Chevy Malibu Climate Control Unit Not Working – How To Fix

By Max Anthony •  Updated: 06/05/23 •  4 min read

Chevy Malibu Climate Control Unit Not Working

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Chevy is one of the best-selling vehicles in the United States, with a loyal fan base and strong sales every year. Chevy Malibu is one of the best selling vehicles of this kind.

People love it for its powerful engine and stylish looks. They think of it as a perfect car to own. There are many things that make the Malibu different from other cars. One of them is the climate control unit.

It helps in regulating the temperature inside the car so that people can feel comfortable while they are driving in the hot weather. If this system stops working, it will be very uncomfortable to drive a Chevy Malibu with a broken climate control unit.

In this case, you will have to deal with the climate control system on your vehicle. The climate control system of your Chevy Malibu has to be checked and cleaned out before you can get it working again.

To help you do this, here are some tips that will help you get the job done right and ensure that you don’t have to come back to fix any problems later on.

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Faulty Control

This part is called a control module, and it depends on the type of car you drive. The control module is the actual unit that controls the temperature in the car.

You may find there are buttons and dials on the control module to allow you to control the temperature inside your car. It contains all of the buttons and dials that allow you to adjust the temperature of the cabin.

It contains the hardware that allows you to adjust the settings for heating and cooling the cabin.

A blown control panel can cause a number of problems that will vary dramatically depending on what you are trying to fix. If you constantly poke and prod at the controls, you’ll quickly find that some part of your module is defective.

It may happen that you have a cracked display, a malfunctioning remote control, or that you have a button that is not functioning properly. Sometimes, having to replace the entire module is the only solution.

Failures of the electronics in your climate control system could have disastrous consequences. Some electronic components may fail and cause your thermostat to stop reading the appropriate temperature or to act incorrectly.

The strange behavior that you see in the system often signals that there is an underlying issue with your system.

Failure of One or More Sensors

If the control module is functioning normally, the sensor failure may be the cause. Even the simplest air conditioner requires two sensors.

Ambient and interior temperature sensors located outside the vehicle. Together these two sensors determine the strength and temperature of the air exiting the vent.

More sophisticated systems in high-end vehicles may also use additional sensors. Most modern cars have multiple interior temperature sensors to provide more uniform heating and cooling.

Cars may also have sensors to compensate for the amount of sunlight coming in through the windows or to check the temperature of the occupants.

With so many sensors, a false reading from one or more sensors can have a significant impact on the efficiency of your vehicle’s heating and cooling system. Luckily, bad sensors often trigger error codes in the car’s computer.

Bad Blend Motor

This is because controllers and sensors are only part of the system. Some systems require more motors than others to control the temperature of the air that enters the cabin.

Some automatic climate controllers use motors that adjust the amount of hot or cold air that is allowed to enter your home.

These motors are important because they enable your climate system to control how much warm or cool air enters the cabin and how it will do that.

Motors that fail to work correctly can cause the entire system to shut down completely or cause the controller module to stop communicating with the vehicle.

If a motor fails, the system can’t monitor its position in order to regulate the temperature of the air that is entering the vehicle. This can cause some very strange behavior by the climate control.

Similarly, a bad motor can cause your HVAC system to make unusual noises, especially if it is not currently affecting the system’s operation.

You won’t probably not be able to figure out what’s wrong with the climate system on your own – even if you think that it is as basic as a blown fuse.

As HVAC technology in vehicles becomes more sophisticated, it is impossible to perform correct diagnosis and repair by using manual tools.

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Max Anthony

Max is a gizmo-savvy guy, who has a tendency to get pulled into the nitty gritty details of technology and cars. He attended UT Austin, where he studied Information Science. He’s married and has three kids, one dog and a GMC truck and a Porsche 911. With a large family, he still finds time to share tips and tricks on cars, trucks and more.