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, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASIMAGE DISPLAY CAMERA SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESREAR VISION CAMERA SYSTEM MALFUNCTIONCIRCUIT/SYSTEM VERIFICATION
2025 Chevrolet Trailblazer ACTIV, 4WD
Circuit/System Verification
2025 Chevrolet Trailblazer ACTIV, 4WDSECTION Circuit/System Verification
- Ignition - On / Vehicle - In Service Mode
- Verify P17 Info Display Module displays infotainment system information properly.
- If the component does not work as specified
Refer to: Symptoms - Entertainment .
- Go to next step: If the component works as specified
- If the component does not work as specified
- Verify DTC B2545 is not set
- If the DTC is set
Refer to: DTC B2545 .
- Go to next step: If the DTC is not set
- If the DTC is set
- Inspect the following for debris or dirt: B87 Rearview Camera & Clean the components as necessary.
- Apply the parking brake.
- Engine Running Transmission in Reverse
- Verify the component activates: Backup Lamps
- If the component does not work as specified
Refer to: Backup Lamps Malfunction .
- Go to next step: If the component works as specified
- If the component does not work as specified
- Verify a clear rear vision image is displayed on the component: A11 Radio
- If no clear image is displayed
Refer to Circuit/System Testing.
- Go to next step: If a clear image is displayed
- If no clear image is displayed
- All OK.
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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.