Section 480 (HVAC Systems - Automatic)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic System Check - HVAC Systems - Automatic
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B0159: Outside Air Temperature Sensor Circuit Range/Performance
- DTC B0164: Passenger Compartment Temperature Sensor Circuit Range/Performance
- DTC B0169: Auxiliary Inside Air Temperature Sensor Circuit
- DTC B0174, B0179, B0510, or B0515: Discharge Air Temperature Sensor Circuit
- DTC B0183 or B0188: Sunload Sensor Circuit
- DTC B0229, B0414, B0424, or B3770: HVAC Door Actuator Range/Performance
- DTC B0263, B0268, B0408, or B0418: HVAC Door Actuator Circuit
- DTC B0429 or B3531: HVAC Door Actuator Circuit
- DTC B0434 or B3764: Auxiliary HVAC Door Actuator Range/Performance
- DTC B1375: Device Ignition 3 Circuit
- DTC B3579 or B3584: Auxiliary Air Temperature Sensor Circuit Range/Performance
- DTC P0530: Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit
- 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/O D07)
- Mode Actuator Replacement (W/ 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