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 108 (LIGHTING SYSTEM - DIAGNOSTIC INFORMATION AND PROCEDURES)DIAGNOSTIC INFORMATION AND PROCEDURESFRONT FOG LAMPS MALFUNCTIONCIRCUIT/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, headlamps ON.
- Verify the scan tool Front Fog Lamps Switch parameter changes between Active and Inactive while commanding the front fog lamps ON and OFF with the front fog lamp switch.
- If the parameter does not change
Refer to Front Fog Lamp Switch Malfunction.
- Go to next step: If the parameter changes
- If the parameter does not change
- Verify the front fog lamps turn ON and OFF when commanding the Front Fog Lamps ON and OFF with a scan tool.
- If the front fog lamps do not turn ON and OFF
Refer to Front Fog Lamps Malfunction.
- Go to next step: If the front fog lamps turn ON and OFF
- If the front fog lamps do not turn ON and OFF
- Verify the front fog lamp indicator on the instrument cluster turns ON and OFF while commanding the front fog lamps ON and OFF with the front fog lamp switch.
- If the front fog lamp indicator does not turn ON and OFF
Refer to Front Fog Lamp Indicator Malfunction.
- Go to next step: If the front fog lamp indicator turns ON and OFF
- If the front fog lamp indicator 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.