Frequently Asked Questions

What is the most common reason for check engine light on a 2024 Toyota Grand Highlander Hybrid?

• Common causes include misfires, oxygen sensor or catalytic converter faults, EVAP leaks, and mass airflow sensor issues.
• Left unfixed, misfires and sensor failures can damage the catalytic converter — raising repair costs substantially.
• At Toyota of Greenville our factory-trained technicians diagnose the root cause, often saving you money immediately and over time by avoiding secondary failures.
• Warranty-covered repairs must be done at a certified dealership to protect your coverage and ensure OEM parts.

What does it mean when the check engine light comes on in a 2024 Toyota Grand Highlander Hybrid?

• It signals that the vehicle’s onboard computer has detected a system irregularity. Severity ranges from minor (loose gas cap) to serious (engine misfire).
• Diagnostics reveal specific fault codes; quick, accurate diagnosis prevents escalation and higher repair bills.
• Treating the issue at our dealership often costs less than independent shops over time because we fix the true cause and use OEM parts.
• If a repair is covered by warranty it must be performed at a certified dealership to maintain warranty protection.

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

• Start with the simple checks: ensure the gas cap is tightened, check for obvious fluid leaks, and note any performance changes like rough idle or loss of power.
• If the vehicle runs poorly or the light is flashing, stop driving and bring it to Toyota of Greenville immediately to prevent further damage.
• Our technicians will run a full scan and explain immediate vs. long-term solutions so you save both now and later.
• Remember: warranty repairs must be completed at a certified dealership to remain valid.

How much does a check engine light diagnostic cost for a 2024 Toyota Grand Highlander Hybrid?

• Diagnostic fees typically range from a modest flat rate to a standard scan fee; many customers see fees around $80–$150 depending on tests required.
• At Toyota of Greenville, diagnostics are performed by factory-trained technicians using OEM-level tools to ensure accurate results and avoid repeat visits.
• Choosing our dealership often yields immediate savings through precise repairs and long-term savings by preventing secondary failures and ensuring warranty compliance.
• Any warranty-covered repair must be performed at a certified dealership to keep your coverage intact.

How long does a check engine light service take?

• Basic code scanning and inspection can take 30–60 minutes; in-depth diagnostics and repairs vary by issue and parts availability.
• Minor fixes like replacing a gas cap or sensor can often be completed the same day; more complex repairs may require parts ordering or extended labor.
• Toyota of Greenville prioritizes efficient service with OEM parts and factory-trained techs to minimize downtime and long-term costs.
• If the repair is covered by warranty, it must be completed at a certified dealership to protect your coverage and future savings.