What to do if your AC Control Module is not working?

If you suspect that you may possibly have a problem with your AC control module, have it diagnosed by a professional technician, such as one from YourMechanic. If necessary, they will be able to replace your AC control module to help alleviate any issues with your AC.

Where are the fuses located in a Dodge Ram?

An integrated Power Module is located in the engine compartment near the battery. This center contains cartridge fuses and mini fuses. A description of each fuse and component may be stamped on the inside cover otherwise the cavity number of each fuse is stamped on the inside cover.

What is the function of the AC module?

Aside from controlling and regulating the temperature functions of the AC system, the AC module is also sometimes responsible for directing the airflow to the correct vents.

Why is my Ram heater not working properly?

At least until their is a factory-backed solution reducing ac perf variance down to a more reasonable level. Ram’s blend door dependency for their HVAC has been a proven problem source (many times over) via various Ram owner-designed AC system hacks which employ clamps & valves to isolate the heater core.

Is there a problem with my Ram HVAC?

Ram’s blend door dependency for their HVAC has been a proven problem source (many times over) via various Ram owner-designed AC system hacks which employ clamps & valves to isolate the heater core. These home brew fixes immediately improve AC system performance via significant airflow temp reduction.

Is there an issue with the a / C on a Dodge Ram?

I am having an issue with the temperature control settings. It either blows full cold or full hot no matter what position the switch is in. A/C works great, heat works great, just nothing in between.

Where are the AC vents on a ram?

The driver side vent & the left center vent are the most common offenders of uncomfortable AC vent temps. Users often reporting upwards of double-digit temp differences from those vents as compared to the passenger vents. It’s amusing that the FCA engineers would let the driver vent be the offenders.

What should I do if my AC control switch is bad?

The AC control switch is basically the user’s control surface for the AC system. When there is a problem with the switch, it can cause all sorts of problems and quickly take away from the functionality of the AC system, so it should be inspected as soon as possible.

How to troubleshoot most central AC problems?

AC problems caused by closed/blocked air vents: AC struggles to cool your home Ice on refrigerant lines Frozen evaporator coil Water leaking from your AC Damaged compressor Blower motor problems Increased duct leakage (higher AC bills)

What is the role of the AC control switch?

The AC control switch is a very important component of the AC system. It is the physical switch that allows the user to turn on and change the settings of the AC system from inside of the vehicle.

How to troubleshoot a central air conditioner problem?

Try the following DIY AC troubleshooting tips the next time you’re having AC issues: 1 Check for a dirty air filter 2 Check your thermostat settings 3 Check your air conditioner circuit breakers 4 Check your outdoor unit 5 Check all air vents

What should I do if I have an AC problem?

Try the following DIY AC troubleshooting tips the next time you’re having AC issues: Check for a dirty air filter. Check your thermostat settings. Check your air conditioner circuit breakers. Check your outdoor unit.

What is the fault code for an A / C compressor?

It had fault code 9480469/B10A9 control circuit for A/C compressor open or short to plus. All other climate control functions were working and all the fuses on the left dash, under hood and battery box panel tested good.

How does the AC Control Module work in a car?

The AC control module is used to control and regulate all the functions of the AC system electronically. It reads data from the cabin and the outside of the vehicle and uses that information to regulate and adjust the AC system as needed to keep the cabin at the correct temperature.

Why is my GMC k1500 AC not working?

Now with AC on … read more 1996 GMC/Chevrolet k1500 ac compressor clutch is not kicking in. It was working with a hot switch running from under the dash to the evaperator/dryer switch. I replaced the in dash ac switch and unhoo … read more

How do I Reset my climate control module?

My 2003 GMC Yukon XL Has just decided to only blow all heater/AC air out of the defroster vents. I have the dual control temperature and … read more Vocational, Technical or Tra… When I turn on my A/C it only blows out the defrost in the front. The back controls are fine. This happened after I replaced the battery a couple of … read more

How to calibrate HVAC module on 2004 GMC Envoy Fixya?

Clear all DTCs. Place the ignition switch to the OFF position. Install the HVAC actuator. Connect all previously disconnected components. Remove the HVAC B fuse for a minimum of 10 seconds. Install the HVAC B fuse. Start the vehicle. Wait 40 seconds for the HVAC control module to self-calibrate.

Why does my GMC air conditioner stop working?

For about 5 miles the A/C worked normally till we hit a R/R and the bump made it stop blowing cold air and he was finally convinced. Back to the shop and 30 min later they found the problem. Turned out to be the low pressure switch, (under hood on bottom of small tank) it was corroded and causing a loss of electrical contact.

Why does my GMC Sierra get cold air instead of heat?

Air suddenly starts blowing heat instead of cold air. I have to turn the engine off and on to correct it, but it is getting worse. Dual zone climate control module only get heat at the highest setting. when you set it to a lower setting by 1 degree it goes cold. I changed the module and one actuator.

How do you install a HVAC control module?

When installing the HVAC control module be sure to perform the following: Important: Do not adjust any controls on the HVAC control module while the HVAC control module is self-calibrating. If interrupted, improper HVAC performance will result. Place the ignition switch to the OFF position. Disconnect the scan tool. Install the HVAC control module.

What to do if your AC Control Module is not working?