GM Service Manual Online
For 1990-2009 cars only
Table 1: Driver Seat Module
Table 2: Driver Door Module
Table 3: Passenger Door Module

Driver Seat Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Power Seat Operating Conditions: Ignition Off

Heated Seat Operating Conditions: Engine Running

Battery Voltage

Input/Output

Volts

12-14

Driver Heated Seat Status

Input/Output

Off/Low/Med/High

Off

Driver Seat Heat Zone

Input/Output

Off/Back Only/Back and Cushion

Off

Drvr. Seat Heat Sensor

Sensor Data

Volts

0.0-5.0

Front Vertical Downward Switch

Input/Output

Active/Inactive

Inactive

Front Vertical Motor Downward

Input/Output

Active/Inactive

Inactive

Front Vertical Motor Upward

Input/Output

Active/Inactive

Inactive

Front Vertical Position

Sensor Data

Counts

0.0-65535

Front Vertical Upward Switch

Input/Output

Active/Inactive

Inactive

Horizontal Forward Switch

Input/Output

Active/Inactive

Inactive

Horizontal Lumbar Position

Sensor Data

Counts

0.0-65535

Horizontal Motor Forward

Input/Output

Active/Inactive

Inactive

Horizontal Motor Rearward

Input/Output

Active/Inactive

Inactive

Horizontal Position

Sensor Data

Counts

0.0-65535

Horizontal Rearward Switch

Input/Output

Active/Inactive

Inactive

Lumbar Forward Switch

Input/Output

Active/Inactive

Inactive

Lumbar Motor Forward

Input/Output

Active/Inactive

Inactive

Lumbar Motor Rearward

Input/Output

Active/Inactive

Inactive

Lumbar Rearward Switch

Input/Output

Active/Inactive

Inactive

Mem 1 Front Vertical Value

Memory Data

Counts

0.0-65535

Mem 1 Horizontal Value

Memory Data

Counts

0.0-65535

Mem 1 Rear Vertical Value

Memory Data

Counts

0.0-65535

Mem 1 Recline Value

Memory Data

Volts

0.0-5.0

Mem 2 Front Vertical Value

Memory Data

Counts

0.0-65535

Mem 2 Horizontal Value

Memory Data

Counts

0.0-65535

Mem 2 Rear Vertical Value

Memory Data

Counts

0.0-65535

Mem 2 Recline Value

Memory Data

Volts

0.0-5.0

Passenger Heated Seat Status

Input/Output

Off/Low/Med/High

Off

Psgr. Seat Heat Sensor

Sensor Data

Volts

0.0-5.0

Psgr. Seat Heat Zone

Input/Output

Off/Back Only/Back and Cushion

Off

Rear Vertical Downward Switch

Input/Output

Active/Inactive

Inactive

Rear Vertical Motor Downward

Input/Output

Active/Inactive

Inactive

Rear Vertical Motor Upward

Input/Output

Active/Inactive

Inactive

Rear Vertical Position

Sensor Data

Counts

0.0-65535

Rear Vertical Upward Switch

Input/Output

Active/Inactive

Inactive

Recline Forward Switch

Input/Output

Active/Inactive

Inactive

Recline Motor Forward

Input/Output

Active/Inactive

Inactive

Recline Motor Rearward

Input/Output

Active/Inactive

Inactive

Recline Position

Sensor Data

Volts

0.0-5.0

Recline Rearward Switch

Input/Output

Active/Inactive

Inactive

Software Design Suffix

Module Information

Numeric

Varies

Software Part Number

Module Information

Numeric

Varies

Torso Inward Switch

Input/Output

Active/Inactive

Inactive

Torso Motor Inward

Input/Output

Active/Inactive

Inactive

Torso Motor Outward

Input/Output

Active/Inactive

Inactive

Torso Outward Switch

Input/Output

Active/Inactive

Inactive

Torso Position

Sensor Data

Counts

0.0-65535

Vertical Lumbar Position

Sensor Data

Counts

0.0-65535

Driver Door Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Power Seat Operating Conditions: Ignition Off

Heated Seat Operating Conditions: Engine Running

Back Only Heat Indicator

Inputs

On/Off

Off

Back Only Heat Indicator

Outputs

On/Off

Off

Back Only Heat Switch

Inputs

Active/Inactive

Inactive

Heat Indicator High

Inputs

On/Off

Off

Heat Indicator High

Outputs

Active/Inactive

Inactive

Heat Indicator Low

Inputs

On/Off

Off

Heat Indicator Low

Outputs

On/Off

Off

Heat Indicator Medium

Inputs

On/Off

Off

Heat Indicator Medium

Outputs

On/Off

Off

Heated Seat Switch

Inputs

Active/Inactive

Inactive

Memory Switch

Inputs

Memory 1/Memory 2/Both/Idle

Idle

Passenger Door Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Engine Running

Back Only Heat Indicator

Inputs

On/Off

Off

Back Only Heat Indicator

Outputs

On/Off

Off

Back Only Heat Switch

Inputs

Active/Inactive

Inactive

Heat Indicator High

Inputs

On/Off

Off

Heat Indicator High

Outputs

On/Off

Off

Heat Indicator Low

Inputs

On/Off

Off

Heat Indicator Low

Outputs

On/Off

Off

Heat Indicator Medium

Inputs

On/Off

Off

Heat Indicator Medium

Outputs

On/Off

Off

Heated Seat Switch

Inputs

Active/Inactive

Inactive