Special Tools

2025 Chevrolet Trailblazer ACTIV, 4WDSECTION Special Tools
Illustration Tool Number/Description
GM1493952Courtesy of GENERAL MOTORS COMPANY
EL 46079
Tire Pressure Monitor Diagnostic Tool
GM2191416Courtesy of GENERAL MOTORS COMPANY
EL 47955
Multi Diagnostic Interface (MDI)
GM2563769Courtesy of GENERAL MOTORS COMPANY
EL 50448
Tire Pressure Monitor Sensor Activation Tool
GM5443144Courtesy of GENERAL MOTORS COMPANY
EL 52100
Multi Diagnostic Interface 2 (MDI 2)
GM5331982Courtesy of GENERAL MOTORS COMPANY
EL 52545
Tire Pressure Monitor Sensor and RF Diagnostic Tool
RENDER: 1.0x

NO RELATED

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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.