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 MANUALSCHEVROLET2025TRAILBLAZER ACTIV, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESPROGRAMMING AND SETUP - ALL SYSTEMSREPAIR INSTRUCTIONSK36 INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE: CONFIGURE NEW MODULEDIAGNOSTIC INSTRUCTIONS
2025 Chevrolet Trailblazer ACTIV, FWD
Diagnostic Instructions
2025 Chevrolet Trailblazer ACTIV, FWDSECTION Diagnostic Instructions
- Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
- Review Strategy Based Diagnosis for an overview of the diagnostic approach.
- Diagnostic Procedure Instructions provides an overview of each diagnostic category.
- Using the scan tool, select K36 Inflatable Restraint Sensing and Diagnostic Module.
- Select Configuration/Reset Functions.
- Select Configure New Module and follow the on-screen instructions.
- If any setup inhibit resents are present, they will be identified on the scan tool. Refer to the reference information below for the inhibit reason and correct as necessary.
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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.