2024 Toyota Highlander Check Engine Light

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Frequently Asked Questions

2024 Toyota Highlander — Check Engine Light Service in Greenville, SC

Trust Toyota of Greenville for fast diagnostics, factory-trained technicians, and transparent pricing for your 2024 Toyota Highlander. We deliver immediate and long-term savings compared with many independent shops, with warranty protection when repairs are performed at a certified dealership.

Frequently Asked Questions

What is the first thing to check when the check engine light comes on in a 2024 Toyota Highlander?

  • Check for obvious issues first: loose or missing gas cap, visible fluid leaks, or unusual noises.
  • Verify fuel level and recent fueling history—sometimes poor fuel or a loose cap triggers the warning.
  • If immediate obvious causes aren’t found, bring the Highlander to Toyota of Greenville for an OEM scan to read stored codes.
  • Performing diagnostics here often costs less than independent shops while delivering factory-trained expertise and ensured warranty coverage for covered repairs.

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

  • It indicates the vehicle’s onboard computer detected an emissions or engine system fault and logged a diagnostic trouble code (DTC).
  • Codes range from simple sensor issues to conditions that can affect performance, efficiency, or emissions compliance.
  • Our technicians use OEM-grade scanners to identify the specific code, recommend repairs, and estimate costs so you avoid unnecessary work.
  • Choosing our dealership often saves you money immediately and long-term by preventing escalation and preserving warranty coverage when repairs are completed at a certified facility.

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

  • Diagnostic pricing varies by scope, but Toyota of Greenville offers competitive, transparent diagnostic rates and service specials—see our Service Specials.
  • Because we use factory-grade tools and factory-trained technicians, diagnostics are efficient, often costing less than independent shops when factoring accuracy and repair confidence.
  • Identifying the correct cause upfront reduces long-term costs by avoiding repeated or unnecessary repairs.
  • Repairs covered under warranty must be performed at a certified dealership to preserve coverage and ensure parts and labor are handled correctly.

How long does a check engine light service take?

  • Initial diagnostic scans usually take 30–60 minutes; complex issues requiring tests or road evaluation may take longer.
  • If parts are required, repair time depends on part availability; we can often source OEM parts quickly through Toyota of Greenville.
  • Our service advisors provide clear time estimates and prioritize safety and warranty compliance to save you time and money over the long term.
  • Scheduling online is easy via our service page and helps us get your Highlander back on the road faster.

2024 Toyota Highlander Check Engine Light Reset

Resetting the check engine light on a 2024 Toyota Highlander can be done with a proper OEM scan tool after the underlying issue is repaired, but clearing codes without addressing the root cause is not recommended. Quick DIY resets—like disconnecting the battery—may erase codes temporarily yet allow a problem to worsen, void warranties, or mask emissions defects. At Toyota of Greenville, our factory-trained technicians diagnose and fix the fault, then reset and verify the system using Toyota-approved equipment. Choosing our dealership often yields immediate savings through accurate diagnosis and long-term savings by preventing repeated visits, ensuring repairs are covered under warranty when performed at a certified dealer.

2024 Toyota Highlander Check Engine Light Flashing

A flashing check engine light on a 2024 Toyota Highlander signals a severe condition, commonly an engine misfire that can overheat or damage the catalytic converter if driven. Immediate action is required: reduce load, stop driving if safe, and have the vehicle towed to Toyota of Greenville to prevent extensive damage. Our technicians will perform a prioritized safety evaluation and use OEM diagnostics to pinpoint causes—ignition, fuel delivery, or sensor failures. Acting quickly at a certified dealership often costs less than delayed repairs at independent shops because we prevent cascade failures and protect long-term value while maintaining warranty requirements when applicable.

2024 Toyota Highlander Check Engine Light Codes

Common check engine light codes for the 2024 Toyota Highlander include oxygen sensor (O2) faults, catalytic converter efficiency codes, misfire codes, and evaporative emissions system faults. Left unaddressed, a faulty O2 sensor can reduce fuel economy and harm the catalytic converter; replacing an O2 sensor is typically several hundred dollars, while a damaged catalytic converter can exceed $1,000. Misfires can damage the converter quickly and lead to costly engine repairs if ignored. EVAP leaks may be inexpensive to repair but will fail emissions testing if not fixed. Toyota of Greenville provides accurate code diagnosis, cost estimates, and repair plans that often save you money instantly and over time by avoiding escalation and preserving warranty coverage when work is done at our certified dealership.

Ready to schedule service or learn more? Visit our New Inventory, All Inventory, or Trade pages, or book service via Service Specials. Toyota of Greenville — your certified Toyota dealer in Greenville, SC.

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