varies The scan tool displays Unknown, Nominal, Very Low Pressure, Low, Weak Signal, or High. This parameter identifies status of left rear tire pressure.
Left Rear Tire Temperature - Varies The tire pressure monitoring system detects a pressure loss at the tires. Each wheel is equipped with a pressure sensor to measure the pressure and temperature. This parameter displays the temperature of the tire.
Right Front Tire Pressure - Varies Tire pressure is a measure of the amount of air in a vehicle's tires, in pounds per square inch (PSI). This parameter is the amount of pressure present in the front of the vehicle on the right side.
Right Front Tire Pressure Sensor Mode - Varies The scan tool displays Learn Mode - Remotely Triggered, Undefined, Re-Measure, Drive Mode, Power Down, Wake-Up, or Learn Mode - Pressure Triggered. This parameter refers to the operational level of the electronic device that measures the force of air on the interior surface of the right front tire.
Right Front Tire Pressure Status - Varies The scan tool displays Unknown, Nominal, Very Low Pressure, Low, Weak Signal, or High. This parameter indicates the state of the tire based on tire pressure.
Right Front Tire Temperature - Varies The tire pressure monitoring system detects a pressure loss at the tires. Each wheel is equipped with a pressure sensor to measure the pressure and temperature. This parameter displays the temperature of the tire.
Right Rear Tire Pressure - Varies Tire pressure is a measure of the amount of air in a vehicle's tires, in pounds per square inch (PSI). This parameter is the amount of pressure present in the rear of the vehicle on the right side.
Right Rear Tire Pressure Sensor Mode - Varies The scan tool displays Learn Mode - Remotely Triggered, Undefined, Re-Measure, Drive Mode, Power Down, Wake-Up, or Learn Mode - Pressure Triggered. This parameter refers to the operational level of the electronic device that measures the force of air on the interior surface of the right rear tire.
Right Rear Tire Pressure Status - Varies The scan tool displays Unknown, Nominal, Very Low Pressure, Low, Weak Signal, or High. This parameter indicates the state of the tire based on tire pressure.
Right Rear Tire Temperature - Varies The tire pressure monitoring system detects a pressure loss at the tires. Each wheel is equipped with a pressure sensor to measure the pressure and temperature. This parameter displays the temperature of the tire.
Last Tire Fill Alert Notification - Varies The scan tool displays Left Rear Inner, Left Rear Outer, Right Rear Outer, Left Front, Right Rear Inner, Spare, Unknown, or Right Front. Tire Fill Alert is a software feature that indicates when a predetermined pressure level is reached performed on the last tire.
Tire Fill Alert System State - Current - Varies The scan tool displays Non Monitor, Monitoring, Active, or Achieved. Tire Fill Alert is software feature in the Tire Pressure Module system. Basically, the Tire Pressure Module system enables the High Pressure Warnings when the air pressure level goes higher than target pressure level. This parameter indicates the immediate status of the system in the present power cycle.
Tire Fill Alert System State - Previous - Varies The scan tool displays Non Monitor, Monitoring, Active, or Achieved. Tire Fill Alert is software feature in the Tire Pressure Module System. Basically, the Tire Pressure Module system enables the High Pressure Warnings when the air pressure level goes higher than target pressure level. This parameter indicates the status in the former power cycle.
Self Auto Learn Status - Left Front Sensor - Inactive The scan tool displays Active or Inactive. For vehicles with Self Auto Learn capable sensors, this parameter is used to define transmission during rolling Self Auto Learn state. A value of 1 means Self Auto Learn rolling state is Active and a value of 0 sets for all other non Self Auto Learn transmissions.
Self Auto Learn Status - Left Rear Sensor - Inactive The scan tool displays Active or Inactive. For vehicles with Self Auto Learn capable sensors, this parameter is used to define transmission during rolling Self Auto Learn state. A value of 1 means Self Auto Learn rolling state is Active and a value of 0 sets for all other non Self Auto Learn transmissions.
Self Auto Learn Status - Right Front Sensor - Inactive The scan tool displays Active or Inactive. For vehicles with Self Auto Learn capable sensors, this parameter is used to define transmission during rolling Self Auto Learn state. A value of 1 means Self Auto Learn rolling state is Active and a value of 0 sets for all other non Self Auto Learn transmissions.
Self Auto Learn Status - Right Rear Sensor - Inactive The scan tool displays Active or Inactive. For vehicles with Self Auto Learn capable sensors, this parameter is used to define transmission during rolling Self Auto Learn state. A value of 1 means Self Auto Learn rolling state is Active and a value of 0 sets for all other non Self Auto Learn transmissions.
Body Control Module - Windows Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
All Windows Up/Down - Close The scan tool displays Open or Close.
Driver Window Learned - Yes The scan tool displays Yes or No.
Driver Window Motor Relay Fault Status - OK This scan tool displays OK or Malfunction.
Left Front Window Express Down - Inactive The scan tool displays Active or Inactive.
Left Front Window Express Up - Inactive The scan tool displays Active or Inactive.
Left Front Window Learned Indicator - Not Active The scan tool displays Active or Not Active.
Left Front Window Lockout Status - Inactive The scan tool displays Active or Inactive.
Left Front Window Motor Current - Varies The scan tool displays left front window motor current in amperes (A).
Left Front Window Switch - Inactive The scan tool displays Inactive, Up, Express Up, Down, Express Down, or Stop.
Left Rear Window Express Up - Inactive The scan tool displays Active or Inactive.
Left Rear Window Express Down - Inactive The scan tool displays Active or Inactive.
Left Rear Window Learned - Yes The scan tool displays Yes or No.
Left Rear Window Learned Indicator - Not Active The scan tool displays Active or Not Active.
Left Rear Window Lockout Status - Inactive The scan tool displays Active or Not Active.
Left Rear Window Motor Current - Varies The scan tool displays left rear window motor current in amperes (A).
Left Rear Window Motor Relay Fault Status - OK This scan tool displays OK or Malfunction.
Left Rear Window Switch - Inactive The scan tool displays Inactive, Up, Express Up, Down, Express Down, or Stop.
Passenger Window Learned - Yes The scan tool displays Yes or No.
Passenger Window Motor Relay Fault Status - OK This scan tool displays OK or Malfunction.
Right Front Window Express Up - Inactive The scan tool displays Active or Inactive.
Right Front Window Express Down - Inactive The scan tool displays Active or Inactive.
Right Front Window Learned Indicator - Not Active The scan tool displays Active or Not Active.
Right Front Window Lockout Status - Inactive The scan tool displays Active or Inactive.
Right Front Window Motor Current - Varies The scan tool displays right front window motor current in amperes (A).
Right Front Window Switch - Inactive The scan tool displays Inactive, Up, Express Up, Down, Express Down, or Stop.
Right Rear Window Express Up - Inactive The scan tool displays Active or Inactive.
Right Rear Window Express Down - Inactive The scan tool displays Active or Inactive.
Right Rear Window Learned - Yes The scan tool displays Yes or No.
Right Rear Window Learned Indicator - Not Active The scan tool displays Active or Not Active.
Right Rear Window Lockout Status - Inactive The scan tool displays Active or Inactive.
Right Rear Window Motor Current - Varies The scan tool displays right rear window motor current in amperes (A).
Right Rear Window Motor Relay Fault Status - OK This scan tool displays OK or Malfunction.
Right Rear Window Switch - Inactive The scan tool displays Inactive, Up, Express Up, Down, Express Down, or Stop.
Window Lockout Indicator - Inactive The scan tool displays Active or Inactive.
Body Control Module - Wiper/Washer Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Windshield Washer Switch - Off This parameter is used to display the state of the windshield washer switch. The states are On or Off. This is the electrical connection that controls the input to the motor that causes washer fluid to be dispensed on the front windshield.
Windshield Wiper Switch - Off The scan tool displays Off, Sensitivity 1, Sensitivity 2, Sensitivity 3, Sensitivity 4, Sensitivity 5, Low, or High. This is the electrical connection that controls the input to the motor that causes movement of the wiper arm to clear the front windshield.
Windshield Wiper Mode - Varies The scan tool displays Low, High, Delay 1, Delay 2, Delay 3, Delay 4, Delay 5, Suspended Due to Engine Crank, Parked, Service Park, Depressed Park, or Winter Park. This parameter displays the windshield wiper mode status.
Windshield Wiper Auto Mode Switch - - -
Windshield Wiper Motor Protection Mode - - -
Body Control Module - Tire Pressure Monitoring System Data - Front - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Selected Front Tire Type - Standard Load The scan tool displays No Tire Type, Standard Load, Extra Load, Load Range C, Load Range D, or Load Range E. This parameter displays the front tire type.
Front Tire Pressure on Placard - Varies This parameter reads the tire pressures selected for the front of the vehicle during programming / vehicle setup. Placard is the label printed on the driver side door. The recommended tire inflation pressures are listed on that label. The purpose of this parameter is to monitor for vehicles which have for some reason cleared the placard values to zero.
Front Tire Pressure on Placard (Eco) - Varies This parameter shows the tire pressure printed on the label (placard) in the driver side door. There are 3 pressures given on the label for Comfort, Eco, Fully Loaded.
Front Tire Pressure on Placard (Comfort) - Varies This parameter shows the tire pressure printed on the label (placard) in the driver side door. There are 3 pressures given on the label for Comfort, Eco, Fully Loaded.
Front Tire Pressure on Placard (Fully Loaded) - Varies This parameter shows the tire pressure printed on the label (placard) in the driver side door. There are 3 pressures given on the label for Comfort, Eco, Fully Loaded.
Tire Pressure Monitoring System Regulation Type - Varies The scan tool displays FMVSS, China, ECER64, or None. The Tire Pressure Monitoring System can be built to follow different legal standards. This parameter shows the name of the regulation (law giving entity), like Federal Motor Vehicle Safety Standards or Economic Commission for Europe.
Body Control Module - Tire Pressure Monitoring System Data - Rear - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Selected Rear Tire Type - Standard Load The scan tool displays No Tire Type, Standard Load, Extra Load, Load Range C, Load Range D, or Load Range E. This parameter is used to display the type of tire selected (Load Range) for rear of the vehicle. The load range of the tire is generally how much weight or load the tire is capable performing.
Rear Tire Pressure on Placard - Varies This parameter reads the tire pressures selected for the rear of the vehicle during programming / vehicle setup. Placard is the label printed on the driver side door. The recommended tire inflation pressures are listed on that label. The purpose of this parameter is to monitor for vehicles which have for some reason cleared the placard values to zero.
Rear Tire Pressure on Placard (Eco) - Varies This parameter shows the tire pressure printed on the label (placard) in the driver side door. There are 3 pressures given on the label for Comfort, Eco, Fully Loaded.
Rear Tire Pressure on Placard (Comfort) - Varies This parameter shows the tire pressure printed on the label (placard) in the driver side door. There are 3 pressures given on the label for Comfort, Eco, Fully Loaded.
Rear Tire Pressure on Placard (Fully Loaded) - Varies This parameter shows the tire pressure printed on the label (placard) in the driver side door. There are 3 pressures given on the label for Comfort, Eco, Fully Loaded.
Tire Pressure Monitoring System Regulation Type - Varies The scan tool displays FMVSS, China, ECER64, or None. The Tire Pressure Monitoring System can be built to follow different legal standards. This parameter shows the name of the regulation (law giving entity), like Federal Motor Vehicle Safety Standards or Economic Commission for Europe.
Body Control Module - Vehicle Access Data - Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Vehicle in Service Mode, Vehicle in Park, All Doors Closed
Child Security Lock - Lock Command - Inactive The scan tool displays Inactive or Lock.
Child Security Lock - Unlock Command - Inactive The scan tool displays Inactive or Unlock.
Driver Door Open Switch - Inactive This scan tool displays Active or Inactive.
Fuel Fill Door Lock - Inactive The scan tool displays Inactive or Lock.
Fuel Fill Door Unlock - Inactive The scan tool displays Inactive or Unlock.
Glove Box Unlatch Switch - Locked The scan tool displays Locked or Unlocked.
Left Front Door Ajar Switch - Inactive The scan tool displays Active or Inactive.
Left Front Door Lock Command - Inactive The scan tool displays Inactive or Lock.
Left Front Door Lock Indicator Command - Off The scan tool displays On or Off.
Left Front Door Lock Switch - Inactive The scan tool displays Active or Inactive.
Left Front Door Unlock Command - Inactive The scan tool displays Inactive or Unlock.
Left Rear Door Ajar Switch - Inactive The scan tool displays Active or Inactive.
Left Rear Door Lock Command - Inactive The scan tool displays Inactive or Lock.
Left Rear Door Lock Indicator Command - Off The scan tool displays On or Off.
Left Rear Door Unlock Command - Inactive The scan tool displays Inactive or Unlock.
Passenger Door Open Switch - Inactive The scan tool displays Active or Inactive.
Right Front Door Ajar Switch - Inactive The scan tool displays Active or Inactive.
Right Front Door Lock Command - Inactive The scan tool displays Inactive or Lock.
Right Front Door Lock Indicator Command - Off The scan tool displays On or Off.
Right Front Door Unlock Command - Inactive The scan tool displays Inactive or Unlock.
Right Rear Door Ajar Switch - Inactive The scan tool displays Active or Inactive.
Right Rear Door Lock Command - Inactive The scan tool displays Inactive or Lock.
Right Rear Door Lock Indicator Command - Off The scan tool displays On or Off.
Rear Door Unlock Indicator Command - Off The scan tool displays On or Off.
Right Rear Door Unlock Command - Inactive The scan tool displays Inactive or Unlock.
Rear Closure Release - Inactive The scan tool displays Inactive or Unlock.
Rear Closure Lock Command - Inactive The scan tool displays Inactive or Lock.
Rear Closure Unlock Command - Inactive The scan tool displays Inactive or Unlock.
Theft Deterrent Lock Command - Inactive The scan tool displays Inactive or Lock.
Theft Deterrent Unlock Command - Inactive The scan tool displays Inactive or Unlock.
Body Control Module - Content Theft Deterrent Alarm Trigger - Scan Tool Output Controls

Output Control Description
Horn Relay Command This output control refers to a request to initiate the sound for a vehicle's loud warning signal. This output control is used to command the horn relay on and off.
Body Control Module - Exterior Lighting - Scan Tool Output Controls

Output Control Description
Center High Mounted Stop Lamp This output control is used to activate the center high mounted stop lamp when selecting On. The center high mounted stop lamp should illuminate until commanded Off.
Left Stop Lamp This output control is used to activate the left stop lamp when selecting On. The left stop lamp should illuminate until commanded Off.
Right Stop Lamp This output control is used to activate the right stop lamp when selecting On. The right stop lamp should illuminate until commanded Off.
License Plate Lamps This output control is used to activate the license plate lamps when selecting On. The license plate lamps should illuminate until commanded Off.
Backup Lamps This output control is used to activate the backup lamps when selecting On. The backup lamps should illuminate until commanded Off.
Left Park Lamps This output control is used to activate the left park lamps when selecting On. The left park lamps should illuminate until commanded Off.
Right Park Lamps This output control is used to activate the right park lamps when selecting On. The right park lamps should illuminate until commanded Off.
Left Daytime Running Lamps This output control is used to activate the left daytime running lamps when selecting On. The left daytime running lamps should illuminate until commanded Off.
Right Daytime Running Lamps This output control is used to activate the right daytime running lamps when selecting On. The right daytime running lamps should illuminate until commanded Off.
Left Auxiliary Daytime Running Lamps This output control is used to activate the left auxiliary daytime running lamps when selecting On. The left auxiliary daytime running lamps should illuminate until commanded Off.
Right Auxiliary Daytime Running Lamps This output control is used to activate the right auxiliary daytime running lamps when selecting On. The right auxiliary daytime running lamps should illuminate until commanded Off.
Left Front Auxiliary Park Lamp Command This output control is used to activate the left front auxiliary park lamp when selecting On. The left front auxiliary park lamp should illuminate until commanded Off.
Right Front Auxiliary Park Lamp Command This output control is used to activate the right front auxiliary park lamp when selecting On. The right front auxiliary park lamp should illuminate until commanded Off.
Left Front Turn Signal Lamp Command This output control is used to activate the left front turn signal lamp when selecting On. The left front turn signal lamp should illuminate until commanded Off.
Right Front Turn Signal Lamp Command This output control is used to activate the right front turn signal lamp when selecting On. The right front turn signal lamp should illuminate until commanded Off.
Left Turn Signal Repeater Lamp Command This output control is used to activate the left turn signal repeater lamp when selecting On. The left turn signal repeater lamp should illuminate until commanded Off.
Right Turn Signal Repeater Lamp Command This output control is used to activate the right turn signal repeater lamp when selecting On. The right turn signal repeater lamp should illuminate until commanded Off.
Rear Fog Lamp(s) This output control is used to activate the rear fog lamp(s) when selecting On. The rear fog lamp(s) should illuminate until commanded Off.
Body Control Module - HVAC Controls - Scan Tool Output Controls

Output Control Description
Blower Motor This output control commands the HVAC blower motor speed, displayed in percent. The blower should be turning. The blower motor is a motor with a cage attached to force the air through ducts such as heater, ventilation and defrost ducts.
Body Control Module - Interior Lighting - Scan Tool Output Controls

Output Control Description
Child Security Lock Indicator This output control is used to activate the child security lock indicator when selecting On. The child security lock indicator should illuminate until commanded Off.
Dome/Reading Lamps Front Overhead Console This output control is used to activate the dome/reading lamps when selecting On. The dome/reading lamps should illuminate until commanded Off.
Lane Departure Warning Indicator This output control is used to activate the lane departure warning indicator when selecting On. The lane departure warning indicator should illuminate until commanded Off.
Security Indicator This output control is used to activate the security indicator when selecting On. The security indicator should illuminate until commanded Off.
Body Control Module - Power Mode - Scan Tool Output Controls

Output Control Description
Run/Crank Relay Command This output control is used to command run/crank relay active or inactive.
Accessory/Retained Accessory Power Relay Command This output control is used to command accessory/retained accessory power relay active or inactive.
Run Relay Command This output control is used to command run relay active or inactive.
Power Mode Timeout This output control is used to disable or enable the power mode timeout function (not whether timer is active or inactive).
Battery Saver Mode This output control is used to enable or disable the transport mode state.
Body Control Module - Seat Heating/Venting/Cooling - Scan Tool Output Controls

Output Control Description
Left Front Seat Heating This output control is used to turn on/off all outputs for heating elements for the left front seat.
Right Front Seat Heating This output control is used to turn on/off all outputs for heating elements for the right front seat.
Driver Seat Blower This output control can be used for setting various blower speeds, but service tool will only turn on high to verify module outputs and fan operation.
Passenger Seat Blower This output control can be used for setting various blower speeds, but service tool will only turn on high to verify module outputs and fan operation.
Body Control Module - Configuration/Reset Functions - Scan Tool Output Controls

Output Control Description
Brake Pedal Position Sensor Learn 
Brake Pedal Position Sensor Learn This output control is used to activate the brake pedal position sensor learn when selecting Learn. The brake pedal position sensor learn procedure should start.
HVAC Actuators Learn 
HVAC Actuators Learn This output control is used to activate the HVAC actuators learn when selecting Learn. The HVAC actuators learn procedure should start.