Frequently Asked Questions

What does it mean when the check engine light comes on in a 2025 Ram 2500?

• The check engine light can indicate anything from a loose gas cap to a misfire or emissions fault. At Larry H. Miller Dodge RAM FIAT Tucson we use factory-grade scanners to read codes quickly and accurately so you get a clear diagnosis.
• Our technicians explain the code, the likely causes, and the recommended repairs so you understand immediate needs and long-term implications for your 2025 Ram 2500.
• Choosing our dealership often costs less than independent shops when you factor in accurate diagnosis, OEM parts, and the immediate and long-term savings from avoiding repeat repairs.
• Repairs covered under warranty must be performed at a certified dealership to maintain coverage; we’ll verify warranty applicability and document everything for you.
• We offer service financing so you can get service now and pay later, and you can schedule service online for fast same-day or next-day appointments.

How long does a check engine light service take?

• Most diagnostics are completed the same day — typically within an hour to two hours — depending on the issue. If a deeper inspection is needed, we’ll provide a clear timeline before any work begins.
• Larry H. Miller Dodge RAM FIAT Tucson prioritizes quick turnaround using OEM tools and certified technicians to reduce time in the shop and get your 2025 Ram 2500 back on the road.
• Our service team will outline any parts lead times and discuss immediate and long-term cost savings from addressing the root cause now.
• Take advantage of our current service specials to save on diagnostics and repairs, and remember that warranty repairs must be completed at a certified dealership.
• To prioritize your visit, schedule appointment online and our advisors will prepare a focused, efficient service plan.

How much does a check engine light diagnostic cost for a 2025 Ram 2500?

• Prices vary by issue, but our transparent diagnostic fee covers comprehensive scanning, code interpretation, and a consultative estimate for repairs.
• Larry H. Miller Dodge RAM FIAT Tucson often costs less than independent shops when you consider diagnostic accuracy, genuine OEM parts, and the prevention of costly downstream repairs.
• We emphasize both immediate savings (accurate diagnosis prevents unnecessary parts replacement) and long-term savings (repairing problems early avoids major failures).
• If your repair is covered under warranty, remember that warranty work must be done at a certified dealership to preserve coverage; our team will confirm this for you.
• We also offer service financing so you can get the necessary repairs now and pay over time, and you can check our current service specials before you book.

What is the most common reason for check engine light on a 2025 Ram 2500?

• Common causes include oxygen sensor faults, catalytic converter issues, misfires, or fuel system irregularities. These can be caused by sensors, ignition components, or fuel delivery problems.
• Left unaddressed, sensor or misfire issues can lead to higher fuel costs, reduced performance, and expensive parts failure such as catalytic converter replacement.
• Our certified technicians use OEM diagnostics to identify the root cause, provide a clear repair plan, and explain how timely service saves money over time.
• Warranty-covered faults must be repaired at a certified dealership; we’ll check for coverage and advise accordingly.
• To avoid escalation, schedule service with Larry H. Miller Dodge RAM FIAT Tucson — we offer rapid diagnostics and service financing to minimize disruption.

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

• Start with the basics: check the gas cap for proper fit. If that’s secure, bring your 2025 Ram 2500 to our service center for a fast scan to read trouble codes.
• Our technicians will perform a professional scan and walk you through the results, recommended repairs, and expected costs — emphasizing transparency and long-term savings.
• We stock OEM parts when possible and recommend dealership service because warranty repairs must be done at certified locations to remain valid.
• Don’t delay — small issues can become big repairs. Use our online tool to schedule service or check current service specials to reduce cost.
• We offer service financing so you can address problems promptly and protect your vehicle’s performance and resale value.