Seat Heating System And Seat Cooling System

• Specifications
  • Fastener Tightening Specifications
• Schematic and Routing Diagrams
  • Heated/Cooled Seat Schematics (except A45)
  • Heated/Cooled Seat Schematics (A45 with KA1)
  • Heated/Cooled Seat Schematics (A45 with KB6)
• Diagnostic Information and Procedures
  • Diagnostic Code Index
  • DTC B1925 or B2170 (With Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
      • B1925 02 and B2170 02
      • B1925 05 and B2170 05
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
      • B1925 02 or B1925 05
      • B2170 02 or B2170 05
    • Repair Procedures
  • DTC B1925 or B2170 (Without Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
      • B1925 02, B2170 02
      • B1925 05, B2170 05
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
      • B1925 02 or B1925 05
      • B2170 02 or B2170 05
    • Repair Procedures
  • DTC B1925 or B2170 (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
      • B1925 02 and B2170 02
      • B1925 05 and B2170 05
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Procedures
  • DTC B1935 or B2180 (With Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
      • Notes
      • B1935 04, B2180 04
      • B1935 0A, B2180 0A
      • B1935 0B, B1935 0E, B2180 0B, B2180 0E
      • B1935 0C, B1935 0D, B2180 0C, B2180 0D
      • B1935 1F, B2180 1F
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
      • B1935 0A, B1935 0B, B1935 0C, B1935 0D, B1935 0E, B1935 04, or B1935 1F
      • B2180 0A, B2180 0B, B2180 0C, B2180 0D, B2180 0E, B2180 04, or B2180 1F
    • Repair Procedures
  • DTC B1935 or B2180 (Without Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
      • Notes
      • B1935 04, B2180 04
      • B1935 0A, B2180 0A
      • B1935 0B, B1935 0E, B2180 0B, B2180 0E
      • B1935 0C, B1935 0D, B2180 0C, B2180 0D
      • B1935 1F, B2180 1F
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
      • B1935 0A, B1935 0B, B1935 0C, B1935 0D, B1935 0E, B1935 04, or B1935 1F
      • B2180 0A, B2180 0B, B2180 0C, B2180 0D, B2180 0E, B2180 04, or B2180 1F
    • Repair Procedures
  • DTC B2345 (With Memory A45)
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
      • B2345 00
      • B2345 13
      • B2345 42
      • B2345 4B
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
      • B2345 00
      • B2345 13
      • B2345 42 or B2345 4B
    • Repair Procedures
  • DTC B2345 (Without Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
      • B2345 00
      • B2345 13
      • B2345 42
      • B2345 4B
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
      • B2345 00
      • B2345 13
      • B2345 42 or B2345 4B
    • Repair Procedures
  • DTC B2425 or B2430 (With Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
      • B2425 04, B2430 04
      • B2425 0A, B2430 0A
      • B2425 0B, B2425 0E, B2430 0B, B2430 0E
      • B2425 0C, B2425 0D, B2430 0C, B2430 0D
      • B2425 1F, B2430 1F
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
      • B2425 0A, B2425 0B, B2425 0C, B2425 0D, B2425 0E, B2425 04, or B2425 1F
      • B2430 0A, B2430 0B, B2430 0C, B2430 0D, B2430 0E, B2430 04, or B2430 1F
    • Repair Procedures
  • DTC B2425 or B2430 (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
      • B2425 0B, B2425 0E, B2430 0B, or B2430 0E
      • B2425 0C, B2425 0D, B2430 0C, or B2430 0D
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
      • B2425 0B, B2425 0C, B2425 0D, or B2425 0E
      • B2430 0B, B2430 0C, B2430 0D, or B2430 0E
    • Repair Procedures
  • DTC B2425 or B2430 (Without Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
      • B2425 04, B2430 04
      • B2425 0A, B2430 0A
      • B2425 0B, B2425 0E, B2430 0B, B2430 0E
      • B2425 0C, B2425 0D, B2430 0C, B2430 0D
      • B2425 1F, B2430 1F
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
      • B2425 0A, B2425 0B, B2425 0C, B2425 0D, B2425 0E, B2425 04, or B2425 1F
      • B2430 0A, B2430 0B, B2430 0C, B2430 0D, B2430 0E, B2430 04, or B2430 1F
    • Repair Procedures
  • DTC B2435 or B2440 (With Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
      • B2435 02 and B2440 02
      • B2435 05 and B2440 05
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
      • B2435 02 or B2435 05
      • B2440 02 or B2440 05
    • Repair Procedures
  • DTC B2435 or B2440 (Without Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
      • B2435 02 and B2440 02
      • B2435 05 and B2440 05
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
      • B2435 02 or B2435 05
      • B2440 02 or B2440 05
    • Repair Procedures
  • DTC B2508 or B2509 (With Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
      • B2508 01
      • B2508 02
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Procedures
  • DTC B2508 or B2509 (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
      • B2508 01
      • B2508 02
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Procedures
  • DTC B2508 or B2509 (Without Memory A45)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
      • B2508 01
      • B2508 02
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Procedures
  • 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
      • Heated Seat Switch Malfunction
      • Heated Seat Switch Indicator Malfunction
    • Component Testing
      • Heated Seat Switch
    • Repair Procedures
  • Heated Seat Inoperative (With Memory A45 and KB6)
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
      • Heated and Cooled Seat Switch Malfunction
      • Heated and Cooled Seat Switch Indicator Malfunction
    • Component Testing
      • Heated and Cooled Seat Switch
    • Repair Procedures
  • Heated Seat Inoperative (Without Memory A45)
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
      • Heated Seat Switch Malfunction
      • Heated Seat Switch Indicator Malfunction
    • Component Testing
      • Heated Seat Switch
    • Repair Procedures
  • Cooled Seat Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
      • Heated and Cooled Seat Switch Circuit Test
      • Cooled Seat Malfunction
      • Heated and Cooled Seat Switch Indicators Malfunction
    • Component Testing
      • Heated and Cooled Seat Switch
    • Repair Procedures
• Repair Instructions
  • Driver or Passenger 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 (Passenger)
  • Driver or Passenger Seat Cushion Heater Replacement (Driver)
  • Driver or Passenger Seat Back Ventilation Heating and Cooling Blower Replacement (Acadia, Enclave, Traverse)
  • Driver or Passenger Seat Cushion Ventilation Heating and Cooling Blower Replacement (Acadia, Enclave, Traverse)
• 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