To complete a 2010 Jeep Grand Cherokee climate control reset, you need to press and hold the “Browse/Enter” and volume control buttons to reboot the computer connected to your HVAC. If that doesn’t work, you could have a broken blend door actuator, blocked cabin filter, or faulty cooling fan.
Climate control is intended to make you and your passengers comfortable. But, when it’s not working, it can have just the opposite effect. Sweltering heat or frigid cold could leave you in a sweaty or shivering mess–depending on the weather.
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We’ll get into this more in-depth later on, but your climate control system is one of the most complex parts of your vehicle. To get the sweet cool breeze on your face on a hot summer’s day, a ton of different parts of the HVAC system have to work together without a hitch.
Your 2010 Jeep Grand Cherokee has many of the traditional parts you’d expect in any car’s HVAC system (think blower motor, coolant hoses, A/C air compressors, etc.), but is also controlled by a computer. It may sound a little odd, but that screen on your dashboard is, in fact, a computer! And when your A/C system is acting up, setting that computer just may be exactly what you need to reboot your HVAC system.
Step one: Locate the “Browse/Enter” and volume control buttons on your dashboard. They’re both large circular buttons, and “Browse/Enter” is on the left and volume control is on the right.
Step two: With two fingers, press and hold the “Browse/Enter” and volume control buttons until the infotainment screen turns black, then starts itself up again.
Resetting the computer could end your Jeep Grand Cherokee climate control problems! But, if you follow these steps and your A/C system still isn’t working as it should, the problem is most likely not with the computer, and you’ll have to do a little more troubleshooting.
Other reasons your 2010 Jeep Grand Cherokee A/C isn’t working
We mentioned earlier how complicated your car’s climate control system is, but it bears repeating down here. And, if just one of these parts is busted, your whole system could be on the fritz. Here are a few other things that could be causing your 2010 Jeep Grand Cherokee’s air conditioner to fail.
Dirty cabin air filter
The air filter is the barrier between your HVAC system and your vehicle’s cabin and sits right behind the air vents. Over time, the cabin air filter can get clogged up with dirt and other engine debris that slow down airflow. An increase in your engine’s fuel consumption also indicates that you’ve got a dirty or clogged-up cabin air filter
. To help prevent this, we’d suggest you follow Jeep’s recommendation and change the air filter every 10,000 to 20,000 miles.
Blend door actuator malfunction
The blend door actuator, or HVAC actuator, is a tiny motor that controls vents that direct airflow into your vehicle’s interior. If your blend door actuator malfunctions, you’ll likely hear repeated clicking sounds from underneath the dashboard. And, if the air is blowing cold on the passenger seat and hot on the driver’s seat, you’ve probably got a broken blend door actuator on your hands.
Unfortunately, this calls for replacement—not repair. If your blend door actuator is on the fry, you’ll need to purchase a new one.
A/C blower motor failure
The blower motor powers the fan that pushes temperature-controlled air into the cabin through the dashboard vents. A busted or worn-out blower motor will make wheezing or clicking noises when you turn on your A/C.
Faulty cooling fan
The cooling fan’s job is pretty self-explanatory: it blows air through the radiator to lower the coolant temperature and overall temperature of your engine. If your cooling fan is busted, you’ll notice that your A/C vents aren’t blowing enough air.
A/C control module failure
The A/C control module is another electrical component of your HVAC system that controls the heating and cooling functions. You’ll know that there’s a problem with your A/C control module if your climate control system is on auto or manual control but no air flows through the vents.
How to diagnose a 2010 Jeep Grand Cherokee climate control malfunction
These are just some of the most popular 2010 Jeep Grand Cherokee climate control problems. There are dozens more reasons why your A/C system could malfunction, like a bad wiring harness, coolant leak, fried HVAC fuse….the list can go on.
Grabbing an onboard diagnostic (OBD) scan tool can help pinpoint the root of the problem. This handy tool will give you an error code that can tell you precisely what’s going wrong inside your vehicle.
If you don’t have an OBD scanner, you can always bring your Jeep to a trusted mechanic instead. But, because your car’s HVAC system is so complex, we recommend that you look for a specially qualified and certified mechanic to work with car air conditioners.
MORE: How to read car OBD codes
How to keep Jeep insurance costs low
Broadly speaking, Jeeps are great cars: they’re easy to drive, durable, and have a truly one-of-a-kind style. And, unfortunately, all this coolness also comes at an added cost: on average, owning a Jeep costs about $634 annually in maintenance alone.
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