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.
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 that 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 that DTC B0987 is not set.
- If the DTC is set
Refer to DTC B0987 .
- Go to next step: If the DTC is not set
- If the DTC is set
- Verify the scan tool Frontview Camera System Status parameter is Normal.
- If the parameter is Undefined or Malfunction
Refer to Diagnostic Aids .
- Go to next step: If the parameter is Normal
- If the parameter is Undefined or Malfunction
- Verify the scan tool Lane Departure Warning Switch Status parameter changes between Active and Inactive when pressing the lane departure warning switch.
- If the parameter does not change between Active and Inactive
Refer to DTC B356A .
- Go to next step: If the parameter changes between Active and Inactive
- If the parameter does not change between Active and Inactive
- Verify the scan tool Lane Departure Warning Indicator turns ON and OFF when commanding the Lane Departure Warning Indicator On and Off with a scan tool.
- If the indicator does not turn on and off
Refer to DTC B0987 .
- Go to next step: If the indicator turns on and off
- If the indicator does not turn on and off
- All OK.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.