2020 Honda HR-V Radiator Fan Isn't Working

Resolve 2020 Honda HR-V radiator fan issues causing overheating problems

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
34% chance it's the
Fan Motor or Clutch
0%
28% chance it's the
Fan Relay or Fuse
0%
23% chance it's the
Temp Sensor or Fan Control Module
0%
15% chance it's
Something else
The most common reasons a 2020 Honda HR-V radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor.
  • Fan Motor or Clutch: A faulty fan motor or a malfunctioning fan clutch can result in inadequate cooling, causing the engine to overheat.
  • Fan Relay or Fuse: A faulty fan relay or blown fuse can prevent the cooling fan from operating, leading to engine overheating.
  • Temp Sensor or Fan Control Module: A faulty temperature sensor or fan control module can result in incorrect readings, causing the engine to overheat or the cooling fan to operate improperly.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2020 Honda HR-V radiator fan isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear smooth. A squealing noise that increases with engine speed or as engine driven accessories are turned on may be noted. The noise is caused by the belt slipping on the pulleys, insufficiently driving them. Ineffective air conditioning, a battery warning light, or intermittent power steering assist can result from this.

»MORE: Symptoms of a bad serpentine belt

The bad thermostat can cause two different sets of problems, depending on whether it's stuck open or stuck closed.

A thermostat that is stuck open can cause the engine to run colder than normal and turn on the check engine light. It may also cause poor fuel mileage and the heater to blow cool air.

A thermostat that is stuck closed will cause the vehicle to overheat. If a new thermostat doesn't resolve engine temperature problems, the cooling system needs to be checked for other issues.

» LEARN MORE: Signs of a bad thermostat, and how to fix it

When the engine coolant temperature sensor fails, it will send inaccurate information to the vehicle’s computer, causing the computer to react to false operating conditions. This will cause the engine to consume more fuel than normal, depleting fuel mileage, and causing black, sooty smoke from the engine under moderate to heavy acceleration. The check engine light will illuminate, and on-board diagnostic trouble codes may be stored for exhaust and emission system failure, fuel delivery system failure, and engine cooling system failure. Overheating may also occur, as the coolant sensor may be leaking fluid out of the engine, creating a an air pocket in the system.

What steps should I take to diagnose the non-functioning radiator fan in my 2020 Honda HR-V?

To effectively diagnose the non-functioning radiator fan in your 2020 Honda HR-V, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex issues. Start by examining the fuse linked to the radiator fan, as a blown fuse is a common culprit that can easily be replaced. If the fuse is intact, the next step is to inspect the relay, which is responsible for supplying power to the fan; a faulty relay may need to be replaced to restore functionality. Following this, you can test the fan motor directly by applying power to it; if the fan fails to operate, it likely requires replacement. Additionally, check the temperature sensor, as a malfunctioning sensor may not trigger the fan to activate when the engine reaches the appropriate temperature. Finally, inspect the wiring for any damage or loose connections, as these issues can impede power delivery to the fan. If these diagnostic steps do not resolve the problem, seeking assistance from a mechanic or dealership is recommended for a professional evaluation. By following this methodical approach, you can effectively identify and address the issues with your radiator fan.

What are the common causes for the radiator fan not working in a 2020 Honda HR-V?

When facing issues with the radiator fan in a 2020 Honda HR-V, it's crucial to understand the common problems that could be at play. A faulty fan motor is often the primary suspect, as it can fail to operate, leaving the engine vulnerable to overheating. Additionally, a blown fuse can interrupt the electrical flow necessary for the fan to function, making it a simple yet critical point to check. Another potential culprit is a defective temperature sensor, which may fail to signal the fan to activate when the engine reaches high temperatures. Furthermore, a broken or slipping fan belt can hinder the fan's operation, while a coolant leak can lead to insufficient coolant levels, causing the fan to stop working due to overheating concerns. By systematically diagnosing these issues, DIYers can effectively pinpoint the cause of the radiator fan malfunction and take the necessary steps to restore proper engine cooling.

How urgent is it to repair the non-working radiator fan in a 2020 Honda HR-V?

When it comes to the non-working radiator fan in your 2020 Honda HR-V, the urgency of repair cannot be overstated. The radiator fan is essential for regulating the engine's temperature, and without it, your vehicle is at a high risk of overheating. This overheating can lead to severe engine damage, including warped cylinder heads and blown head gaskets, which are not only costly to repair but can also leave you stranded. Additionally, a malfunctioning fan can compromise your vehicle's overall performance and fuel efficiency, as the engine struggles to maintain optimal operating conditions. Therefore, addressing the issue of a non-working radiator fan should be a top priority for any DIY enthusiast. Taking swift action not only protects your investment but also ensures your safety on the road, making it imperative to diagnose and repair the fan as soon as possible.

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2020 Honda HR-V Radiator Fan Issues: Causes & Solutions