Frequently Asked Questions

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

• Typical diagnostic fees vary by service but most check engine light scans start at a modest fixed rate; any exact estimate will be provided after a hands-on inspection.
• At Nalley Toyota of Roswell, our pricing is competitive — we often cost less than independent shops while delivering factory-trained technicians and OEM parts.
• Using the dealership yields immediate savings through accurate diagnosis and correct repairs, and long-term savings by avoiding repeat visits and premature part failure.
• Remember: warranty-covered repairs must be performed at a certified dealership to preserve coverage and ensure genuine parts are used.

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

• Start with the simple checks: secure the gas cap, confirm proper fuel level, and inspect for obvious smells or leaks.
• Verify basic maintenance items such as oil level and battery condition — sometimes a low battery or oil can trigger related warnings.
• If the light persists, bring your 2025 Toyota Highlander Hybrid to Nalley Toyota of Roswell for a fast scan so factory-trained technicians can read stored codes and recommend the correct repair.
• Addressing issues at our dealership often saves money over time by preventing escalation and protecting warranty coverage when repairs are needed.

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

• The check engine light indicates the vehicle’s computer has detected an out-of-spec condition and stored a diagnostic trouble code describing the issue.
• Codes can range from minor emissions or sensor faults to serious engine or drivetrain problems; a prompt scan identifies severity and next steps.
• Bringing the vehicle to a certified dealer ensures accurate interpretation of codes, OEM diagnostics, and correct repairs by factory-trained technicians.
• Repairing issues at our dealership delivers immediate and long-term savings through precise fixes, genuine parts, and assurance that warranty-covered work is documented and honored.

How long does a check engine light service take?

• Most diagnostic scans take about 30–60 minutes; simple fixes can sometimes be completed the same day, while complex repairs require a longer estimate.
• If parts or in-depth troubleshooting are needed, our team provides a clear timeline and cost estimate before any work begins.
• Choosing Nalley Toyota of Roswell often reduces total time and cost by avoiding incorrect repairs and repeat visits thanks to factory-level diagnostics and expertise.
• Warranty-covered repairs must be performed at a certified dealership, ensuring follow-up and protection without extra administrative steps.

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

• The most frequent causes include a loose or faulty gas cap, an oxygen sensor, evaporative emissions leaks, or a misfire condition.
• Many of these issues are inexpensive to diagnose and repair when addressed quickly; ignoring them can lead to higher repair bills and reduced fuel economy.
• At Nalley Toyota of Roswell, our technicians identify root causes accurately and recommend cost-effective solutions that often save more than independent shops over time.
• Warranty-covered work must be performed at a certified dealership to maintain coverage and ensure genuine parts and documented service records.