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

Horizontal Motor Forward

Input/Output

Active/Inactive

Inactive

Horizontal Motor Rearward

Input/Output

Active/Inactive

Inactive

Recline Motor Forward

Input/Output

Active/Inactive

Inactive

Recline Motor Rearward

Input/Output

Active/Inactive

Inactive

Lumbar Motor Forward

Input/Output

Active/Inactive

Inactive

Lumbar Motor Rearward

Input/Output

Active/Inactive

Inactive

Rear Vertical Motor Upward

Input/Output

Active/Inactive

Inactive

Rear Vertical Motor Downward

Input/Output

Active/Inactive

Inactive

Front Vertical Motor Upward

Input/Output

Active/Inactive

Inactive

Front Vertical Motor Downward

Input/Output

Active/Inactive

Inactive

Torso Motor Inward

Input/Output

Active/Inactive

Inactive

Torso Motor Outward

Input/Output

Active/Inactive

Inactive

Lumbar Forward Switch

Input/Output

Active/Inactive

Inactive

Lumbar Rearward Switch

Input/Output

Active/Inactive

Inactive

Torso Inward Switch

Input/Output

Active/Inactive

Inactive

Torso Outward Switch

Input/Output

Active/Inactive

Inactive

Recline Forward Switch

Input/Output

Active/Inactive

Inactive

Recline Rearward Switch

Input/Output

Active/Inactive

Inactive

Horizontal Forward Switch

Input/Output

Active/Inactive

Inactive

Horizontal Rearward Switch

Input/Output

Active/Inactive

Inactive

Rear Vertical Upward Switch

Input/Output

Active/Inactive

Inactive

Rear Vertical Downward Switch

Input/Output

Active/Inactive

Inactive

Front Vertical Upward Switch

Input/Output

Active/Inactive

Inactive

Front Vertical Downward Switch

Input/Output

Active/Inactive

Inactive

Driver Heated Seat Status

Input/Output

Off/Low/Med/High

Off

Passenger Heated Seat Status

Input/Output

Off/Low/Med/High

Off

Driver Seat Heat Zone

Input/Output

Off/Back Only/Back and Cushion

Off

Psgr. Seat Heat Zone

Input/Output

Off/Back Only/Back and Cushion

Off

Front Vertical Position

Sensor Data

Counts

0.0-65535

Rear Vertical Position

Sensor Data

Counts

0.0-65535

Horizontal Position

Sensor Data

Counts

0.0-65535

Torso Position

Sensor Data

Counts

0.0-65535

Horizontal Lumbar Position

Sensor Data

Counts

0.0-65535

Vertical Lumbar Position

Sensor Data

Counts

0.0-65535

Recline Position

Sensor Data

Volts

0.0-5.0

Drvr. Seat Heat Sensor

Sensor Data

Volts

0.0-5.0

Psgr. Seat Heat Sensor

Sensor Data

Volts

0.0-5.0

Mem 1 Front Vertical Value

Memory Data

Counts

0.0-65535

Mem 2 Front Vertical Value

Memory Data

Counts

0.0-65535

Mem 1 Horizontal Value

Memory Data

Counts

0.0-65535

Mem 2 Horizontal Value

Memory Data

Counts

0.0-65535

Mem 1 Rear Vertical Value

Memory Data

Counts

0.0-65535

Mem 2 Rear Vertical Value

Memory Data

Counts

0.0-65535

Mem 1 Recline Value

Memory Data

Volts

0.0-5.0

Mem 2 Recline Value

Memory Data

Volts

0.0-5.0

Software Part Number

Module Information

Numeric

Varies

Software Design Suffix

Module Information

Numeric

Varies

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

Heated Seat Switch

Inputs

Active/Inactive

Inactive

Heat Indicator Low

Inputs

On/Off

Off

Heat Indicator Medium

Inputs

On/Off

Off

Heat Indicator High

Inputs

On/Off

Off

Back Only Heat Indicator

Inputs

On/Off

Off

Back Only Heat Switch

Inputs

Active/Inactive

Inactive

Memory Switch

Inputs

Memory 1/Memory 2/Both/Idle

Idle

Heat Indicator Low

Outputs

On/Off

Off

Heat Indicator Medium

Outputs

On/Off

Off

Heat Indicator High

Outputs

On/Off

Off

Back Only Heat Indicator

Outputs

On/Off

Off

Passenger Door Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Engine Running

Heated Seat Switch

Inputs

Active/Inactive

Inactive

Heat Indicator Low

Inputs

On/Off

Off

Heat Indicator Medium

Inputs

On/Off

Off

Heat Indicator High

Inputs

On/Off

Off

Back Only Heat Indicator

Inputs

On/Off

Off

Back Only Heat Switch

Inputs

Active/Inactive

Inactive

Heat Indicator Low

Outputs

On/Off

Off

Heat Indicator Medium

Outputs

On/Off

Off

Heat Indicator High

Outputs

On/Off

Off

Back Only Heat Indicator

Outputs

On/Off

Off