GM Service Manual Online
For 1990-2009 cars only
Table 1: Memory Seat Module (MSM)
Table 2: Driver Door Switch Assembly (DDSA)
Table 3: Door Module(s)
Table 4: Dash Integration Module (DIM)

Memory Seat Module (MSM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON / Engine OFF

8 Digit GM Part Number

Module Information

Numeric

Varies

Battery Voltage

Data

Volts

Varies

Calibration ID

Module Information

Numeric

Varies

Current

Data

amps

0.5-8.5

Front Vertical Sensor

Sensor Data 1

A/D / Volts

0.0-255 / 0.0-5.0

Horizontal Sensor

Sensor Data 1

A/D / Volts

0.0-255 / 0.0-5.0

Lumbar Horizontal Sensor

Sensor Data 2

A/D / Volts

0.0-255 / 0.0-5.0

Lumbar Vertical Sensor

Sensor Data 2

A/D / Volts

0.0-255 / 0.0-5.0

PROM ID

Module Information

Numeric

Varies

Rear Vertical Sensor

Sensor Data 1

A/D / Volts

0.0-255 / 0.0-5.0

Recline Sensor

Sensor Data 1

A/D / Volts

0.0-255 / 0.0-5.0

Seat Forward

Inputs and Outputs

Active / Inactive

Inactive

Seat Front Down

Inputs and Outputs

Active / Inactive

Inactive

Seat Front Up

Inputs and Outputs

Active / Inactive

Inactive

Seat Lumbar Down

Inputs and Outputs

Active / Inactive

Inactive

Seat Lumbar Forward

Inputs and Outputs

Active / Inactive

Inactive

Seat Lumbar Rearward

Inputs and Outputs

Active / Inactive

Inactive

Seat Lumbar Up

Inputs and Outputs

Active / Inactive

Inactive

Seat Rearward

Inputs and Outputs

Active / Inactive

Inactive

Seat Rear Down

Inputs and Outputs

Active / Inactive

Inactive

Seat Rear Up

Inputs and Outputs

Active / Inactive

Inactive

Seat Recline Forward

Inputs and Outputs

Active / Inactive

Inactive

Seat Recline Rearward

Inputs and Outputs

Active / Inactive

Inactive

Driver Door Switch Assembly (DDSA)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON / Engine OFF

8 Digit GM Part Number

Module Information 2

Numeric

Varies

Battery Voltage

Data

Volts

Varies

Calibration ID

Module Information 1

Numeric

Varies

Julian Date of Build

Module Information 1

Numeric

Varies

Memory Recall Switches

Inputs

Memory 1

Memory 2

Exit

Set

Idle

Idle

PROM ID

Module Information 1

Numeric

Varies

Year Module Built

Module Information 1

Numeric

Varies

Door Module(s)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON / Engine OFF

8 Digit GM Part Number

Module Information 2

Numeric

Varies

Battery Voltage

Data

Volts

Varies

Hardware Level

Module Information 1

Numeric

Varies

Heated Seat LED

Outputs

Back - High / MED / Low

Idle

Heated Seat Mode

Inputs / Outputs

OFF / ON

OFF

Heated Seat Temperature

Inputs / Outputs

OFF / ON

OFF

Julian date of Build

Module Information 1

Numeric

Varies

Module ID

Inputs

Numeric

Varies

Software Level

Module Information 1

Numeric

Varies

Year Module Built

Module Information 1

Numeric

Varies

Dash Integration Module (DIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON / Engine OFF

8 Digit GM Part Number

Module Information 2

Numeric

Varies

Battery Voltage

Data

Volts

Varies

Calibration ID

Module Information 1

Numeric

Varies

Julian Date of Build

Module Information 1

Numeric

Varies

Personalization Option

Set Options

(*) Activate / Deactivate

(*) Activate

PROM ID

Module Information 1

Numeric

Varies

Year Module Built

Module Information 1

Numeric

Varies