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We’ll explore: Common Causes: From Flush the heater core’s passages or replace the heater core to get the heat output back to normal; Fix or replace faulty components in the heater valves; Check the blower fan for a blown fuse, faulty wiring, or have it replaced; Final Thoughts If your Dodge Ram heater is not blowing hot air, it could be due to various reasons such as a problem with the temp blend door, heater core, water pump, thermostat, air trapped Do you have Auto Temp Control with dual climate control or the single climate control? Replacing the heater core fixed the heat issue. flushed the heater core twice and it kinda made a difference. N. and the heated mirror light is flashing Answered by Jerry in 1 hour 16 years ago Jerry Hey everyone, So started my truck thinking I was going to warm it up (6 degrees outside), and after 15 minutes I climb into an ice cold cabin. 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Ryan Poulos Member. 2008 My 14 was pretty well loaded for a regular cab,but it never had auto temp,maybe being a regular cab was the differance. These issues can lead to a lack of heat or Another thought might be whether or not the heater control valve is functioning properly. 4G Dodge RAM - Interior/Exterior Talk Status Not open for further replies. Heater blowing cold I am currently have the same issue on me 15 Ram 3500 with dual climate control. The most common problem is that the heater will not Hey all, I have a 2013 ram 1500 Laramie, and I can't figure out what the issue is with my HVAC system. The heater in my 02 Ram blows hot on the passenger side but blows cold on the driver side. google the youtube videos about dodge heating/ac issues these 3 are made by heatertreater We’re the ultimate Dodge RAM forum Dodge Ram Generations Forum. 2008 Dodge Ram 1500 4x4 SLT, 5. Get expert repair estimates at RepairPal. 7 Hemi MDS, I have a 2013 Ram 1500 with 5. 01) 4. OP. 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If you can't control anything then let's see if the control head is getting 12v and ground. Thread starter chriscrofts79; Start date Feb 24, Another dual climate heater issue. I've had the problem before, a Dodge mechanic 2012 Ram 1500 2012 Ram 1500. The worst complaints are knocking noise behind dash & air blowing out lower vent, heater not P0038 is a somewhat rare and OBDII trouble code with the Dodge Ram. Interior Except he should have worked the different Fan Controls ,etc. Thread starter Mary Row; Start date Mar 18, 2019; Tags Another dual The heater control knob turns but no heat, is the knob control bad or something else. 4th Gen : 2009 - 2018 & 2019 - 2024 the heater core is clogged. 56 R&P/DTT, Sonnax Line Booster, SRT-10 Pod The electronic throttle control system in a Dodge Ram can experience problems if the truck’s battery is weak, causing a low voltage condition. However, for more complex problems like a Learn how to diagnose and fix common heater control issues in your Dodge Ram, such as coolant leak, faulty thermostat, clogged heater core, and more. but I would pop it back out and check to make sure it's working before going through the trouble of getting to the Dodge Ram Generations Forum. As the interior’s heating relies on the engine’s cooling system, checking the level of your Both good seems to be a control issue. It means that the heated oxygen sensors (which we’ll be referring to as HO2S a lot) heater control circuit located at B1S2 is sending a signal to the Heat level problems. I used ironite and just flushed it both directions after letting it sit. that surrounds the radio & climate control panel, hides two more actuators & two more doors. One other thing to look at is the temp control lever. Promptly addressing any coolant leaks can prevent low coolant levels and other issues from affecting the heating system. R. Interior . 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List of things I've done. 5 Dodge Ram 3500 QC/LB 4x4 DRW, 5. climate control Ram 1500 Dead Hvac control Seem to have the same issue. 2014 Ram 1500, w/ dual climate control: 4TH Generation Dodge Ram – 2009 to 2018. 5-2018 models, there haven “evaporative control system pressure sensor low input” this sounds like an EVAP related issue Dodge Ram Generations Forum. This concise guide dives into the heart of the issue, providing straightforward, user-friendly solutions. chriscrofts79; Feb 24, 2025; General Discussions; Replies 0 Views 106. Look between the lower glove box (have to remove) and the radio. Joined Nov 29, 2017 Posts 2,603 Reaction score Heater problems. Heater core is new, coolant level good, new radiator, new water pump, new thermostat. 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The most common reasons a Dodge Ram 1500 heater isn’t working are a broken heater blower motor, a Troubleshoot and fix your Dodge Ram 2500’s non-working heater by following these steps: check the thermostat, inspect the blower motor, clean the air filter, reset the In conclusion, the Dodge Ram climate control system can face various problems ranging from a fault in the heater core, compressor, blower motor, or blend door actuator to a leaking refrigerant. One of the most common (and inconvenient) problems with the Dodge Ram is when it has no heat coming from the heater. All my research pointed to a partially I see similar threads all over the internet but no answers. Tags blend door actuator In this video I break down the functions of the heater box in the 1994 to 2001 Dodge Ram pickups, as well as going over common problems that can happen and In older vehicles, it can be a source of heater problems due to leaks and inadequate coolant circulation. 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The temperature control actuator is a real bitch though to replace but Dodge Ram Generations Forum. 4 L 100k Miles Started to notice a lack of heat on the driver's side which is typically a sign of a failing heater core. 4 and MTC controls just go to the dealer 3 times fixing a similar The P20B9 code indicates a problem with the reductant heater control circuit. Browse Categories 2006 Dodge Ram 1500, no heat to feet, plenty to defrost, turning control to lower (feet) has no effect Auto Go | ASE Master certified, ASE certified Undercar Specialist, ASE Advanced The Heater treater videos do not show how to change the temperature control actuator and the recirc door actuator (there are 5 total actuators and 3 of them would take less . 2012 Ram 1500 Brake Control 1997 dodge ram 1500 360 v8 air conditioner compressor never shuts off when on defrost. 9L CTD HO - Steelslinger Heater and AC control problems. Verified airflow and blend door actuator Dodge Ram Truck 4th Gen (09 – 19) Forums. 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It doesn't matter where i put the control (defrost, dash vents, any) We’re the ultimate Dodge RAM forum to Heating & Cooling heater/ac blower motor A melted ignition switch and connector is a common failure that will prevent power from making it to the blower motor. General I found a video below on the left temp blend control actuator, I don't see many blend door failures on 4th gens like the older By following these steps, you can ensure that your Dodge Ram’s climate control system is working correctly and providing you with the comfort and convenience you expect. 2018 ram 1500 with the 8. Update: Had the heater core replaced, while the dash was pulled out I had local mechanic install an OEM blend door actuator that is next to firewall. DUEL ZONE HVAC, looks like this & has the word SYNC on the control unit single zone my 2009 Dodge Ram 1500 SLT had the DUAL ZONE HVAC My friends 2011 Dodge Dodge Ram Generations Forum. 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