Section 1337 (HVAC Systems - Automatic)
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 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 System - Automatic
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B0159 or B0164: Air Temperature Sensor Voltage
- DTC B0174, B0179, B0510, or B0515: Air Temperature Parameter Counts
- DTC B0183 or B0188: Sunload Sensor Signal Counts
- DTC B0229, B0414, B0424, or B3770: Actuator
- DTC B0263, B0268, B0408, or B0418: Actuator Position
- DTC B1375: No Voltage On The Ignition 3 Voltage Input
- DTC P0530: A/C Refrigerant Pressure Sensor Signal Voltage
- 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 (RPO (CR2))
- Mode Actuator Replacement (W/O D07)
- Mode Actuator Replacement (W/D07)
- Air Temperature Actuator Replacement - Right Side
- Air Temperature Actuator Replacement - Left Side
- 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