GM Service Manual Online
For 1990-2009 cars only
Table 1: BCM Scan Tool Data List
Table 2: DPM Scan Tool Data List
Table 3: IPC Scan Tool Data List

BCM Scan Tool Data List

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Column Lock Relay Command

The body control module

On/Off

On

Column Lock Relay Signal

The body control module

On/Off

On

Battery Voltage Signal

Load Management

Volts

12.6

Telescope Forward Switch

Inputs

Active/Inactive

Inactive

Telescope Rearward Switch

Inputs

Active/Inactive

Inactive

Tilt Down Switch

Inputs

Active/Inactive

Inactive

Tilt Up Switch

inputs

Active/Inactive

Inactive


DPM Scan Tool Data List

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Default Telescope Exit Position

Telescope Sensor

Volts

3.76V

Default Tilt Exit Position

Tilt Sensor

Volts

3.76V

Memory Position - Driver 1

Telescope Sensor

Volts

Varies

Memory Position - Driver 1

Tilt Sensor

Volts

Varies

Memory Position - Driver 2

Telescope Sensor

Volts

Varies

Memory Position - Driver 2

Tilt Sensor

Volts

Varies

Memory 1 Telescope Exit Position

Telescope Sensor

Volts

Varies

Memory 1 Tilt Exit Position

Tilt Sensor

Volts

Varies

Memory 2 Telescope Exit Position

Telescope Sensor

Volts

Varies

Memory 2 Tilt Exit Position

Tilt Sensor

Volts

Varies

Telescope Forward Command

Telescope Sensor

On/Off

Off

Telescope Rearward Command

Telescope Sensor

On/Off

Off

Telescope Sensor

Telescope Sensor

Volt/Counts

0.7-3.2V (45-37 Counts)

Tilt Down Command

Tilt Sensor

On/Off

Off

Tilt Sensor

Tilt Sensor

Volt/Counts

1.6-4.2V (88-207 Counts)

Tilt Up Command

Tilt Sensor

On/Off

Off


IPC Scan Tool Data List

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Turn the Ignition ON, with the Engine OFF

Battery Voltage Signal

Instrument Panel Cluster (IPC)

Volts

12.6 V

Column Feedback Signal

Instrument Panel Cluster (IPC)

Volts

11.9V

Column Lock Enable Signal

Instrument Panel Cluster (IPC)

Enabled/Disabled

Enabled

Column Lock Module Status

Instrument Panel Cluster (IPC)

Enabled/Disabled

Enabled

Column Lock Motor Command

Instrument Panel Cluster (IPC)

Lock/Unlock/Idle/Invalid

Unlock

Column Lock Motor Status

Instrument Panel Cluster (IPC)

Lock/Unlock/Idle/Invalid

Idle

Column Lock Status

Instrument Panel Cluster (IPC)

Varies

Unlocked

Ignition Voltage Signal

Instrument Panel Cluster (IPC)

On/Off

On

Park Switch

Instrument Panel Cluster (IPC)

On/Off

On

Password Status

Instrument Panel Cluster (IPC)

Valid/Invalid/Not Programmed

Valid

Telescope Forward Switch

Instrument Panel Cluster (IPC)

Active/Inactive

Inactive

Telescope Rearward Switch

Instrument Panel Cluster (IPC)

Active/Inactive

Inactive

Tilt Down Switch

Instrument Panel Cluster (IPC)

Active/Inactive

Inactive

Tilt Up Switch

Instrument Panel Cluster (IPC)

Active/Inactive

Inactive