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 92 (DRIVER ASSISTANCE SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B0987CIRCUIT/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 / Vehicle - In Service Mode
- Verify DTC B356A is not set.
- If the DTC is set
Refer to:DTC B356A
- Go to next step: If the DTC is not set
- If the DTC is set
- Verify the component turns On and Off:Lane Departure Warning Indicator
- Lane Departure Warning Switch
- If the component does not turn On and Off
Refer to Circuit/System Testing .
- Go to next step: If the component turns On and Off
- If the component does not turn On and Off
- 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.