Seat Heating and Cooling for GMC Truck Yukon - 2WD 2009

All Description and Operation

• Heated Seats Description and Operation
• Heated/Cooled Seats Description and Operation

Diagnostic Procedures

• Diagnostic Starting Point - Seats
• Heated Seat Inoperative
• Heated Seat Inoperative - Rear
• Heated/Cooled Seats Inoperative
• Symptoms - Seat Heating and Cooling

Diagnostic Trouble Codes

• DTC B1925 or B2170
• DTC B1935 or B2180
• DTC B2345
• DTC B2425 or B2430
• DTC B2435 or B2440
• DTC B2508 or B2509

Electrical/Electronic Schematic Diagrams

• Heated/Cooled Seat Schematics

Mechanical Specifications

• Fastener Tightening Specifications

Removal, Installation, and Replacement

• Driver or Passenger Seat Back Cushion Heater Replacement
• Driver or Passenger Seat Back Ventilation Heating and Cooling Blower Replacement
• Driver or Passenger Seat Cushion Heater Replacement
• Driver or Passenger Seat Cushion Ventilation Heating and Cooling Blower Replacement
• Driver Seat Cushion Ventilation Heating and Cooling Module Replacement
• Front Seat Heater Switch Replacement
• Heated and Cooled Seat Switch Replacement
• Module Replacement - Seat Climate Control - Front Seat
• Passenger Seat Cushion Ventilation Heating and Cooling Module Replacement
• Rear Seat Cushion Heater Replacement
• Rear Seat Heater Control Module Replacement