Section 935 (HVAC Systems - Automatic)
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. 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 B013A: Air Conditioning (A/C) System Performance
- DTC B0159 or B0164: 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 B0989: Output Air Temperature Lower Sensors Correlation
- DTC B0990: Output Air Temperature Upper Sensors Correlation
- DTC B1375: Device Ignition 3 Circuit
- DTC P0530 (LU3, LR4, LM7, LQ4 and L18): Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit
- DTC P0530 (LB7): 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
- Too Hot in Vehicle
- Too Cold in Vehicle
- Air Delivery Improper
- Air Recirculation Malfunction
- Re-Calibrating Actuators
- Repair Instructions
- HVAC Control Module Replacement
- Blower Motor Control Processor Replacement
- 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 Sensor Replacement - Upper Right
- Air Temperature Sensor Replacement - Upper Left
- Air Temperature Sensor Replacement - Lower Left
- Air Temperature Sensor Replacement - Lower Right
- Ambient Air Temperature Sensor Replacement
- Inside Air Temperature Sensor Assembly Replacement
- Sun Load Sensor Replacement
- Description and Operation
- Special Tools and Equipment