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.
2025 Chevrolet Trailblazer RS, 4WDFACTORY OEM SERVICE PROCEDURE
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 |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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