Frequently Asked Questions

What does it mean when the check engine light comes on in a 2026 Jeep Grand Wagoneer?

• It signals that the vehicle’s onboard diagnostics detected an issue — anything from a loose gas cap to an emissions or engine performance fault.
• At Larry H. Miller Chrysler Jeep Dodge Ram Boise, factory-trained technicians use OEM-grade scanners to identify the exact code and recommend the right repair, protecting long-term value and reliability.
• Quick diagnostics with precise repairs often cost less over time than repeated visits to independent shops because we address root causes, avoid repeat breakdowns, and preserve warranty coverage.
• We offer service financing so you can get service now and pay later, and warranty-covered work must be performed by a certified dealership to remain valid.
• To get a full diagnostic and clear plan, schedule service with our Boise service team or check our service specials for current savings.

How long does a check engine light service take?

• Typical diagnostics are completed the same day — many within an hour — depending on the complexity of codes and any necessary repairs.
• Larry H. Miller Chrysler Jeep Dodge Ram Boise emphasizes efficient turnaround with transparent estimates so you know expected time and costs up front.
• Our streamlined process uses advanced diagnostic tools and certified technicians, reducing downtime and helping you avoid costly long-term damage.
• We often provide immediate savings versus independent shops by combining accurate diagnosis with OEM parts and targeted repairs that prevent repeat visits.
• To reserve a convenient time, schedule service online and review current offers on our service specials.

How much does a check engine light diagnostic cost for a 2026 Jeep Grand Wagoneer?

• Diagnostic pricing can vary, but our dealership provides competitive, transparent pricing and long-term value by fixing the root cause rather than treating symptoms.
• Larry H. Miller Chrysler Jeep Dodge Ram Boise often costs less than independent shops when you factor in accurate diagnostics, OEM parts, and warranty protections that reduce future expense.
• Any repairs covered under warranty must be completed at a certified dealership to preserve coverage — we’ll always explain warranty implications and options before work begins.
• We also offer service financing so you can get important repairs today and make payments over time, avoiding additional damage from delays.
• For a clear estimate and appointment, schedule service or view available discounts on our service specials.

What is the most common reason for check engine light on a 2026 Jeep Grand Wagoneer?

• Common causes include emissions sensor faults (oxygen sensors), loose or damaged gas caps, ignition or fuel system problems, and failing sensors tied to engine performance.
• Addressing these early with certified diagnostics at Larry H. Miller Chrysler Jeep Dodge Ram Boise avoids catalytic converter damage, reduced fuel economy, and higher repair costs down the road.
• Our technicians use OEM parts and precise fixes that increase longevity and reduce overall ownership costs compared with repeated stop-gap repairs.
• Remember: warranty repairs must be done at a certified dealership to remain valid; we’ll walk you through coverage and cost-saving options.
• To prevent escalation, schedule service now and look for current promotions on our service specials.

What is the first thing to check when the check engine light comes on for a 2026 Jeep Grand Wagoneer?

• Start with simple checks: ensure the gas cap is tight and undamaged — it’s a common trigger that’s quick to fix.
• If the light remains, bring the vehicle to Larry H. Miller Chrysler Jeep Dodge Ram Boise where certified technicians will run a comprehensive scan to identify diagnostic trouble codes accurately.
• We focus on solutions that protect the vehicle’s long-term health and warranty, and we provide transparent quotes so you understand immediate and future savings.
• Service financing is available to help you address issues promptly without delaying necessary repairs.
• To get an accurate diagnosis, schedule service or check our service specials for discounts.