HUMMER 2010 Hummer H3 Base

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Repair and Diagnosis

Quick Lookups
- Common Specs & Procedures
- DTC Index
- Electrical Component Locations
- Fluids
- Technical Bulletins
- Tire Fitment
- Wiring Diagrams
Accessories & Equipment
- Anti-Theft Systems
- Body Interior
- Collision/Avoidance
- Communication Devices
- Cruise Control Systems
- Drivers Assistance Systems - ADAS
- Entertainment Systems
- Exterior Lights
  - Lighting
    - Specifications
    - Schematic and Routing Diagrams
    - Diagnostic Information and Procedures
      - Diagnostic Code Index
      - DTC B0525
      - DTC B0527, B0528, or B0529
      - DTC B0530
      - DTC B0532, B0533, or B0534
      - DTC B2532 or B2533
      - DTC B2557 or B2558
      - DTC B2562 or B2563
      - DTC B2575
      - DTC B2582 or B2583
      - DTC B2585
      - DTC B2602 or B2603
      - DTC B2622 or B2623
        Diagnostic Instructions
        DTC Descriptor
        Diagnostic Fault Information
        Circuit/System Description
        Conditions for Running the DTC
        Conditions for Setting the DTC
        B2622
        B2623
        Action Taken When the DTC Sets
        Conditions for Clearing the DTC
        Reference Information
        Circuit/System Testing
        Repair Procedures
      - DTC B2647 or B2648
      - Symptoms - Lighting
      - Backup Lamps Malfunction
      - Cargo Lamps Malfunction
      - Roof Clearance Lamps Malfunction
      - Courtesy Lamps Malfunction
      - Daytime Running Lamps Malfunction
      - Front Fog Lamps Malfunction
      - Rear Fog Lamps Malfunction
      - Hazard Lamps Malfunction
      - Headlamps Malfunction
      - Headlamp Leveling Malfunction
      - Interior Backlighting Malfunction
      - Off-Road Lamps Malfunction
      - Park, License, and/or Tail Lamps Malfunction
      - Stop Lamps Malfunction
      - Turn Signal Lamps and/or Indicators Malfunction
    - Repair Instructions
    - Description and Operation
- Gauges & Instrument Panels
- Headlights
- Heated Glass/Defoggers
- Horns
- Ignition Switch/Steering Lock
- Infotainment
- Interior/Exterior Trim
- Interior/Illumination Lights
- Memory Modules
- Mirrors
- Seats
- Steering Column Switches
- Warning Systems
- Window Motors & Regulators
- Wiper/Washer Systems
Body & Frame
- Body, Cab Control Systems
- Door Locks
- Exterior Body Panels
- Exterior/Interior Trim
- Frames, Subframes & Crossmembers
- Ignition Switch/Steering Lock
- Mirrors
- Seats
- Sun Roof/T-Top/Convertible Top
- Fixed And MOVEABLE Windows
Brakes
- Anti-Lock Brakes
- Mechanical - Hydraulic
- Parking Brake System
- Traction Control
Drivelines & Axles
- Axle Shafts
- Differentials & Drive Axles
- Driveshaft & Universal Joints
Electrical
- Body Electrical
- Charging Systems
- Component Locations
- Gauges
- Horns
- Motors, Switches, Relays
- Starter
- Wiring Diagrams
Engine Mechanical
- Cooling System (Mechanical)
- Engine Exhaust
- Lubrication System
- Mechanical
- Starter
Engine Performance
- Emissions
- Specifications
- System
- Testing & Diagnosis
General Information
- Abbreviations
- Basic Trouble Shooting
- Brakes
- Check Lists
- OBD-II Drive Cycles - 3.7L
- Driveline/Axles
- DTC Index
- Electrical
- Engine
- Engine Performance
- Map - Exhaust Systems
- Heating, Ventilation & A/C (HVAC)
- Hoist/Jack
- Identification
- Metric Conversions
- OEM General Information
- Reset Procedures
- RPO Codes
- Specifications Index
- Steering
- Traction Control Disable Procedures
- Trouble Shooting - Manual Transmission - General Information
Heating, Ventilation & A/C (HVAC)
- General Servicing
- HVAC Control Systems
Maintenance
- Procedures
Restraints
- Air Bag, SRS
- Restraints Control Systems
- Seat Belts
Steering
- Manual Steering
- Power Steering
- Steering Column
Suspension
- Front Suspension
- Rear Suspension
- Wheel Alignment
- Wheels & Tire System
Transmission
- Automatic Trans
- Hydraulic Diagrams
- Transfer Case - BW 4493/4494
External Pages

Manual:HUMMER Hummer H3 Base 2010Page:18166 / 37523

Conditions for Setting the DTC: B2623 — 2010 Hummer H3 Base, Automatic Service Manual

Conditions for Setting the DTC: B2623

When the BCM is not receiving an I/P controls illumination lamp request signal and the I/P lamps supply voltage circuit is shorted to voltage.