GM Service Manual Online
For 1990-2009 cars only

Passlock Module

Ignition ON/Engine OFF/Vehicle in PARK

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Auto Learn Timer

Security Data

Seconds

0-600

Battery Voltage

Security Data

Volts

Varies

Ignition 1

Security Data

ACTIVE/INACTIVE

ACTIVE

Ignition 3

Security Data

ACTIVE/INACTIVE

ACTIVE

Passlock Code

Security Data

Open/Short/Tamper/Numeric

Valid Code 1-10

Passlock Data Voltage

Security Data

Volts

0.86-4.28 Volts

Passlock Power

Security Data

ACTIVE/INACTIVE

ACTIVE

Passlock State

Security 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

Security Data

Volts

9-11 Volts

Security Lamp State

Security Data

ON/OFF/FLASHING

OFF

Tamper Timer

Security Data

Seconds

0-600