GM Service Manual Online
For 1990-2009 cars only
Table 1: Driver Position Module (DPM)
Table 2: Driver Door Switch

Driver Position Module (DPM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF

Battery Voltage Signal

Inputs

Volts

Varies

Current

Inputs

amps

Varies

Driver Seat Front Vertical Sensor

Sensor Data

Volts

0.0-5.0

Driver Seat Horizontal Sensor

Sensor Data

Volts

0.0-5.0

Driver Seat Rear Vertical Sensor

Sensor Data

Volts

0.0-5.0

Front Vertical Downward Switch

Inputs

Active/Inactive

Inactive

Front Vertical Motor Downward

Outputs

Active/Inactive

Inactive

Front Vertical Motor Upward

Outputs

Active/Inactive

Inactive

Front Vertical Upward Switch

Inputs

Active/Inactive

Inactive

Horizontal Forward Switch

Inputs

Active/Inactive

Inactive

Horizontal Motor Forward

Outputs

Active/Inactive

Inactive

Horizontal Motor Rearward

Outputs

Active/Inactive

Inactive

Horizontal Rearward Switch

Inputs

Active/Inactive

Inactive

Horizontal Value

Memory Data 1

Volts

0.0-5.0

Horizontal Value

Memory Data 2

Volts

0.0-5.0

Memory 1 Select Switch

Inputs

Active/Inactive

Inactive

Memory 2 Select Switch

Inputs

Active/Inactive

Inactive

Rear Vertical Downward Switch

Inputs

Active/Inactive

Inactive

Rear Vertical Motor Downward

Outputs

Active/Inactive

Inactive

Rear Vertical Motor Upward

Outputs

Active/Inactive

Inactive

Rear Vertical Upward Switch

Inputs

Active/Inactive

Inactive

Seat Front Vertical Exit Position

Memory Data Default

Volts

5.0 Volts

Seat Front Vertical Exit Position

Memory Data 1

Volts

0.0-5.0

Seat Front Vertical Exit Position

Memory Data 2

Volts

0.0-5.0

Seat Front Vertical Position

Memory Data 1

Volts

0.0-5.0

Seat Front Vertical Position

Memory Data 2

Volts

0.0-5.0

Seat Horizontal Exit Position

Memory Data Default

Volts

5.0 Volts

Seat Horizontal Exit Position

Memory Data 1

Volts

0.0-5.0

Seat Horizontal Exit Position

Memory Data 2

Volts

0.0-5.0

Seat Rear Vertical Exit Position

Memory Data Default

Volts

5.0 Volts

Seat Rear Vertical Exit Position

Memory Data 1

Volts

0.0-5.0

Seat Rear Vertical Exit Position

Memory Data 2

Volts

0.0-5.0

Seat Rear Vertical Position

Memory Data 1

Volts

0.0-5.0

Seat Rear Vertical Position

Memory Data 2

Volts

0.0-5.0

Driver Door Switch

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF

Memory Switch

Data Display

Idle/Memory1/Memory2/Exit

Idle