LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 326 (Seat Heating System And Seat Cooling System) >> Diagnostic Information and Procedures >> Heated Seat Inoperative (Cadillac, KA1) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the appropriate scan tool Seat 1 or 2 HVC Data parameters listed below while pressing and releasing the appropriate switch. The readings should change from Off to Back and Cushion or Back Only.
    • Driver Seat HVC Mode
    • Passenger Seat HVC Mode
    • If not the specified values and there are no DTCs set, replace the HVAC control module.
  2. If all scan tool parameters test normal and there are no DTCs set, replace the MSM.
scientia non olet · About LEMON Manuals