Frequently Asked Questions

What does it mean when the check engine light comes on in a 2020 Honda Clarity Fuel Cell?

• It signals your vehicle's onboard diagnostics detected an issue — from simple sensor faults to emissions or fuel-system concerns. In the 2020 Honda Clarity Fuel Cell, it can indicate problems with sensors, the fuel cell system status, or the secondary 12V battery that supports electronics.
• Bringing the car to Larry H. Miller Honda Boise ensures factory-trained technicians diagnose the vehicle with OEM tools and parts. We often cost less than independent shops while delivering faster, warranty-safe repairs and immediate and long-term savings through correct fixes and genuine parts.
• Repairs covered under warranty must be performed at a certified dealership to remain valid and maintain future coverage. We also offer service financing so you can get service now and pay later.
• To get an accurate diagnosis, please schedule service online or review our current service specials.

How long does a check engine light service take?

• Diagnostics typically take 30–90 minutes, depending on the issue and whether further inspection or test drives are required. Complex fuel-cell or electrical cases can require additional time for thorough testing.
• Larry H. Miller Honda Boise prioritizes quick turnaround with transparent estimates, OEM parts on hand, and experienced technicians to minimize downtime.
• We provide clear timelines before work begins and offer loaner options or comfortable waiting areas. You can schedule appointment online for the earliest available slot and check current service specials to lower your cost.

How much does a check engine light diagnostic cost for a 2020 Honda Clarity Fuel Cell?

• Diagnostic prices vary by issue, but our pricing is competitive and designed to deliver value: you’ll get a clear written estimate and options before any repair begins. Our dealership often costs less than independent shops while providing certified expertise, OEM parts, and warranty protection.
• Beyond the diagnostic fee, fixing the underlying cause prevents larger, more expensive failures and improves longevity — immediate savings today and reduced ownership cost over time.
• We also offer service financing to help you pay over time. Check our current service specials or schedule service to start diagnostics now.

What is the most common reason for check engine light on a 2020 Honda Clarity Fuel Cell?

• Common causes include sensor malfunctions (oxygen, hydrogen sensors), 12V battery issues, or secondary system faults. For a fuel cell vehicle, electrical and thermal management sensors are frequent triggers.
• Larry H. Miller Honda Boise’s technicians are trained on Honda fuel cell systems and use OEM diagnostic protocols to identify the root cause quickly, protecting your vehicle’s performance and resale value.
• Prompt diagnosis and repair reduce the risk of cascading failures and costly repairs; schedule online to get started and ask about available discounts and service financing.

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

• Check for obvious issues: unusual noises, warning messages, or drivability changes. For the 2020 Honda Clarity Fuel Cell, note any hydrogen system alerts or battery warnings.
• Contact Larry H. Miller Honda Boise and schedule service so certified technicians can run a professional diagnostic. Repairs covered by warranty must be handled at a certified dealership to maintain protection.
• We provide transparent pricing, OEM parts, and service financing to get you back on the road with confidence — and our service advisors will explain immediate and long-term benefits of the recommended repairs.