Scan Tool Data List

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

BCM Scan Tool Data List

Scan Tool Parameter	Data List	Units Displayed	Typical Data Value
Operating Conditions: Engine idling, A/C ON, ambient air temperature between 22-27°C (70-80°F)
Left Solar Sensor	Data	Counts	Varies
Right Solar Sensor	Data	Counts	Varies

HVAC Control Module Scan Tool Data List

Scan Tool Parameter	Data List	Units Displayed	Typical Data Value
Operating Conditions: Engine idling, A/C ON, ambient air temperature between 22-27°C (70-80°F)
A/C Switch	Input/Output	On, Off	Off
AC Permission	Input/Output	Withheld, Granted	Varies
Air Inlet Door Actual	Door Positions	Counts	Varies
Air Inlet Door Commanded	Door Positions	Counts	Varies
Air Inlet Motor Drive	Door Positions	Stop, Increase, Decrease	Stop
Air Mix Door Left Commanded	Door Positions	Counts	Varies
Air Mix Door Right Commanded	Door Positions	Counts	Varies
Auto Switch	Input/Output	On, Off	Off
Battery Voltage	Input/Output	Volts	13.5-14.5 V
Blower Motor PWM Speed	Input/Output	Percent	12-114%
Coolant Pump	Input/Output	ON/ OFF	OFF
Dim Level Requested	Sensor Data	Percent	Varies
DTM Difference Minimum	Sensor Data	Counts	2 Counts
Engine Coolant Temp	Sensor Data	°C/°F	Varies
Engine Request	Input/Output	Received/ Not Received	Not Received
Engine Request Priority	Input/Output	Priority 1/ Priority 2	Priority 1
Fan Down Button	Input/Output	On, Off	Off
Fan Up Button	Input/Output	On, Off	Off
Front Defrost Switch	Input/Output	On, Off	Off
Ign. Since Current DTC	Input/Output	Numeric	0
Inside Air Temp.	Sensor Data	°C/°F	Varies
Inside Air Temp. Fan	Sensor Data	On, Off	On
Left Mix Door Actual	Door Positions	Counts	Varies
Left Mix Motor Drive	Door Positions	Stop, Increase, Decrease	Stop
Left Temp. Setting	Input/Output	°C/°F	Varies
LH AC Duct Actual	Sensor Data	Counts	Varies
LH AC Duct Desired	Sensor Data	Counts	Varies
LH Heater Duct Actual	Sensor Data	Counts	Varies
LH Heater Duct Desired	Sensor Data	Counts	Varies
Mode Select Position	Door Positions	Off, Auto, Defrost, Heater, Htr/Def, Bi-level, Panel	Varies
Mode Door Actual	Door Positions	Counts	Varies
Mode Dr. Motor Command	Door Positions	Counts	Varies
Mode Motor Drive	Door Positions	Stop, Increase, Decrease	Stop
Mode Switch	Input/Output	On, Off	Off
Off Switch	Input/Output	On, Off	Off
Outside Air Temp. Filtered	Input/Output	°C/°F	22-27°C (70-80°F)
Outside Air Temp. Raw	Input/Output	°C/°F	Varies
Pressure Cycle Switch	Input/Output	Low Pressure, Normal	Varies
Rear Defrost Switch	Input/Output	On, Off	Off
Recirculate Switch	Input/Output	On, Off	Off
RH AC Duct Actual	Sensor Data	Counts	Varies
RH AC Duct Desired	Sensor Data	Counts	Varies
RH Heater Duct Actual	Sensor Data	Counts	Varies
RH Heater Duct Desired	Sensor Data	Counts	Varies
Right Mix Door Actual	Door Positions	Counts	Varies
Right Mix Motor Drive	Door Positions	Stop, Increase, Decrease	Stop
Right Temp. Setting	Input/Output	°C/°F	Varies

PCM Scan Tool Data List

Scan Tool Parameter	Data List	Units Displayed	Typical Data Value
Operating Conditions: Engine idling, A/C ON, ambient air temperature between 22-27°C (70-80°F)
A/C Pressure Sensor	Engine Data 2	kPa, Psi	629-845 kPa (85-120 psi)
A/C Pressure Sensor	Engine Data 2	Volts	Varies
A/C Relay Command	Engine Data 2	On, Off	Varies
A/C Request Signal	Engine Data 2	Yes, No	Varies
ECT Sensor	Engine Data 2	°C/°F	92°C (197°F)
ECT Sensor	Engine Data 2	Volts	1.10-1.45 Volts