Check Engine Light
Dallas, GA

Check Engine Light Diagnostics in Dallas, GA

Is your check engine light on? Don’t ignore it. At B12 Complete Automotive in Dallas, GA, we provide fast, accurate check engine light diagnostics using state-of-the-art scan tools and expert-level knowledge. Whether it's a simple sensor issue or something more serious, our ASE-certified technicians will find the problem and guide you through your options.

REQUEST SERVICE 770.505.7711

Check Engine Light Icon

Engine Light On? Let Us Diagnose It

A glowing check engine light doesn’t have to mean panic. At B12 Complete Automotive, we use advanced diagnostics to pinpoint the cause and help you understand what’s going on. From emissions problems and faulty sensors to misfires or serious drivability issues—we’ve got the tools and experience to fix it right.

  • ✔ Check engine light diagnostics
  • ✔ Full OBD-II scan and troubleshooting
  • ✔ Engine misfire diagnostics
  • ✔ Sensor and module testing
  • ✔ Emissions-related repairs
  • ✔ Catalytic converter and O2 sensor diagnostics
  • ✔ Reset and retest services

Why Choose B12 for Engine Diagnostics?

  • ✅ ASE-Certified Technicians – Trained to diagnose today’s complex systems
  • ✅ Advanced Scan Tools – Dealer-level equipment for accurate readings
  • ✅ Transparent Diagnostics – We explain what the code means and what to do next
  • ✅ Fast Turnaround – Most diagnostics completed same day
  • ✅ No Guesswork – We test, confirm, and fix what matters

Check Engine Light Diagnostics Near You

Serving Dallas, GA and the surrounding areas including Hiram and Paulding County, our shop makes diagnostics fast and easy. Don’t waste time at a dealership—get answers from trusted local pros at B12.

770.505.7711
B12 Complete Automotive Shop

Check Engine Light FAQs

The check engine light indicates that your car's computer has detected a problem with the emissions, fuel, ignition, or engine system. It can range from a loose gas cap to serious engine trouble.

If the light is solid and the car drives normally, it's typically safe to drive short distances. If it's flashing or performance is affected, stop immediately and get it checked—this could prevent costly damage.

Diagnostic fees vary, but at B12 Complete Automotive we offer affordable scan and troubleshooting rates—and apply them toward the cost of the repair when possible.

Yes. After the issue is repaired, we’ll clear the code and verify with test drives and scans that the issue has been resolved. If the light comes back on, we’ll recheck it at no charge.

Most diagnostics can be completed the same day. Call ahead at 770-505-7711 to schedule and confirm availability.

Schedule Check Engine Light Service Today

Don’t wait on warning lights—get the answers you need today. B12 Complete Automotive is your trusted source for check engine light diagnostics in Dallas, GA. Fast, honest, and accurate diagnostics by experts who care.

REQUEST SERVICE 770.505.7711