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 & EQUIPMENTCOLLISION/AVOIDANCEDRIVER ASSISTANCE SYSTEMSDIAGNOSTIC INFORMATION AND PROCEDURESDRIVER ASSISTANCE SYSTEMS COMPONENT REPLACEMENT REFERENCE
2025 Chevrolet Trailblazer ACTIV, FWD
Driver Assistance Systems Component Replacement Reference
2025 Chevrolet Trailblazer ACTIV, FWDSECTION Driver Assistance Systems Component Replacement Reference
| Component | Repair Instruction |
|---|---|
| B174W Frontview Camera - Windshield | Control Module References |
| B218L Side Object Sensor Module - Left | Control Module References |
| B218R Side Object Sensor Module - Right | Control Module References |
| E17D Outside Rearview Mirror Glass - Driver | Outside Rearview Mirror Glass Replacement |
| E17P Outside Rearview Mirror Glass - Passenger | Outside Rearview Mirror Glass Replacement |
| P16 Instrument Cluster | Control Module References |
| P43 Collision Alert Indicators | Forward Collision Alert Display Replacement |
| S48E Multifunction Switch - Center Console | Floor Console Accessory Function Switch Replacement |
| S70L Steering Wheel Controls Switch - Left | Cruise Control Switch Replacement |
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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.