This DTC is for the passenger air temperature actuator.
Home/GMC/Sierra 2500 HD/GMC Sierra 2500 HD (2002-2012)/Repair manual/Automatic HVAC System/DTC B0423
Contents
Wiring diagrams Section: Automatic HVAC System- Heating, Ventilation, and Air Conditioning: Specifications
- Heating, Ventilation, and Air Conditioning: Overview
- Heating, Ventilation, and Air Conditioning: Diagnosis
- Heating, Ventilation, and Air Conditioning: Removal & Installation
- Heating, Ventilation, and Air Conditioning: Maintenance
- Heating, Ventilation, and Air Conditioning: Component Locations
- Heating, Ventilation, and Air Conditioning: Other
- HVAC System - Automatic: Specifications
- HVAC System - Automatic: Overview
- HVAC System - Automatic: Diagnosis
- HVAC System - Automatic: Removal & Installation
- HVAC System - Automatic: Overhaul
- HVAC System - Automatic: Component Locations
- HVAC System - Automatic: Other
- DTC B0158
- DTC B0163
- DTC B0173
- DTC B0178
- DTC B0509
- DTC B0514
- DTC B0228
- DTC B0413
- DTC B0423
- DTC B3779
- Abbreviations
- Accessories Control Systems
- Airbag
- Anti-Lock/traction Control
- Automatic HVAC System
- Automatic Trans
- Axle Shafts
- Basic Trouble Shooting
- Body Electrical
- Brakes
- Charging System
- Check Lists
- Collision/avoidance
- Communication Devices
- Cooling System (Mechanical)
- Cruise Control Systems
- Diagnostic Connector Locations
- Differentials & Drive Axles
- Door Locks & Anti-Theft Systems
- Drive Cycles
- Driveline/axles
- Driveshaft & Universal Joints
- DTC Index
- Electrical Component Locations
- Emission Applications
- Engine
- Engine Performance
- Entertainment Systems
- Exhaust
- Exterior Body Panels
- Exterior Lights
- Exterior/interior Trim
- Frames, Subframes & Crossmembers
- Fuses & Circuit Breakers
- Gauges & Instrument Panels
- General Servicing - All Makes
- Heated Glass/defoggers
- Hoist/jack
- Horns
- Identification
- Ignition Switch/steering Lock
- Lubrication System
- Manual & Power Steering
- Manual HVAC System
- Mechanical
- Mechanical - Hydraulic
- Memory Modules
- Metric Conversions
- Mirrors
- Oem General Information
- Paint/coatings
- Parking Brake System
- Power Takeoff
- Reset Procedures
- Restraints Control Systems
- Seats
- Specifications
- Steering
- Steering Column Switches
- Steering Linkage
- Sun Roof/t-Top/convertible Top
- Suspension Front
- Suspension Rear
- Testing & Diagnostics
- Towing Systems
- Traction Control Disable
- Transfer Case
- Transmission
- Warning System
- Wheel & Tire System
- Wheel Alignment
- Wiper/washer Systems