GM Service Manual Online
For 1990-2009 cars only

Passlock Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Vehicle in PARK

Auto Learn Timer

Passlock/Data

Seconds

0-600

Battery Voltage

Passlock/Data

Volts

Varies

Ignition 1

Passlock/Data

ACTIVE/INACTIVE

ACTIVE

Passlock™ Code

Passlock/Data

Open/Short/Tamper/Numeric

Valid Code 1-10

Passlock™ Data Voltage

Passlock/Data

Volts

0.86-5.0 Volts

Passlock™ Power

Passlock/Data

ACTIVE/INACTIVE

ACTIVE

Passlock™ State

Passlock/Data

Ignition Off/Tamper/Fail Enable/Fail Enable Dec/Seedkey Lrn Pend/Seedkey Learn/Auto Learn Pend/Learn Passlock/Monitor Passlock/Normal Decision/Auto Learn

Monitor Passlock™

Security Lamp Feedback

Passlock/Data

Volts

9-11 Volts

Security Lamp State

Passlock/Data

ON/OFF/FLASHING

OFF

Tamper Timer

Passlock/Data

Seconds

0-600