Frequently Asked Questions

What does it mean when the check engine light comes on in a 2020 Chevrolet Traverse?

• It indicates your vehicle’s onboard diagnostics detected an issue — anything from a loose gas cap to an emission or engine system fault. Our certified technicians at Larry H. Miller Chevrolet Murray diagnose the code fast to prioritize safety and long‑term value.
• We use OEM-level scanners and manufacturer procedures so repairs are accurate and covered by warranties. Remember: repairs covered under warranty must be performed at a certified dealership to remain valid.
• Choosing our dealership often costs less than independent shops over time because we avoid repetitive repairs through correct diagnosis, use OEM parts, and provide transparent pricing and documented service history.
• We offer service financing so you can get repairs now and pay later; to book, please schedule service.
• Check current offers before you visit — visit our service specials for discounts and package deals.

How long does a check engine light service take?

• Most diagnostics for a 2020 Chevrolet Traverse are completed within 30–90 minutes, depending on code complexity and test-drive needs; parts or further repairs add time based on availability.
• At Larry H. Miller Chevrolet Murray we prioritize quick turnarounds with accurate results — our certified techs follow factory procedures so repairs are done right the first time, saving you time and money long term.
• We communicate timing and costs up front, and when appropriate offer loaner vehicles, courtesy shuttles, or express service to keep you moving.
• To ensure the fastest appointment, please schedule appointment online or check our service specials before you come in.

How much does a check engine light diagnostic cost for a 2020 Chevrolet Traverse?

• Diagnostic fees vary by issue, but our transparent pricing gives clear next-step options after scanning. We often cost less than independent shops while providing higher-value service from factory-trained technicians.
• We explain immediate and long-term savings: accurate diagnosis avoids unnecessary parts and repeat labor, and OEM parts maintain reliability and resale value.
• If repairs are needed and covered by warranty, those repairs must be done at a certified dealership to keep coverage intact. We also offer service financing to help you move forward without delay.
• Check our latest offers on the service specials page and schedule service online for available appointment times.

What is the most common reason for check engine light on a 2020 Chevrolet Traverse?

• The most frequent causes include loose or faulty gas caps, oxygen sensor faults, catalytic converter issues, mass air flow sensor concerns, and ignition coil or spark plug failures.
• Ignoring these symptoms can reduce fuel economy, increase emissions, and cause further engine damage — timely diagnosis at Larry H. Miller Chevrolet Murray prevents higher repair costs later.
• We use genuine GM parts and dealer-level diagnostics to restore performance and efficiency, and we clearly explain repair costs and long-term benefits before work begins.
• Use our online tools to review current service specials and schedule service at your convenience.

What is the first thing to check when the check engine light comes on?

• Start with simple checks: ensure the gas cap is secure and look for obvious leaks or changes in performance. If the light remains, bring your 2020 Chevrolet Traverse to our technicians for a full scan.
• Our team at Larry H. Miller Chevrolet Murray performs a prioritized diagnostic to identify safety concerns first, then address drivability and emissions items to protect engine life and resale value.
• We provide clear, written estimates, explain warranty implications (repairs under warranty must be done at certified dealerships), and offer financing to help you proceed without delay.
• To get the fastest attention, schedule service online or review current service specials before your visit.

Check Engine Light Flashing

The check engine light flashing on a 2020 Chevrolet Traverse signals a potentially serious misfire or condition that can damage the catalytic converter or other engine components. A flashing light often means the engine is misfiring and unburned fuel is entering the exhaust; continued driving risks costly downstream damage and reduced fuel efficiency. At Larry H. Miller Chevrolet Murray in Murray, UT, our factory-trained technicians prioritize flashing-light diagnostics as a safety and cost-control measure. We run complete engine and emission-system tests, road‑test procedures, and targeted inspections using GM OEM tools to determine root cause quickly. Because prompt dealer-level service prevents cascading failures, customers typically save on parts and labor over time. We back repairs with OEM parts and clear warranty terms — remember, warranty-covered repairs must be performed at a certified dealership. Take advantage of our current service specials and ask about service financing to start repairs immediately. To protect your vehicle and avoid larger bills, schedule service online or contact us for same-day availability.

2020 Chevrolet Traverse Check Engine Light Reset

Resetting the check engine light on a 2020 Chevrolet Traverse without addressing the underlying issue can hide symptoms and lead to costly failures. At Larry H. Miller Chevrolet Murray we explain why a proper diagnostic is the responsible approach: our technicians use OEM diagnostics to read freeze-frame data and pending codes, identify the root cause, and recommend repairs that restore factory performance and emissions compliance. Dealer service offers transparency—detailed reports, genuine GM parts, and warranty protection that independent shops cannot duplicate. If a simple reset is appropriate after repair, we perform it and confirm the repair with a road test. We also highlight immediate and long-term savings from correct repairs: reduced repeat visits, improved fuel economy, and preserved resale value. We make scheduling easy — schedule appointment online — and check our service specials for discounts that lower your up-front cost. Our staff will explain financing options if you prefer to pay over time.

2020 Chevrolet Traverse Check Engine Light Codes

Common check engine light codes on a 2020 Chevrolet Traverse include P0420 (catalytic converter efficiency), P0171/P0174 (fuel trim lean conditions), P0300–P0306 (multiple-cylinder misfires), and O2 sensor codes. Left unaddressed, these codes can cause reduced fuel economy, increased emissions, engine damage, and failed state inspections. At Larry H. Miller Chevrolet Murray in Murray, UT, we provide transparent cost estimates and explain the long-term savings of early repair: for example, fixing an oxygen sensor promptly restores economy and avoids catalytic converter replacement costs. Our certified technicians use GM tools and OEM parts, perform manufacturer-recommended tests, and document repairs in your vehicle’s service history. We’re focused on convenience and trust — online appointment booking, express lanes when available, and clearly communicated timelines. Check our current service specials for savings and schedule service today to keep your 2020 Chevrolet Traverse running reliably and efficiently.