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

Operating Conditions: Engine Running

Battery Voltage

Input/Output

Volts

12-14

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

Drvr. Seat Heat Sensor

Sensor Data

Volts

0.0-5.0

Psgr. Seat Heat Sensor

Sensor 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

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

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