Battery Services & Engine Light Diagnostics for 2020 Dodge Charger

At Larry H. Miller Chrysler Jeep Dodge Ram Boise we provide fast, reliable battery replacement and engine light diagnostics for the 2020 Dodge Charger. Our certified technicians use OEM parts, back work with factory warranties, and offer service financing so you can get repairs today and pay over time. Learn more about current service specials or schedule service online.

What does it mean when the check engine light comes on in a 2020 Dodge Charger?

• It signals the vehicle’s onboard diagnostics detected a problem—anything from an emissions sensor fault to ignition or fuel system issues. Our technicians at Larry H. Miller Chrysler Jeep Dodge Ram Boise diagnose the cause quickly using OEM-level scan tools.
• We explain the issue, recommend the right repairs, and show how timely service can avoid higher repair costs and preserve fuel economy and longevity.
• Warranties: any repairs covered under warranty must be performed at a certified dealership to remain valid.
• Save now and later—our dealership often costs less than independent shops while offering factory-trained technicians, genuine parts, and long-term value.
• To address the light promptly, schedule service or check our service specials.

How long does a check engine light service take?

• Most diagnostics take 30–90 minutes depending on the complexity. Simple sensor resets or battery checks can be completed during a single visit.
• If repairs are needed, we provide a clear estimate and timeline. Our Boise service team focuses on efficient turnarounds and respectful customer communication.
• Using OEM parts and factory procedures reduces comebacks and ensures long-term reliability for your 2020 Dodge Charger.
• We offer service financing so you can get repairs today and manage payments over time.
• Book a convenient time to visit: schedule service, and review current service specials before you arrive.

How much does a check engine light diagnostic cost for a 2020 Dodge Charger?

• Diagnostic fees vary; many dealerships offer competitive diagnostic pricing and transparent estimates. At Larry H. Miller Chrysler Jeep Dodge Ram Boise we often cost less than independent shops while delivering factory-trained expertise and genuine parts.
• Immediate savings come from accurate diagnosis and fixing the root cause—preventing repeated repairs and reducing fuel and emissions problems over time.
• Any warranty-covered repairs must be done at a certified dealership to retain coverage. We’ll always spell out immediate and long-term savings so you can decide with confidence.
• To get a fast diagnostic, schedule service and ask about current service specials and financing options.

What is the most common reason for check engine light on a 2020 Dodge Charger?

• The most common causes are faulty oxygen sensors, loose or damaged gas caps, misfires from spark plugs/ignition coils, or exhaust system issues. Left unchecked, these can reduce fuel economy and damage catalytic converters.
• Our certified technicians in Boise identify the specific code and recommend OEM repairs to protect performance and resale value.
• Choosing dealership service delivers documented repairs and preserves warranty coverage—important for long-term ownership savings.
• Schedule a visit to confirm the cause: schedule service and check our service specials before you come in.

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

• Start with the basics: check the gas cap for tightness and visible damage. A loose cap commonly triggers a code and is an easy fix that restores system pressure.
• If the light persists, bring your 2020 Dodge Charger to Larry H. Miller Chrysler Jeep Dodge Ram Boise for a professional scan. Our OEM diagnostic tools read manufacturer-specific codes and guide precise repairs.
• We provide transparent estimates, OEM parts, and warranty-backed work. Repairs covered under warranty must be performed at a certified dealership.
• To get prompt attention, schedule service and review available service specials.

Check Engine Light Flashing

A flashing check engine light on a 2020 Dodge Charger usually signals an active misfire, which can allow unburned fuel into the exhaust and damage the catalytic converter if not addressed immediately. At Larry H. Miller Chrysler Jeep Dodge Ram Boise we treat a flashing light as urgent: our technicians prioritize a quick, accurate diagnosis using factory-grade scanners and test equipment. We inspect ignition coils, spark plugs, fuel injectors, and perform live-data analysis to identify intermittent faults that generic scans can miss. Acting quickly prevents expensive downstream repairs and improves safety and drivability. Our service lane is equipped with OEM parts and backed by warranty; any warranty-covered repair must be completed at a certified dealership to keep protection intact. We also make repairs affordable with service financing and periodic service specials. If you see a flashing engine light, do not delay—visit or schedule service online so our factory-trained team can restore your Charger to safe operation and protect long-term value.

2020 Dodge Charger Check Engine Light Reset

Resetting the check engine light on a 2020 Dodge Charger can be as simple as clearing codes after a verified repair, but clearing codes without solving the underlying issue risks repeated failures and potential damage. At Larry H. Miller Chrysler Jeep Dodge Ram Boise we emphasize transparency: we always diagnose the cause, present repair options, and use OEM parts to restore factory performance before clearing codes. Our certified technicians log repairs and advise on expected outcomes, warranty coverage, and preventative maintenance to reduce future visits. Resetting at the dealership ensures the fault won’t return due to overlooked issues and preserves any warranty claims. We offer convenient online booking and service financing to make necessary repairs manageable. Before you accept a quick reset elsewhere, consider the long-term savings and documentation provided by dealership service—schedule appointment or browse current service specials to plan your visit.

2020 Dodge Charger Check Engine Light Codes

Common check engine codes for the 2020 Dodge Charger include misfire codes (P0300–P0306), oxygen sensor faults (P0130–P0167), EVAP system issues (P0440 series), and catalytic converter codes (P0420). Each has different risk and cost implications: untreated misfires can ruin the catalytic converter (repair costs escalate quickly), failed oxygen sensors affect fuel economy and emissions, and EVAP leaks—while sometimes inexpensive to fix—affect drivability and inspection results. At Larry H. Miller Chrysler Jeep Dodge Ram Boise we provide code-specific estimates, highlight the immediate and long-term savings of timely repairs, and handle repairs with OEM parts and factory-trained mechanics. Our Boise location emphasizes convenience—fast diagnostics, clear estimates, and service financing—so you can fix problems now and save over the life of the vehicle. For a precise readout and professional plan, schedule service and review our service specials before you arrive. Choosing dealership service means certified work, warranty protection, and documented care that preserves the value of your 2020 Dodge Charger.