Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHVAC SYSTEMS - MANUALDIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL DATA LIST
2006 Chevrolet Suburban C2500, 6.0 U
Scan Tool Data List
2006 Chevrolet Suburban C2500, 6.0 USECTION Scan Tool Data List
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/Heater Door Actual | Door Positions | Counts | Varies |
| AC/Heater Door Commanded | Door Positions | Counts | Varies |
| AC/Heater Motor Drive | Door Positions | Stop, Increase, Decrease | Stop |
| Air Inlet Motor Drive | Door Positions | Fresh Air, Recirc. | Varies |
| Air Mix Door Left Commanded | Door Positions | Counts | Varies |
| Air Mix Door Right Commanded | Door Positions | Counts | Varies |
| Battery Voltage | Input/Output | Volts | 13.5-14.5 V |
| Blower Motor Status | Input/Output | Active, Inactive | Active |
| Ign. Since Current DTC | Input/Output | Numeric | 0 |
| Left Mix Door Actual | Door Positions | Counts | Varies |
| Left Mix Motor Drive | Door Positions | Stop, Increase, Decrease | Stop |
| Left Temp. Detent Pos. | Input/Output | 0-18 | Varies |
| Mode Select Position | Door Positions | Off, Auto, Defrost, Heater, Htr/Def, Bi-level, Panel | Varies |
| Pressure Cycle Switch | Input/Output | Low Pressure, Normal | Varies |
| Recirculate Switch | Input/Output | On, Off | Off |
| Right Mix Door Actual | Door Positions | Counts | Varies |
| Right Mix Motor Drive | Door Positions | Stop, Increase, Decrease | Stop |
| Right Temp Detent Pos. | Input/Output | 0-18 | 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 High Side Pressure | Engine Data 2 | kPa, Psi | 629-845 kPa (85-120 psi) |
| A/C High Side Pressure | 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 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.