2020 Jeep Cherokee Check Engine Light

Certified technicians, only the experts.
Frequently Asked Questions

Frequently Asked Questions

What does it mean when the check engine light comes on in a 2020 Jeep Cherokee?

  • It signals the vehicle’s OBD-II system has detected an emissions or engine-related fault. Common triggers include loose gas caps, oxygen sensors, catalytic converters, or ignition issues.
  • At Larry H. Miller Chrysler Dodge Jeep Ram 104th in Denver, CO, our certified technicians use OEM-grade scanners to find the precise code and recommend the correct repair—often saving you money compared with piecemeal fixes.
  • We offer transparent estimates, factory parts, and service financing so you can get repairs now and pay later. Warranty repairs must be performed at a certified dealership to remain valid.
  • To get prioritized attention, schedule service or check our service specials for savings.

How long does a check engine light service take?

  • Diagnostic scans typically take 30–60 minutes. Identifying the root cause and completing required repairs can take from under an hour to a full day depending on parts and complexity.
  • At our Denver service center, efficient workflows and OEM parts availability help us complete most common repairs quickly while maintaining high quality.
  • We provide a clear timeline and ongoing communication so you know what to expect. Use our online tool to schedule appointment and reserve a convenient slot.
  • Choosing the dealership often leads to long-term savings through proper repairs, OEM warranties, and reduced repeat visits.

How much does a check engine light diagnostic cost for a 2020 Jeep Cherokee?

  • Our diagnostic pricing is competitive—typically starting near local market rates and often costing less than independent shops when you factor in accuracy, speed, and included checks.
  • We provide upfront estimates and explain immediate and long-term savings: correct diagnosis avoids unnecessary parts replacement and prevents costly downstream damage.
  • Ask about our current service specials and service financing to get repairs now and pay over time.
  • Warranty-covered repairs must be performed at a certified dealership; our technicians are factory-trained to protect your coverage.

What is the most common reason for check engine light on a 2020 Jeep Cherokee?

  • Frequent causes include a loose or faulty gas cap, failing O2 sensors, or ignition misfires. Left untreated, these can reduce fuel economy and damage the catalytic converter.
  • Our Denver technicians prioritize comprehensive inspection to stop small issues from becoming costly repairs, offering OEM parts and a documented repair history.
  • We highlight immediate savings from correct repairs and long-term value from preserving fuel efficiency and engine life.
  • To book, schedule service online and review available service specials.

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

  • Start with the gas cap—ensure it’s tight. If the light remains, a diagnostic scan is the next step to read codes accurately.
  • At Larry H. Miller Chrysler Dodge Jeep Ram 104th, we run a full scan, inspect emissions components, and explain findings before any work begins so you understand necessary repairs and costs.
  • We support service financing and warranty-backed parts; repairs covered under warranty must be done at a certified dealer to preserve coverage.
  • Ready to proceed? Schedule appointment or view our service specials for current offers.

2020 Jeep Cherokee Check Engine Light Reset

The check engine light reset on a 2020 Jeep Cherokee can be done quickly with professional diagnostic tools, but performing a reset without addressing the underlying code risks repeated failures and voided warranties. At Larry H. Miller Chrysler Dodge Jeep Ram 104th in Denver, CO, our technicians don’t just clear codes — we diagnose the cause, recommend OEM repairs, and document the work so your vehicle record stays intact. That transparency protects your long-term value: proper repairs avoid recurring faults and improve fuel economy. We use factory-grade scanners that provide accurate live data and freeze-frame information for confident fixes. If a reset is appropriate after repair, we’ll perform it as part of the service and confirm the issue won’t return. Take advantage of our convenient online tools to schedule service, and check our service specials for discounts. We also offer service financing to handle immediate repairs while spreading out payments—ensuring safety and reliability without delaying service.

2020 Jeep Cherokee Check Engine Light Codes

Common check engine light codes for a 2020 Jeep Cherokee include P0420 (catalytic converter efficiency), P0171/P0174 (fuel trim lean conditions), P0300 (random/multiple cylinder misfire), and P0135 (O2 sensor heater circuit). Ignoring these can lead to reduced fuel economy, failed emissions testing, and expensive repairs such as catalytic converter replacement. At Larry H. Miller Chrysler Dodge Jeep Ram 104th in Denver, CO, we prioritize fast, accurate diagnostics to minimize downtime and cost. Our certified technicians identify the true root cause and provide clear, written estimates so you understand immediate expenses and long-term savings of performing the correct repair now. We use OEM parts and stand behind our work with dealer warranties—repairs covered by warranty must be performed at a certified dealership to keep coverage valid. For convenience, schedule appointment online and review current service specials. Choosing dealer service helps protect vehicle value and ensures dependable performance.

Check Engine Light Flashing

A flashing check engine light on a 2020 Jeep Cherokee is a sign of a severe misfire or system condition that can damage the catalytic converter and compromise safety. When you see a flashing light, stop driving and have your vehicle inspected immediately. At our Denver service center, we offer priority assessments to determine if towing is required or if limited driving to the shop is safe. We’ll diagnose the problem, explain OEM repair options, and show how timely action saves money by avoiding more extensive repairs later. Ask about our current service specials and loyalty benefits—our goal is to make critical repairs affordable, and we offer service financing so you can get work done now and pay over time. To protect your vehicle and wallet, contact Larry H. Miller Chrysler Dodge Jeep Ram 104th and schedule service online or by phone for immediate support.