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 MANUALSCHEVROLET2019TRAX PREMIER, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 96 (SUNROOF SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B3697CIRCUIT/SYSTEM VERIFICATION
2019 Chevrolet Trax Premier, AWD
Circuit/System Verification
2019 Chevrolet Trax Premier, AWDSECTION Circuit/System Verification
WARNING: This page is about a different car, the 2018 Chevrolet Trax and 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON.
- Verify DTC B3697 42 or DTC B3697 4B is not set.
- If DTC B3697 42 or DTC B3697 4B is set
- Calibrate the K61 Sunroof Control Module. Refer to Sunroof/Sunshade Motor Initialization .
- Verify DTC B3697 42 or DTC B3697 4B does not set while operating the sunroof.
- If DTC B3697 42 or DTC B3697 4B sets, replace the K61 Sunroof Control Module.
- Go to next step: If DTC B3697 42 or DTC B3697 4B does not set
- All OK.
- Go to next step: If DTC B3697 42 or DTC B3697 4B is not set
- Verify DTC B3697 00 or DTC B3697 39 is not set
- If DTC B3697 00 or DTC B3697 39 is set, replace the K61 Sunroof Control Module.
- Go to next step: If DTC B3697 00 or DTC B3697 39 is not set
- 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.