Circuit/System Verification

2025 Chevrolet Traverse High Country, FWDSECTION Circuit/System Verification
  1. Vehicle Power Mode - Run/Service Mode.
  2. Operate The Component: Driver Window Switch @ S79D Front Side Door Window Control Switch - Driver - Pressed & Pulled

    Verify The Component Works As Specified:

    • M74D Front Side Door Window Regulator Motor - Driver = Up
    • M74D Front Side Door Window Regulator Motor - Driver = Down
    • M74D Front Side Door Window Regulator Motor - Driver = Express Down
    • M74D Front Side Door Window Regulator Motor - Driver = Express Up
    • If The Component Does Not Work As Specified 

      Refer To: Circuit/System Testing - Test 1

    • Go To Next Step: If The Component Works As Specified 
  3. Operate The Component: S79P Front Side Door Window Switch - Passenger - Pressed & Pulled

    Verify The Component Works As Specified:

    • M74P Front Side Door Window Regulator Motor - Passenger = Up
    • M74P Front Side Door Window Regulator Motor - Passenger = Down
    • M74P Front Side Door Window Regulator Motor - Passenger = Express Down
    • If The Component Does Not Work As Specified 

      Refer To: Circuit/System Testing - Test 2

    • Go To Next Step: If The Component Works As Specified 
  4. Operate The Component: Window Lockout Switch - Pressed

    Verify The Scan Tool Parameter: Left Rear Window Lockout Status = Inactive & Active

    • If The Parameter Does Not Change 

      Replace The Component: S79D Front Side Door Window Control Switch - Driver

    • Go To Next Step: If The Parameter Changes 
  5. Window Lockout Switch = Not Activated
  6. Operate The Component: S79Lr Rear Side Door Window Switch - Left - Pressed & Pulled

    Verify The Component Works As Specified:

    • M74Lr Rear Side Door Window Regulator Motor - Left = Up
    • M74Lr Rear Side Door Window Regulator Motor - Left = Down
    • M74Lr Rear Side Door Window Regulator Motor - Left = Express Down
    • If The Component Does Not Work As Specified 

      Refer To: Circuit/System Testing - Test 3

    • Go To Next Step: If The Component Works As Specified 
  7. Operate The Component: Window Lockout Switch - Pressed

    Verify The Scan Tool Parameter: Right Rear Window Lockout Status = Inactive & Active

    • If The Parameter Does Not Change 

      Replace The Component: S79D Front Side Door Window Control Switch - Driver

    • Go To Next Step: If The Parameter Changes 
  8. Window Lockout Switch = Not Activated
  9. Operate The Component: S79Rr Rear Side Door Window Switch - Right - Pressed & Pulled

    Verify The Component Works As Specified:

    • M74Rr Rear Side Door Window Regulator Motor - Right = Up
    • M74Rr Rear Side Door Window Regulator Motor - Right = Down
    • M74Rr Rear Side Door Window Regulator Motor - Right = Express Down
    • If The Component Does Not Work As Specified 

      Refer To: Circuit/System Testing - Test 4

    • Go To Next Step: If The Component Works As Specified 
  10. Operate The Component: Left Rear Window Switch @ S79D Front Side Door Window Control Switch - Driver - Pressed & Pulled

    Verify The Component Works As Specified:

    • M74Lr Rear Side Door Window Regulator Motor - Left = Up
    • M74Lr Rear Side Door Window Regulator Motor - Left = Down
    • M74Lr Rear Side Door Window Regulator Motor - Left = Express Down
    • If The Component Does Not Work As Specified 

      Replace The Component: S79D Front Side Door Window Control Switch - Driver

    • Go To Next Step: If The Component Works As Specified 
  11. Operate The Component: Right Rear Window Switch @ S79D Front Side Door Window Control Switch - Driver - Pressed & Pulled

    Verify The Component Works As Specified:

    • M74Rr Rear Side Door Window Regulator Motor - Right = Up
    • M74Rr Rear Side Door Window Regulator Motor - Right = Down
    • M74Rr Rear Side Door Window Regulator Motor - Right = Express Down
    • If The Component Does Not Work As Specified 

      Replace The Component: S79D Front Side Door Window Control Switch - Driver

    • Go To Next Step: If The Component Works As Specified 
  12. Operate The Component: Passenger Window Switch@S79D Front Side Door Window Control Switch - Driver - Pressed & Pulled

    Verify The Component Works As Specified:

    • M74P Front Side Door Window Regulator Motor - Passenger = Up
    • M74P Front Side Door Window Regulator Motor - Passenger = Down
    • M74P Front Side Door Window Regulator Motor - Passenger = Express Down
    • If The Component Does Not Work As Specified 

      Replace The Component: S79D Front Side Door Window Control Switch - Driver

    • Go To Next Step: If The Component Works As Specified 
  13. A Fault That Is Not Currently Present May Have Been Caused By A Intermittent Condition.
RENDER: 1.0x

NO RELATED

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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.