Seat Heating System And Seat Cooling System

• Specifications
  • Fastener Specifications
• Schematic Wiring Diagrams
  • Heated/Cooled Seat Wiring Schematics
    • Indicators and Switches
    • Heating Elements (KA1 with A45)
    • Seat Cushion Temperature Sensors and Heating (KA1 without A45)
    • Seat Cushion Temperature Sensors and Heating (KB6 with A45)
    • Indicators and Switches (SPO Accessory)
    • Driver Switch
    • Passenger Switch
    • Seat Back Temperature Sensors and Cooling
• Diagnostic Information and Procedures
  • DTC B1925 or B2170: Seat Heater Sensor (With Memory A45 and KB6)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1925 or B2170: Seat Heater Sensor (With Memory A45, without KB6)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1925 or B2170: Seat Heater Sensor (Without Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1925 or B2170: Seat Heater Cushion Sensor (Dealer Installed)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1935 or B2180: Seat Back Heater (With Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1935 or B2180: Seat Back Heater (Without Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1935 or B2180: Seat Back Heater (Dealer Installed)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2345: Seat Heater (With Memory A45)
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2345: Seat Heater (Without Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2345: Seat Heater (Dealer Installed)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2425 or B2430: Seat Heater (With Memory A45, without KB6)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2425 or B2430: Seat Heater (Without Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2425 or B2430: Seat Heater (With Memory A45 and KB6)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2425 or B2430: Seat Heater (Dealer Installed)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2435 or B2440: Seat Back Heater Sensor (With Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2435 or B2440: Seat Back Heater Sensor (Without Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2435 or B2440: Seat Back Heater Sensor (Dealer Installed)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2508 or B2509: Seat Heater Relay (With Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2508 or B2509: Seat Heater Relay (Without Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2508 or B2509: Seat Heater Relay (With Memory A45 and KB6)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B2508 or B2509: Seat Heater Relay (Dealer Installed)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • Symptoms - Seat Heating and Cooling
    • Notes
    • Visual/Physical Inspection
    • Intermittent
    • Symptom List
  • Heated Seat Inoperative (With Memory A45)
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Heated Seat Inoperative (With Memory A45 and KB6)
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Heated Seat Inoperative (Without Memory A45)
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Heated Seat Inoperative (Dealer Installed)
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Cooled Seat Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
• Repair Instructions
  • Driver Seat Heater Switch Replacement
  • Passenger Seat Heater Switch Replacement
  • Front Seat Heater Control Module Replacement
  • Driver or Passenger Seat Back Heater Replacement
  • Front Seat Cushion Heater Replacement (Passenger)
  • Front Seat Cushion Heater Replacement (Driver)
  • Driver or Passenger Seat Back Ventilation Heating and Cooling Blower Replacement (Acadia, Enclave, Traverse)
  • Front Seat Cushion Ventilation Blower Replacement
• Description and Operation
  • Cooled Seat Description and Operation
    • Heated Seat Components
    • Air Circulation
    • Ventilation Cooling Module Power and Grounds
    • Ventilation Cooling Module
    • Cooled Seat Switches and Door Modules
    • Temperature Regulation
    • Load Management
  • Heated Seats Description and Operation
    • Heated Seat Components
    • Modes of Operation
    • Heated Seat Switch/LED Indicators and System Operation with A45
    • Heated Seat Switch/LED Indicators and System Operation without A45
    • Temperature Regulation
    • Load Management