GM Service Manual Online
For 1990-2009 cars only

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.