I was having the same problem in a 2018 Ram 3500 6.7 with 52k miles. Light would come on and go off, coolant level was always correct when I checked under the hood. Took it to the dealer, they said the EGR cooler was bad and needed to be replace. They kept my truck for 11 days, and replaced that under the power train warranty and charged Ram Corporate $2,400 for something that was totally working fine. Then called me back and said the problem is the coolant tank sensor and that needed to be replaced. They quoted me $950 for parts and labor on a new tank. I said no thank you and picked up my truck. I bought the sensor from the Ram parts department for $20, took it to a local mechanic, and had him pull out the sensor from the bottom and swap it out in under 10 minutes. Light did not go out. Apparently, there is some type of float that works with the sensor in the tank. The mechanic told me i need a new tank. I went to the dealer, got a new tank for $195 and a gallon of coolant $20. Brought it back to the shop, and he pulled out the tank from the top and replaced it with the new tank which already had a new sensor on it. Problem solved. He charged me $150 for labor. FYI, he did the job in under an hour, and the only thing he had to remove to get the tank out was the battery and only part of the fender well. No need to remove air box and other things like some videos suggest. Hope this helps someone out.
@tuckt6180
2 жыл бұрын
Wow, same 2018, will call my mechanic, the level is fine.. ty
@GioMillz
2 жыл бұрын
I went to the dealer and they said this happens to alot of theses trucks. I was told that others have changed the sensor and it came back on. I feel like Ram should do a recall on this issue .
@zac1121
2 жыл бұрын
I had the same problem kept saying low coolant wasn't low at all, even changed the senser still kept coming on. Come to find out I had a very small leak on my reservoir tank when under pressure. Replaced it about 10000miles ago been good ever since.
@josemc0628
2 жыл бұрын
Did you replace the sensor how was it I just replaced my Coolant Reservoir and I’m guessing the sensor bad keeps saying low coolant and is full all the way too the top and is connected.
@annomyous1
6 ай бұрын
Mine did that and it was a pin hole leak in the egr cooler.
@completeturfcare
2 жыл бұрын
I changed the sensor and the 'low coolant' light came back on after driving about 5 miles. It still comes on all the time. I have not tried cleaning the tank or changing the tank. I just check under the hood every week or so to be sure the tank is still full. It is always full.
@frankgilligan1740
2 жыл бұрын
Lmk if you get a fix bro. Same problem
@amgironworks
2 жыл бұрын
@@frankgilligan1740 You need to replace the tank, I had same problem. Sensor alone did not work for me either. Read my comment above for details.
@javierrubio213
2 жыл бұрын
Hello I replaced the sensor and the message keeps tell me low coolant is any how I can reset or remove the message???
@aidos6585
2 жыл бұрын
Did you find what happens?
@tonyboneize
2 жыл бұрын
My 2019 6.7 does that when I’m on my steep driveway
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