Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2004TAHOE 4WD V8-4.8L VIN VREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTGLOBAL POSITIONING SYSTEMTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL DATA DEFINITIONS (GEN 6)
2004 Chevrolet Tahoe 4WD V8-4.8L VIN V
Scan Tool Data Definitions (Gen 6)
2004 Chevrolet Tahoe 4WD V8-4.8L VIN VSECTION Scan Tool Data Definitions (Gen 6)
SCAN TOOL DATA DEFINITIONS (GEN 6)
8-Digit GM Part Number: This displays the part number for the VCIM.
Component Serial Number 13-16: This is the third partition of the serial number.
Date: This is the date as synchronized with GPS satellites.
Electronic Serial Number: This is the electronic serial number stored in the VCIM which is used by the OnStar(R) Call Center.
GPS Signal: This displays the status of a received GPS signal.
Julian Date of Build: This displays the day of the year the module was built.
Module I.D.: This displays the version of OnStar(R) which the vehicle is equipped with.
Signal Strength: This displays a calculated value for cellular reception signal strength. A higher number indicates a stronger signal.
Signal Type: This displays whether the Generation 6 OnStar(R) VCIM is currently operating in a digital or analog market.
Software I.D.: This displays the 3-digit number of the software version used on the OnStar(R) VCIM.
Time: This displays the time as synchronized with GPS Satellites.
Transceiver ID: This displays the ID number of the cellular tower that the OnStar(R) VCIM is using for cellular signal.
VCI Module Station I.D.: This is the station identification number stored in the VCIM which is used by the OnStar(R) Call Center.
Year Module Build: This displays the year the module was built.
8-Digit GM Part Number: This displays the part number for the VCIM.
Component Serial Number 13-16: This is the third partition of the serial number.
Date: This is the date as synchronized with GPS satellites.
Electronic Serial Number: This is the electronic serial number stored in the VCIM which is used by the OnStar(R) Call Center.
GPS Signal: This displays the status of a received GPS signal.
Julian Date of Build: This displays the day of the year the module was built.
Module I.D.: This displays the version of OnStar(R) which the vehicle is equipped with.
Signal Strength: This displays a calculated value for cellular reception signal strength. A higher number indicates a stronger signal.
Signal Type: This displays whether the Generation 6 OnStar(R) VCIM is currently operating in a digital or analog market.
Software I.D.: This displays the 3-digit number of the software version used on the OnStar(R) VCIM.
Time: This displays the time as synchronized with GPS Satellites.
Transceiver ID: This displays the ID number of the cellular tower that the OnStar(R) VCIM is using for cellular signal.
VCI Module Station I.D.: This is the station identification number stored in the VCIM which is used by the OnStar(R) Call Center.
Year Module Build: This displays the year the module was built.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.