GM Service Manual Online
For 1990-2009 cars only

Liftgate Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Off

8 Digit GM Part Number

Module Information 3

Numerical

XXXXXXXX

Base Model Part Number

Module Information 2

Numerical

XXXXXXXX

Battery Voltage

Data

Volts

12.8 Volts

Boot S/W Part No.

Module Information 1

Numerical

XXXXXXXX

Boot S/W Suffix

Module Information 1

Alpha

XX

Calibration S/W Part No.

Module Information 2

Numerical

XXXXXXXX

Calibration S/W Suffix

Module Information 2

Alpha

XX

Ign. Since Current DTC

Data

Cycles

Varies

Julian Date of Build

Module Information 3

Numerical

XXXX

Liftgate Ajar Switch

Data

Closed/Ajar

Closed

Liftgate Unlock Switch

Data

Active/Inactive

Inactive

Lift Glass Ajar Switch

Data

Closed/Ajar

Closed

Lock Command

Data

Unlock/Lock

Unlock

Operational S/W Part No.

Module Information 1

Numerical

XXXXXXXX

Operational S/W Suffix

Module Information 1

Alpha

XX

Requested Lock/Unlock

Data

Idle/Lock/Unlock

Idle

Year Module Built

Module Information 3

Numerical

XXXX

Endgate Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine Off

8 Digit GM Part Number

Module Information 1

Numerical

XXXXXXXX

Battery Voltage

Data

Volts

12.8 Volts

Current Power Mode

Data

Off Awake/Retained Accessory Power/Accessory/Run/Crank

Off Awake

Drop Latch Switch

Input/Output

Active/Inactive

Inactive

Endgate Key Cylinder

Input/Output

Idle/Close/Open

Idle

Endgate Window Pos. 1

Input/Output

Counts

Varies

Endgate Window Pos. 2

Input/Output

Counts

Varies

Ign. Since Current DTC

Data

Cycles

Varies

Julian Date of Build

Module Information 1

Numerical

XXXX

Learned Window Closed Position

Input/Output

Counts

Varies

Learned Window Open Position

Input/Output

Counts

Varies

Left Lower Latch

Input/Output

Active/Inactive

Inactive

Left Upper Latch

Input/Output

Active/Inactive

Inactive

Lock Command

Data

Unlock/Lock

Unlock

Lock Command

Input/Output

Unlock/Lock

Unlock

Lower Left Ajar Switch

Input/Output

Closed/Ajar

Closed

Right Upper Latch

Input/Output

Active/Inactive

Inactive

Software Part Number

Module Information 2

Numerical

XXXXXXXX

Software Revision

Module Information 2

Numerical

XX

Swing Latch Switch

Input/Output

Active/Inactive

Inactive

Upper Left Ajar Switch

Input/Output

Closed/Ajar

Closed

Upper Right Ajar Switch

Input/Output

Closed/Ajar

Closed

Window Motor

Input/Output

Idle/Up/Down

Idle

Year Module Built

Module Information 1

Numerical

XXXX