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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1579 (Seat Heating System & Seat Cooling System) >> Diagnostic Information and Procedures >> Heated Seat Inoperative (Dealer Installed, KA1) >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition ON, observe the appropriate scan tool Heated Seat Module parameter listed below while pressing and releasing the heated seat back and cushion switch. The readings should change between Off and Back & Cushion.
    • Driver Seat HVC Mode
    • Passenger Seat HVC Mode
    • If not the specified value, refer to Heated Seat Switch Malfunction.
  2. Ignition ON, observe the appropriate scan tool Heated Seat Module parameter listed below while pressing and releasing the heated seat back only switch. The readings should change between Off and Back Only.
    • Driver Seat HVC Mode
    • Passenger Seat HVC Mode
    • If not the specified value, refer to Heated Seat Switch Malfunction.
  3. If all heated seat switch functions operate OK, but, one or more of the heated seat switch indicators is inoperative or always ON, refer to Heated Seat Switch Indicator Malfunction.
  4. If all scan tool parameters test normal and there are no DTCs set, replace the HSM.
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