Frequently Asked Questions

What does it mean when the check engine light comes on in a 2021 Toyota Highlander Hybrid?

• It signals the vehicle’s onboard diagnostics detected an issue—anything from a loose gas cap to emissions, sensor faults, or hybrid battery/system alerts.
• At Herb Chambers Toyota of Boston we use OEM-grade scanners to identify the exact code quickly, helping avoid unnecessary repairs and long-term damage.
• Our certified technicians explain findings clearly and present cost-effective repair options; performing needed repairs at a certified dealership often saves you money over time through precise fixes, fewer repeat visits, and stronger resale value.
• We offer service financing so you can get repairs now and pay later, preserving vehicle health and avoiding compounded damage costs.

How long does a check engine light service take?

• Most diagnostics are completed within an hour; follow-up repairs vary by issue. Simple fixes like replacing a sensor or tightening a cap may be same-day.
• For more involved repairs, our advisors provide realistic timelines and keep you updated—this transparency helps you plan and reduces downtime.
• We strive for efficient turnarounds using factory procedures and OEM parts so the repair lasts longer and avoids repeat visits, delivering immediate and long-term savings compared with poorly documented fixes.
• Ready to book? Please schedule service or check current service specials before your visit.

How much does a check engine light diagnostic cost for a 2021 Toyota Highlander Hybrid?

• Diagnostic fees can vary, but Herb Chambers Toyota of Boston offers competitive pricing and clear estimates up front; we often cost less than independent shops while delivering factory-trained expertise.
• Investing in a dealership diagnostic reduces the chance of misdiagnosis and repeated work—saving you money over the life of your Highlander Hybrid.
• If a repair is covered under warranty, it must be completed at a certified dealership to preserve coverage and ensure OEM-quality parts and labor.
• Ask about service financing to manage payment; view our current service specials and schedule service online.

What is the most common reason for check engine light on a 2021 Toyota Highlander Hybrid?

• Common causes include EV/hybrid system alerts, oxygen sensor failure, catalytic converter issues, or emissions-related sensors.
• Our Toyota-certified technicians in Boston precisely read codes and test systems to identify the root cause and avoid unnecessary replacements.
• Choosing the dealership means access to OEM parts and service procedures, which improves performance and reduces long-term costs through reliable repairs and warranty protection.
• Use our online tools to schedule service and review available service specials.

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

• Start with basic checks: ensure the gas cap is secure, and note driving behavior or new noises. Then bring your vehicle to Herb Chambers Toyota of Boston for a professional scan.
• We perform a fast diagnostic to read trouble codes and offer a written estimate for any repair, emphasizing transparency and long-term value.
• Our technicians are factory-trained on Toyota hybrid systems, and warranty-covered repairs must be completed at certified dealerships to maintain coverage.
• To act quickly and protect your vehicle, schedule service or view our service specials today.