GM Service Manual Online
For 1990-2009 cars only

Memory Seat Module

Driver or Passenger Seat HVC Mode: The scan tool displays the commanded state of the heated seat or the heated cooled seat.

Driver or Passenger Seat HVC Level: The scan tool displays the commanded state of the seat temperature setting during any of the heat or cool modes.

Driver and Passenger Door Switches

Seat Heat High Ind. Cmd.: The scan tool displays the indicator command received from the memory seat module.

Seat Heat Low Ind. Cmd.: The scan tool displays the indicator command received from the memory seat module.

Seat Heat Medium Ind. Cmd.: The scan tool displays the indicator command received from the memory seat module.

Seat Heat Mode Cmd.: The scan tool displays the seat heat mode indicator command received from the memory seat module.

Seat Back Heat Mode Sw.: The scan tool displays the current state of the heated seat back switch input to the door module.

Seat Heat Mode Sw.: The scan tool displays the current state of the heated seat switch input to the door module.

HVAC Control Module

Driver Heated Seat SW.: The scan tool will display Active while any of the driver heated cooled seat switches are pressed.

Pas. Heated Seat Sw.: The scan tool will display Active while any of the Passenger heated cooled seat switches are pressed.

Rear Heated Seat Module

Left or Right Rear Seat HVC Mode: The scan tool displays Back & Cushion whenever the seat cushion heater is commanded on.

Left or Right Rear Seat HVC Level: The scan tool displays the commanded state of the seat temperature setting.

Left or Right Rear Seat Cushion Heat Status: The scan tool displays Active whenever the seat cushion heater is commanded on.

Seat Heat Supply Voltage: The scan tool displays Active whenever the seat cushion heater is commanded on.

Rear HVAC/RSA

Left Rear Heated Seat Switch: The scan tool will display Active while the left rear heated seat switch is pressed.

Right Rear Heated Seat Switch: The scan tool will display Active while the right rear heated seat switch is pressed.