Frequently Asked Questions

What is the first thing to check when the check engine light comes on in a 2026 Toyota Grand Highlander Hybrid?

• Check for obvious signs: loose or missing gas cap can trigger an EVAP code; tighten the cap and recheck the light.
• Look for dashboard alerts related to hybrid systems or battery warnings that may accompany the light.
• Note any recent fueling, unusual noises, loss of power, or fluid leaks to share with our technicians.
• If the vehicle is under warranty, remember any covered repairs must be performed at a certified dealership to preserve coverage.
• For a confident, accurate diagnosis and potential immediate savings over many independent shops, bring your vehicle to Toyota of Greenville for factory-trained service.

How long does a check engine light service take?

• Most diagnostic appointments begin with a computer scan and visual inspection and typically take 30–90 minutes.
• If additional testing or parts are required, repairs can extend to a few hours or a day depending on availability and complexity.
• Hybrid-specific or high-voltage system work may require extra safety protocols and specialized equipment, which our factory-trained technicians provide efficiently.
• Choosing Toyota of Greenville often saves time and money long-term—our accurate diagnostics reduce repeat visits and help avoid costly downstream damage.
• We can advise on expected timing when you schedule online or call our service center and will prioritize warranty-covered work performed at our certified dealership.

How much does a check engine light diagnostic cost for a 2026 Toyota Grand Highlander Hybrid?

• Diagnostic fees vary, but Toyota of Greenville offers competitive, transparent pricing and frequent service specials to lower your out-of-pocket cost.
• Many initial scans are inexpensive or complimentary with certain promotions; full diagnostics that include road tests and component checks may be higher.
• Choosing our dealership often costs less than independent shops when you factor in accurate diagnosis, genuine parts, and long-term savings from proper repairs.
• Warranty-covered diagnostics and repairs must be done at a certified dealership—this protects your coverage and saves you money over time.
• Contact our service department or visit our Service Specials page to learn current offers and exact pricing for your vehicle.

What is the most common reason for check engine light on a 2026 Toyota Grand Highlander Hybrid?

• Common causes include oxygen sensor failures, EVAP system leaks (like a loose gas cap), ignition misfires, or catalytic converter efficiency issues.
• Hybrid-related sensors and battery system alerts can also trigger the light; these require hybrid-aware diagnostics that our dealership provides.
• Ignoring these warnings can reduce fuel economy, increase emissions, and cause more expensive damage later, like catalytic converter failure.
• Prompt service at Toyota of Greenville uses factory tools and genuine parts to ensure accurate repair and long-term savings over repeat or incorrect fixes.
• Remember: repairs covered under warranty must be completed at a certified dealership to remain eligible.

What does it mean when the check engine light comes on in a 2026 Toyota Grand Highlander Hybrid?

• The light is a general warning that the vehicle’s computer has detected a condition affecting emissions, engine performance, or hybrid systems.
• It can indicate minor issues like a loose gas cap or more serious faults such as misfires, sensor failures, or hybrid component alerts.
• A flashing check engine light usually signals a severe problem—stop driving and have the vehicle inspected immediately to prevent further damage.
• Bringing your Grand Highlander Hybrid to Toyota of Greenville ensures a precise diagnosis by factory-trained technicians who follow manufacturer procedures.
• Using our service preserves warranty rights for covered repairs and often delivers immediate and long-term savings versus repeated independent repairs.