How to Reset Freightliner Cascadia AC


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When I’m driving for a long time, my air conditioner might not function properly. When on the road in my Freightliner Cascadia, the last thing I want is to be miserably hot! When you have this issue, try resetting your unit.

To reset your Freightliner Cascadia AC, turn the AC off, the second knob to maximum heat, and the final knob to blow air forward. Once that is done, turn your key to the on position. Hold the center buttons of the first and second knob until they blink. At this point, your AC is reset.

The process for resetting is relatively simple, but knowing the ins and outs of your system can ensure that if there are any hiccups, you can resolve them. In today’s article, I will go in-depth into resetting your AC and the bigger issues you can run into.

The Basics of Resetting Your Freightliner Cascadia AC

The Freightliner Cascadia AC is made with a system that allows you to reset the temperature of your air conditioner. 

The system has three main parts: 

  • The first knob
  • The second knob
  • The final knob

When you turn on your Freightliner Cascadia AC, the first knob and final knob adjust the temperature in your vehicle. The second knob adjusts the amount of air blown into your vehicle.

Can I Use My Freightliner Cascadia AC After Resetting It?

Once you have completed the reset, your Freightliner Cascadia AC will be ready to drive again. 

After the reset, you will be able to start driving again immediately. You may also use your Freightliner Cascadia AC after it has been reset if needed for a few days or weeks without an issue. 

If you do not reset it after driving, you may experience problems with your Freightliner Cascadia AC. If your Freightliner Cascadia AC is not working correctly, resetting it will solve the problem.

Why Should You Reset Your Freightliner Cascadia AC?

The Freightliner Cascadia AC uses ozone in lieu of refrigerant to cool the air, which means that it’s possible that your unit is out of refrigerant.

Resetting your Freightliner Cascadia AC will ensure that you have enough refrigerant for cooling. One of the most common issues for Freightliner Cascadia ACs is that they often run out of refrigerant quickly and need to be replaced. 

Replacing a unit won’t cost you much, but it will require some time away from your family or job if your vehicle needs to leave the garage due to any repair work. 

To avoid this costly problem in the future, I usually invest in a durable service plan by purchasing an extended warranty on top of the regular maintenance services. It will also help prevent any other issues from occurring, like the Freightliner Cascadia AC not turning off when it reaches a certain temperature.

What If the Freightliner Cascadia AC Reset Process Doesn’t Work?

If the Freightliner Cascadia AC reset process doesn’t work, there are several things you can try before taking your truck to a repair shop. If it seems like all of these steps don’t help, then consult with an authorized dealer or service center for further information and assistance.

Perform these steps:

  • Check that your Freightliner Cascadia AC’s circuit breaker is in the “On” position. If it is not, you may need to turn it back on again.
  • Make sure that your Freightliner Cascadia AC unit is connected and turned on, checking out your engine area. If it isn’t, then there may be a problem with the electrical connection to the unit.
  • If none of these steps solve the issue, take your truck to a repair shop and have them check out your Freightliner Cascadia AC for any underlying issues. A service plan will help prevent further issues from occurring like this one.

The Freightliner Cascadia AC has a built-in “anti-overheat” feature that shuts off the engine if the temperature inside the cab reaches a certain level. This can cause the Freightliner Cascadia AC to overheat, which can lead to a variety of problems. Take care to notice if you are running into overheating issues and repair as soon as possible.

Conclusion

If your Freightliner Cascadia AC is struggling to start or the engine sound is erratic, a simple reset will fix the problem. This may be caused by a malfunctioning fuel pump, dirty or clogged air filter, water in the fuel system, or a failed coil or spark plug. To reset your Freightliner Cascadia AC, use the appropriate tools and follow the instructions I have detailed in this article. 

Dane Eyerly

Dane is a lifelong lover of semi-trucks and the trucking industry. He loves learning about semi-trucks, careers in the trucking industry, and the lifestyle of truckers. Dane also enjoys attending the Mid-America Trucking Show and Great American Trucking Show in Louisville, KY and his home town Dallas, TX. Click here to learn more about Dane.

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