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Ever since the Y78 recall was completed, the exhaust brake does not slow the truck down while in cruise control. This applies to either Full exhaust or Auto Exhaust brake. I have been back to the dealer 4-6 times and reflashes done etc to no avail. Prior to the Y78 recall, it would slow the...

Found out last week my RAM 3500 lost 1500lbs of tow rating.(Not that 33,500 to 32,000 was a big deal) Anyone know why this happened etc? Checking the RAM tow rating by vin tells you your rating. TIA

Does anyone know what PCM reprogramming these 2 codes do? 52401032AL P64010032PB

After having the CP4 swapped out and new pump installed I have noticed My power/fuel mileage is the same but one big difference is my exhaust brake does not work nearly as well as it did. I used to be able to use my exhaust brake going down hill with cruise on and it would put out LOTS of...

I know over the years I have read people talking about the computers "learning" the drivers habits etc. You can clean them out by battery disconnect for x amount of time. What exactly does the computer learn about your habits etc? TIA

I was wondering if the 19 RAM+ people have seen glitter in the rear frame mounted canister AFTER the first fuel filter change? I know there was a post on this, but could not find it. I had glitter in the canister on the first fuel filter change as was to be expected like most others found. I...

I have 17500 miles on my 2020 RAM and today while moving a RV that weighed in at 4500 lbs, up popped the check engine light...When I heard that infamous "ding" that sounds like no other, I first thought its CP4 time....But she kept going and I was curious what caused it. Got home and checked it...

I tried to look up this "TSB" that allegedly came out on 06/09/2021. Can't find it anywhere. TSB 18-054-21 Read on another board it has something to do with the 19-20 injector pump. If bogus, let me know. TIA.

I was reading on the HD RAM board this was the pump that was to replace the CP-4 and is actually the pump being used in 2021 forward? Or is the numbers actually mean its a CP-3? So much dis and mis information floating around. TIA

This news was already posted on TDR under CP3-CP4 post. Apologies.

After getting myself riled over the CP4 pump and begining to regret my 16 trade in on the 2020, I sent Cummins a email asking about the CP4 pump. Not knowing that Cummins actually does not warranty the engines ( I had always thought they did) I was surprised, amused and left breathless after my...

My build sheet does not say anything about it having LSD etc in rear axle. I have 4:10's. Looking briefly at the owners Manuel it says add LSD fluid? Also, rear axle running at 175 empty. Normal ? 1500 miles on it, little towing yet. TIA

While I was under the new 2020 RAM 3500 dually reconnecting the auxiliary fuel tank to the filler neck, I was looking for the filler neck hose clamp and vent line hose clamp. I found the vent line hose clamp head facing down with the hex part of the clamp head digging into a wire harness that...

Was not intending to buy one, but some circumstances came up...... Anyhow, found out (have not been on the board for a while) that AAM has a 12" rear axle and no finned cover etc. How are these axles working out so far? Just read the post about bad fuel injector pumps....Hope I don't get that...

Google is saying the 191 thru yellowstone to the 26...Is that feasible pulling a 40' toy hauler? Never been up that way. TIA

I remember year ago when I owned a diesel in those years a post about the blower motor cycling on/off for no apparent reason. There was a easy fix but I can't find it in archives.Bought a 1996 reg cab short bed for a beater and she's giving me flashbacks.. LOL HELP !!!!

I put a AAM finned axle cover on my truck back at 8k miles and coming up on a oil change interval. During the install by not using the right wrench, I messed up a couple heads on the bolts for the AAM cover. I can find the axle cover part number all day long, but can't seem to find the actual...

I have been having problems with the factory radio jumping bands, stopping etc for the last year. One reflash and it fixed the delayed stopping time to jumping bands, or stopping/not working for 3-5 seconds etc.this is the basic factory radio. The wife has similar issues with the same radio in...

I was on my way back from a trip to San francisco bay area , to Reno, and back to phoenix the last week with my 40' RV in tow. RV weight approx 16.5K on this trip. On the last 150 miles thru Nevada towards Vegas and on to Kingman,Az my engine temps were running around 215 to 225 and the clutch...

I bought this CTS2 when I had a 2013 dually thats needed a little help. I sold it before I could install this edge cts2. I had forgotten all about it until I went thru the closet today and realized I need to get rid of it. I have a 16 RAM with the AISIN and dont need or want any more power then...