Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1809 (SEAT HEATING SYSTEM & SEAT COOLING SYSTEM)
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Section 1809 (Seat Heating System & Seat Cooling System)
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Section 1809 (Seat Heating System & Seat Cooling System)
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- DTC B1925 or B2170 (Factory Installed)
- DTC B1925 or B2170 (Dealer Installed)
- DTC B1935 or B2180 (Factory Installed)
- DTC B1935 or B2180 (Dealer Installed)
- DTC B2345 (Factory Installed)
- DTC B2345 (Dealer Installed)
- DTC B2425 or B2430 (Factory Installed)
- DTC B2425 or B2430 (Dealer Installed)
- DTC B2435 or B2440 (Factory Installed)
- DTC B2435 or B2440 (Dealer Installed)
- DTC B2508 or B2509 (Factory Installed)
- DTC B2508 or B2509 (Dealer Installed)
- Symptoms - Seat Heating and Cooling
- Heated Seat Inoperative (Factory Installed, KA1)
- Heated Seat Inoperative (Dealer Installed, KA1)
- Heated/Cooled Seats Inoperative (KB6)
- Repair Instructions
- Front Seat Heater Switch Replacement
- Front Seat Heater Control Module Replacement
- Driver or Passenger Seat Back Cushion Heater Replacement
- Driver or Passenger Seat Cushion Heater Replacement
- Heated and Cooled Seat Switch Replacement (KB6)
- Module Replacement - Seat Climate Control - Front Seat (Denali with KB6)
- Driver or Passenger Seat Back Ventilation Heating and Cooling Blower Replacement (Denali with KB6)
- Driver or Passenger Seat Cushion Ventilation Heating and Cooling Blower Replacement (Denali with KB6)
- Description and Operation
- Heated Seats Description and Operation
- Heated/Cooled Seats Description and Operation
- Notes
- Air Circulation
- Seat Heat/Cool Ventilation Module
- Climate Control Seat System
- Climate Control Seat Module Power and Ground
- Climate Control Seat Module
- Memory Seat Module
- Modes of Operation
- Heated/Cooled Seat Switch and Door Module
- Temperature Sensors
- Blower Motors
- Heated Seat Operation
- Cooled Seat Operation
- Fault State
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.