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Why are the traction control and ABS warning lights illuminated in my 2011 GMC Sierra?
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3 answers
★ Top Answer
Common reasons for the ABS and traction control lights coming on in a 2011 GMC Sierra include a malfunctioning wheel sensor, a faulty ABS module, or low brake fluid levels. To troubleshoot, start by checking the brake fluid levels by inspecting the reservoir under the hood. Using an OBD diagnostic tool is the next step to identify the specific error code. If you don't own one, you can borrow or rent it from a local auto-parts store. Costs for repairs can vary between $200 and $500, depending on the required parts and labor.
More answers
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If the traction control and ABS lights are illuminated on a 2011 GMC Sierra, it indicates issues with the wheel sensor.
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The auto shop changed out my speed sensor or wheel sensor, but it didn't resolve the issue with my low brake fluid levels.
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