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 - AUTOMATIC
2006 Chevrolet Suburban C2500, 6.0 U
HVAC Systems - Automatic
2006 Chevrolet Suburban C2500, 6.0 USECTION HVAC Systems - Automatic
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC B0159
- DTC B0164
- DTC B0169
- DTC B0174, B0179, B0510, or B0515
- DTC B0183 or B0188
- DTC B0229, B0414, B0424, or B3770
- DTC B0263, B0268, B0408, or B0418
- DTC B0429 or B3531
- DTC B0434 or B3764
- DTC B1375
- DTC B3579 or B3584
- DTC P0530
- Symptoms - HVAC Systems - Automatic
- HVAC Compressor Clutch Does Not Engage
- HVAC Compressor Clutch Does Not Disengage
- Blower Motor Always On
- Blower Motor Inoperative
- Blower Motor Malfunction
- Blower Motor Always On - Auxiliary
- Blower Motor Inoperative - Auxiliary
- Blower Motor Malfunction - Auxiliary
- Too Hot in Vehicle
- Too Cold in Vehicle
- Too Hot in Vehicle - Auxiliary
- Too Cold in Vehicle - Auxiliary
- Air Delivery Improper
- Air Delivery Improper - Auxiliary
- Air Recirculation Malfunction
- Re-Calibrating Actuators
- Repair Instructions
- HVAC Control Module Replacement
- HVAC Control Assembly Replacement - Front Auxiliary
- HVAC Control Module Replacement - Auxiliary
- Blower Motor Control Processor Replacement
- Blower Motor Processor Replacement - Auxiliary
- Recirculation Actuator Replacement
- Mode Actuator Replacement (W/ D07)
- Mode Actuator Replacement (Without D07)
- Air Temperature Actuator Replacement - Right
- Air Temperature Actuator Replacement - Left
- Air Temperature Actuator Replacement - Auxiliary
- Mode Actuator Replacement - Auxiliary (Tahoe/Yukon)
- Mode Actuator Replacement - Auxiliary (Suburban/Yukon XL)
- Air Temperature Sensor Replacement - Upper Auxiliary
- Air Temperature Sensor Replacement - Upper Right
- Air Temperature Sensor Replacement - Upper Left
- Air Temperature Sensor Replacement - Lower Auxiliary
- Air Temperature Sensor Replacement - Lower Left
- Air Temperature Sensor Replacement - Lower Right
- Ambient Air Temperature Sensor Replacement
- Inside Air Temperature Sensor Assembly Replacement
- Inside Air Temperature Sensor Assembly Replacement - Auxiliary
- Sun Load Sensor Replacement
- Description and Operation
- Air Delivery Description and Operation
- Air Temperature Description and Operation
- Special Tools and Equipment
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.