GM Service Manual Online
For 1990-2009 cars only

Rear Seat Heater Control Module Scan Tool Information for GMC Truck Yukon Denali 2009

Rear Heated Seat Module

Scan Tool Parameter

System State

Expected Value

Definition

Operating Conditions: Ignition ON/Engine OFF

Left Rear Seat HVC Mode

--

Off

The scan tool displays Off, Back & Cushion, Back Only and Cool. This is the state of the left rear seat HVAC mode.

Left Rear Seat HVC Level

--

High

The scan tool displays High, Medium and Low. This is the state of the left rear HVAC level when commanded on.

Left Rear Seat Back Heat Status

--

Inactive

The scan tool displays Active/Inactive. This is the state of the left rear seat back heat.

Left Rear Seat Cushion Heat Status

--

Inactive

The scan tool displays Active/Inactive. This is the state of the left rear seat cushion heat.

Seat Heat Supply Voltage

--

Inactive

The scan tool displays Active/Inactive. This is the state of the seat's heat supply voltage.

Right Rear Seat HVC Mode

--

Off

The scan tool displays Off, Back & Cushion, Back Only and Cool. This is the state of the right rear seat HVAC mode.

Right Rear Seat HVC Level

--

High

The scan tool displays High, Medium and Low. This is the state of the right rear HVAC level when commanded on.

Right Rear Seat Back Heat Status

--

Inactive

The scan tool displays Active/Inactive. This is the state of the right rear seat back heat.

Right Rear Seat Cushion Heat Status

--

Inactive

The scan tool displays Active/Inactive. This is the state of the right rear seat cushion heat.

Seat Heat Supply Voltage

--

Inactive

The scan tool displays Active/Inactive. This is the state of the seat's heat supply voltage.