Scan Tool Data List

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Body Control Module (BCM) Scan Tool Data List

Scan Tool Parameter	Data List	Units Displayed	Typical Data Value
Ignition ON/Engine OFF/Vehicle in PARK/Headlamps in AUTO
Auto Learn Timer	Security Data	Seconds	0-600
Battery Voltage	Data	Volts	Varies
Content Theft Lamp	Security Data	ON/OFF	OFF
Content Theft State	Security Data	ON/OFF	OFF
Door Unlock Switch	Inputs	ACTIVE/INACTIVE	ACTIVE
Driver Door Ajar Switch	Inputs	ACTIVE/INACTIVE	ACTIVE (door open)
Ignition 1	Inputs	ACTIVE/INACTIVE	ACTIVE
Ignition 3	Inputs	ACTIVE/INACTIVE	ACTIVE
Module Part Number	ID Information	Numeric	Varies
Passlock Code	Security Data	Open/Short/Tamper/Numeric	Valid Code 1-10
Passlock Data Voltage	Security Data	Volts	0.86-5 Volts
Passlock Ignition Cycles	Security Data	Cycles	Varies
Passlock Power	Security Data	On/Off	On
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 Calibration Number	ID Information	Numeric	Varies
Security Lamp State	Security Data	ON/OFF/FLASHING	OFF
Security Suffix	ID Information	Two Letters	Varies
Seed and Key Timer	Security Data	Seconds	0 Seconds
Tamper Timer	Security Data	Seconds	0-600

Powertrain Control Module (PCM) Scan Tool Data List

Scan Tool Parameter	Data List	Units Displayed	Typical Data Value
Ignition ON/Engine OFF/Vehicle in PARK/Headlamps in AUTO
PCM/VCM in VTD Fail Enable	Engine Data 1	Yes/No	No
VTD Auto Learn Timer	Engine Data 1	Active/Inactive	Inactive
VTD Fuel Disable	Engine Data 1	Active/Inactive	Inactive
VTD Fuel Disable Until Ign. OFF	Engine Data 1	Yes/No	No