Frequently Asked Questions

What does it mean when the check engine light comes on in a 2012 Ram 1500?

• It signals your truck’s onboard diagnostics detected an issue—anything from a loose gas cap to an engine, emission, or electrical fault. For a 2012 Ram 1500 this can include oxygen sensor faults, catalytic converter issues, misfires, or battery/charging system problems.
• Our certified technicians at Larry H. Miller Chrysler Jeep Dodge Ram Boise run a full scan and explain results clearly so you understand immediate needs and long‑term implications for fuel economy and engine life.
• Addressing codes quickly often saves money over time; our dealership often costs less than independent shops while providing factory-trained techs, OEM parts, and covered warranty work when applicable.
• We offer service financing so you can get repairs now and pay later, and you can schedule service online in minutes. Check current offers on our service specials.

How long does a check engine light service take?

• Simple diagnostics and resets can take 30–60 minutes; more involved repairs (sensors, battery replacement, catalytic components) vary from one to several hours depending on parts availability.
• At Larry H. Miller Chrysler Jeep Dodge Ram Boise we prioritize quick turnaround with accurate diagnostics, OEM parts, and transparent estimates so you know time and cost up front.
• You can schedule appointment online; ask about our loaner options and service financing to minimize disruption while we complete the work.

How much does a check engine light diagnostic cost for a 2012 Ram 1500?

• Diagnostic fees vary, but our pricing is competitive. We provide clear estimates and often cost less than independent shops because of efficient diagnostic tools and factory-trained technicians.
• Choosing the dealership offers immediate and long-term savings: accurate diagnosis prevents unnecessary repairs, OEM parts extend component life, and warranty coverage protects future costs (warranty repairs must be performed at a certified dealership).
• Ask about current discounts and service specials, and use our online form to schedule service.

What is the most common reason for check engine light on a 2012 Ram 1500?

• Common causes include oxygen sensor failure, loose gas cap, spark plug or ignition coil issues, and battery/charging problems that affect engine management systems.
• Ignoring these can reduce fuel efficiency and cause further engine or emission system damage; our technicians diagnose quickly and recommend the most cost‑effective solution.
• We stock OEM batteries and perform professional battery replacement and charging-system tests to prevent repeat visits—book a time to avoid unexpected roadside failures.

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

• Check for an obvious loose or missing gas cap; then avoid extended driving if the light is flashing. For reliable diagnosis, bring your 2012 Ram 1500 to our service team for a proper scan.
• Our technicians at Larry H. Miller Chrysler Jeep Dodge Ram Boise will provide a clear report, estimated repair costs, and available service specials. We also offer service financing so you can address the issue promptly.
• To minimize downtime, schedule service online now and let our certified team protect your truck's performance and resale value.