A26 HVAC Controls: Scan Tool Information
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
HVAC Controls Scan Tool Data Parameters
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON/ Vehicle in Service Mode | |||
| Backlight Dimming | - | Varies | The scan tool displays % from 0 - 100 depending on the backlight dimming level. |
| Base Model Part Number | - | Varies | Base Model Part Number is the part number for the hardware without software and calibrations. |
| Battery Voltage | - | Varies | The scan tool displays V. This is the current battery voltage. |
| Boot Software Number | - | Varies | The scan tool displays the boot software ID number. |
| Calibration Part Number 1 | - | Varies | The scan tool displays the software calibration part number 1. |
| Calibration Part Number 2 | - | Varies | The scan tool displays the software calibration part number 2. |
| Calibration Part Number 3 | - | Varies | The scan tool displays the software calibration part number 3. |
| Diagnostic Data Identifier | - | Varies | The scan tool displays the 4 character alphanumeric device ID. |
| Driver HVAC Temperature Display | - | Varies | The scan tool displays °C (°F). This is the currently selected temperature setting. |
| Driver Seat Heating/Venting/Cooling Level | Driver Seat Heating/ Venting/ Cooling OFF | No LEDs activated. | The scan tool displays No LED Activated when the drivers seat heating/ venting/ cooling is OFF. When the seat is activated, the scan tool displays 1 LED Activated, 2 LEDs Activated, or 3 LEDs Activated depending on the selected level. |
| Driver Seat Heating/Venting/Cooling Mode | Driver Seat Heating/ Venting/ Cooling OFF | No LEDs activated. | The scan tool displays No LED Activated when the drivers seat heating/ venting/ cooling is OFF. When the seat is activated, the scan tool displays 1 LED Activated, 2 LEDs Activated, or 3 LEDs Activated depending on the selected level. |
| End Model Part Number | - | Varies | End Model Part Number is the part number for the hardware of the control module with software and calibrations. |
| HVAC Controls | No HVAC buttons active | No Button Pressed | The scan tool displays No Button Pressed or Button Pressed. Button Pressed is displayed when any HVAC button is activated. |
| Any HVAC button active | Button Pressed | ||
| HVAC Controls Dimming Level | - | Varies | The scan tool displays % from 0 - 100 depending on the backlight dimming level. |
| HVAC Display Dimming Level | - | Varies | The scan tool displays % from 0 - 100 depending on the display dimming level. |
| HVAC Indicator Dimming Level | - | Varies | The scan tool displays % from 0 - 100 depending on the indicator dimming level. |
| Left Temperature Knob Position | - | Varies | The scan tool displays counts from 0 - 255, indicating the current temperature knob setting. |
| Passenger HVAC Temperature Display | - | Varies | The scan tool displays °C (°F). This is the currently selected temperature setting. |
| Passenger Seat Heating/Venting/Cooling Level | Passenger Seat Heating/ Venting/ Cooling OFF | No LEDs activated. | The scan tool displays No LED Activated when the passenger seat heating/ venting/ cooling is OFF. When the seat is activated, the scan tool displays 1 LED Activated, 2 LEDs Activated, or 3 LEDs Activated depending on the selected level. |
| Passenger Seat Heating/Venting/Cooling Mode | Passenger Seat Heating/ Venting/ Cooling OFF | No LEDs activated. | The scan tool displays No LED Activated when the passenger seat heating/ venting/ cooling is OFF. When the seat is activated, the scan tool displays 1 LED Activated, 2 LEDs Activated, or 3 LEDs Activated depending on the selected level. |
| Programming Date | - | Varies | The scan tool displays the date the module was last programmed. |
| Right Temperature Knob Position | - | Varies | The scan tool displays counts from 0 - 255, indicating the current temperature knob setting. |
| System Power Mode | - | Run | The scan tool displays: Off, Accessory, Run, or Crank indicating the current vehicle power mode. |