Frequently Asked Questions

What does it mean when the check engine light comes on in a 2025 Toyota Tundra?

• It signals that the vehicle’s onboard diagnostics (OBD-II) has detected a fault. Issues range from minor (loose gas cap, battery voltage irregularities) to serious (emissions, fuel, or catalyst failures).
• At Larry H. Miller Toyota Peoria our certified technicians use OEM-grade scanners to read codes and recommend repairs that preserve performance and resale value.
• We emphasize clear pricing and the immediate and long-term savings of prompt service — correcting problems early often avoids larger repairs later and can cost less than independent shops while delivering factory-trained expertise.
• All warranty-covered repairs must be performed at a certified dealership to maintain coverage and parts integrity.
• To get a fast, accurate diagnosis, schedule service online or check our service specials for current offers.

How long does a check engine light service take?

• Typical diagnostics take 30–90 minutes depending on code complexity and whether further testing is needed; simple resets or quick fixes can often be done the same day.
• If parts or deeper diagnostics are required (battery testing or turbocharger sensors on a 2025 Toyota Tundra), we’ll provide a clear timeline and cost estimate up front.
• Larry H. Miller Toyota Peoria focuses on efficient service flow—OEM parts, dedicated bays, and certified techs to minimize downtime while protecting long-term value.
• We offer service financing so you can get necessary repairs now and pay later; ask our service advisors about options when you schedule appointment.
• Explore our current discounts before you arrive via service specials.

How much does a check engine light diagnostic cost for a 2025 Toyota Tundra?

• Diagnostic fees vary by repair complexity. At Larry H. Miller Toyota Peoria we offer transparent pricing and competitive diagnostic rates and often cost less than independent shops while providing factory-trained technicians and OEM parts.
• Paying for a proper dealer diagnosis provides immediate savings by identifying the true cause quickly, and long-term savings by preventing unnecessary part replacement and avoiding cascading failures.
• If repairs are required, we’ll provide an itemized estimate, show the related codes, and explain warranty coverage; repairs covered under warranty must be completed at a certified dealership to preserve coverage.
• We accept service financing to help you start repairs immediately — ask an advisor when you schedule service. Check available offers on our service specials.

What is the most common reason for check engine light on a 2025 Toyota Tundra?

• Common causes include loose or faulty gas cap, oxygen sensor, catalytic converter issues, or mass airflow sensor faults; on modern turbocharged engines it can also be related to sensor signals tied to forced-induction systems.
• Battery health and charging system irregularities can trigger codes or cause misreads—our battery testing and replacement services are tailored to the 2025 Toyota Tundra’s electrical demands.
• Larry H. Miller Toyota Peoria uses OEM diagnostic procedures to pinpoint root causes, helping you avoid replacement of healthy parts and preserving vehicle longevity.
• Schedule a timely inspection via schedule appointment and see available savings in our service specials.

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

• Start with visible and simple checks: confirm the gas cap is tightened, look for obvious fluid leaks, and note any changes in performance or warning lights.
• Battery voltage and connections are a quick next step—low or inconsistent battery output can create false codes; our battery inspection and replacement services are designed for the 2025 Toyota Tundra’s twin-turbo system and higher electrical load.
• For accuracy and warranty protection, bring the vehicle to Larry H. Miller Toyota Peoria where certified technicians will perform OEM diagnostics and recommend the most cost-effective repairs, often saving you money versus independent shops over the long run.
• Book an expert evaluation now by schedule service and check current promotions on our service specials.