Scan Tool Data Definitions: Notes

1999 Chevrolet Cutaway 7.4 JSECTION Notes

The scan tool readings of the Passlock™ system assist in diagnosing a problem. See Figure.

A typical scan tool data definitions represent general information displayed on the scan tool regarding the following information:

  • Passlock™ system functions
  • Ignition inputs
  • Basic Passlock™ operating conditions

The following data messages and the menu headings are displayed on the scan tool.

NOTE: The ignition switch must be in the RUN position and the vehicle in PARK.
RENDER: 1.0x

NO RELATED

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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.