2005 Pontiac Aztek Base, FWDFACTORY OEM SERVICE PROCEDURE

Scan Tool Data Definitions

WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
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.

Electronic Serial Number

This is the electronic serial number stored in the VCIM which is used by the OnStar® Call Center.

Julian Date of Build

This displays the day of the year the module was built.

Module I.D.

This displays the version of OnStar® which the vehicle is equipped with.

Software I.D.

This displays the 3-digit number of the software version used on the OnStar VCIM.

VCI Module Station I.D.

This is the station identification number stored in the VCIM which is used by the OnStar® Call Center.

Year Module Build

This displays the year the module was built.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.