GM Service Manual Online
For 1990-2009 cars only

Module Information

Ignition Switch in the RUN position/Vehicle in PARK/Headlamps in AUTO Position

Scan Tool Parameter

Units Displayed

Typical Data Value

Manufacturers Enable Counter

0-255

0

Module Part Number

NUMERIC

16XXXXXX (Varies with Vehicle)

Security Calibration Number

NUMERIC

16XXXXXX (Varies with Vehicle)

Security Suffix

2 Letters

AA-ZZ (Varies with Vehicle)

Data

Ignition Switch in the RUN position/Vehicle in PARK/Headlamps in AUTO position

Scan Tool Parameter

Units Displayed

Typical Data Value

Auto Learn Timer

SECONDS

0-600 Seconds

Battery Voltage

Volts

9.0-16.0 Volts (Varies)

Ignition 1

ACTIVE/INACTIVE

ACTIVE

Ignition 3

ACTIVE/INACTIVE

ACTIVE

Passlock™ Code

Open/Short/Tamper/Numeric

Valid Code XX

Passlock™ Data Voltage

Volts

0.86-4.28 Volts - Typical

Passlock™ Power

ACTIVE/INACTIVE

ACTIVE

Passlock™ State

Ignition OFF/Tamper/Fail Enable/Fail Enable Dec/Seedkey Lrn Pend/Learn Passlock™/Monitor Passlock™/Normal Decision

Monitor Passlock™

Security Lamp State

ON/OFF/FLASHING

OFF

Tamper Timer

SECONDS

0-6 Seconds

VCM/PCM Fail Enable

YES/NO

NO

VCM/PCM Fuel Continue

YES/NO

YES

VCM/PCM Learn Timer

ACTIVE/INACTIVE

INACTIVE

VTD Fuel Disable

ACTIVE/INACTIVE

INACTIVE

VTD Fuel Disable Until Ign OFF

YES/NO

NO

VTD Password Learn Mode

ACTIVE/INACTIVE

INACTIVE