Check Engine Light Flashing

A flashing check engine light on a 2026 Ram 3500 is a clear sign of a potentially serious issue—often indicating an active misfire that can allow unburned fuel into the exhaust system and cause immediate catalytic converter damage. When you see a flashing light, do not delay: reduce speed, avoid heavy acceleration, and get the vehicle inspected at Larry H. Miller Chrysler Dodge Ram FIAT Denver in Denver, CO as soon as possible. Our service center is equipped to perform priority diagnostics and repairs using OEM parts and factory procedures, minimizing both repair time and risk of further damage. We explain findings in plain language, provide transparent estimates, and outline how timely repair saves you money by preventing downstream failures. In addition, we advertise rotating service specials and loyalty benefits to reduce out-of-pocket costs. If you need flexible payment options, ask about service financing to get immediate care and pay over time. For safety and to protect your investment in the 2026 Ram 3500, schedule service now—our certified technicians will prioritize your vehicle and get you back on the road quickly.

2026 Ram 3500 Check Engine Light Reset

Resetting the check engine light on a 2026 Ram 3500 is straightforward with the right diagnosis, but simply clearing a code without addressing the root cause can mask an underlying problem and lead to more costly repairs. At Larry H. Miller Chrysler Dodge Ram FIAT Denver, we follow a proven process: scan the vehicle for stored and pending codes, repair or replace failing components using OEM parts, then verify repairs with a post-repair test before resetting the light. This transparent approach ensures long-term reliability and preserves factory warranties—any warranty-covered repairs must be performed at a certified dealership to remain valid. Our technicians are factory-trained on Chrysler, Dodge, RAM, and FIAT vehicles, offering the technical expertise that independent shops may not match. We also provide clear pricing, and because we prioritize accurate diagnostics and durable parts, customers often realize immediate and long-term savings versus repeated trips for the same issue. Take advantage of current service specials and flexible service financing to make necessary repairs affordable. To begin, schedule service online and choose a convenient appointment time.

2026 Ram 3500 Check Engine Light Codes

Common check engine light codes for the 2026 Ram 3500 include P0420 (catalyst system efficiency), P0300 series (random/multiple cylinder misfires), P013x/P015x (oxygen sensor circuits), and P0171/P0174 (fuel trim lean conditions). In Denver, drivers at Larry H. Miller Chrysler Dodge Ram FIAT Denver benefit from fast, accurate code interpretation and transparent cost estimates for each scenario: unattended O2 sensor failures and exhaust issues can reduce fuel economy and lead to catalytic converter failure, costing significantly more if deferred; misfires can cause engine damage and higher repair bills; fuel trim issues often start as inexpensive sensor or injector services but escalate if ignored. Our team uses factory diagnostic tools to determine cost-effective repair options and provides clear comparisons between immediate repair costs and the long-term expenses of deferral. We emphasize quick turnaround, OEM parts, warranty-backed repairs, and customer care amenities while helping you evaluate savings from preventive action. For pricing details, promotions, or to schedule service, contact Larry H. Miller Chrysler Dodge Ram FIAT Denver—your trusted local service partner for the 2026 Ram 3500.