Frequently Asked Questions

What is the first thing to check when the check engine light comes on in a 2025 Toyota Highlander Hybrid?

• Check the gas cap for a tight seal; a loose cap is the most common and simplest cause.
• Look for any dashboard messages or secondary warning lights that could indicate hybrid system alerts or low fuel.
• Note symptoms (noise, loss of power, flashing light) and avoid heavy loads or towing if the vehicle feels abnormal.
• Bring the vehicle to Toyota of Greenville for a prompt scan — our factory-trained technicians diagnose quickly and help avoid costly downstream repairs.
• Remember: repairs covered under warranty must be performed at a certified dealership to preserve coverage and ensure long-term savings.

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

• Diagnostic scan fees at our dealership are competitively priced and often lower than independent shops when you consider long-term value.
• A standard computer diagnostic typically ranges from a modest flat fee to a slightly higher amount depending on complexity; exact pricing is provided up front.
• If you choose to repair with Toyota of Greenville, diagnostic fees are frequently applied toward the repair, increasing your immediate savings.
• Factory-trained technicians and genuine Toyota parts help reduce repeat visits and deliver greater long-term savings.
• Warranty repairs must be completed at a certified dealership to maintain coverage and maximize overall value.

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

• It indicates the vehicle’s onboard computer has detected an emissions, engine, or hybrid-drive issue that needs diagnosing.
• Common triggers include an EV/hybrid system fault, oxygen sensor, catalytic converter, or an emissions system leak.
• Some causes are minor (e.g., loose gas cap) while others impact performance and fuel economy; proper diagnosis determines urgency.
• Taking the Highlander Hybrid to Toyota of Greenville ensures accurate codes reading by technicians trained on Toyota hybrid systems and helps avoid costly mistakes.
• If the issue is covered by warranty, repairs must be done at a certified dealership to protect your coverage and provide long-term savings.

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

• Loose or damaged gas cap—this is the single most frequent and easy-to-fix cause affecting the evaporative emissions system.
• Faulty oxygen sensors or catalytic converter issues can follow if small problems are left unaddressed, reducing fuel economy and causing higher emissions.
• Evaporative system leaks and sensor failures are common and should be diagnosed promptly to avoid larger repair bills.
• Our dealership’s hybrid-trained technicians identify root causes quickly and often deliver lower total ownership costs than independent shops by preventing repeat work.
• Any warranty-covered repair should be completed at a certified Toyota dealership to ensure coverage and long-term protection.

How long does a check engine light service take?

• Basic diagnostic scans are commonly completed within 30–90 minutes, depending on queue and complexity.
• Simple fixes (tightening a gas cap, replacing a sensor) can often be completed the same day; more complex repairs may require parts ordering.
• Hybrid-related diagnostics sometimes take longer because of safety protocols and additional system checks; we prioritize thorough, safe service.
• Toyota of Greenville’s efficient processes and factory training mean quicker, more accurate repairs and lower long-term costs than piecemeal work.
• For warranty repairs, scheduling at a certified dealership is required to preserve coverage and ensure the repair is completed correctly.