68RFE Trans CEL - Stuck In 1-4th Gear!

**Rbl** · 07-10-2023

Hey everyone, I got a DRD delete/tune about 2k miles ago.

I was towing 9,300 pounds and was around 18k gross weight on cruise control with 6th locked out on a flat freeway going 65 MHP, and the truck kicked off the cruise; CEL flashed, then it showed 5th and 6th locked out.

So pulled off the freeway, and I struggled to even get to the parking lot.

So far, we are 800 miles into our trip, pulling this same load.

I have pulled LOTS of grades (WY to CO to Ut to MT)

Long story short, I am dumb and cleared the CEL without taking a picture or writing it down, but it said something to the effect of "transmission solenoid."

After clearing the code, I let it idle for a few minutes as the trans reached 200 degrees.

Then we hit the road again, and I pulled the trailer another 80 miles with no problems.

Does anyone else have this happen?

Should I have a shop check it out, or was it likely a hiccup in the trans tuning on my new tune?

The truck seems fine, but we have another 300 miles to go next week with quite a few grades to pull, and I am worried I will get stranded in the middle of nowhere.

We are in Utah right now, and Randy's transmission is closed; so tempted to get a new trans, but 10k is a lot of dollar bills.

The truck has 66k miles and has been deleted and tuned for the last 2k miles.

I have 3k towing miles, with 900 being tuned/deleted.

Thanks!

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**Corkey** · 07-10-2023

You may have a solenoid going out on you.

I recall folks saying to go with an actual Mopar solenoid vs. an aftermarket one.

@AK Bob

He is our PDF god for helping trouble shooting this sort of problem.

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**Rbl** · 07-10-2023

Originally Posted by Corkey

You may have a solenoid going out on you.

I recall folks saying to go with an actual Mopar solenoid vs. an aftermarket one.

Anyway, to test that?

Worried I would dumb that money into it, something else would go wrong, LOL.

0 Comment(s)

**AK Bob** · 07-10-2023

Originally Posted by Rbl

Anyway, to test that?

Worried I would dumb that money into it, something else would go wrong, LOL.

I would at least have Randy’s or another reputable transmission shop check it out before you continue the rest of your trip.

As you mentioned, a record of the exact trouble code would have been helpful.

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**Rbl** · 07-10-2023

Originally Posted by AK Bob

I would at least have Randy’s or another reputable transmission shop check it out before you continue the rest of your trip.

As you mentioned, a record of the exact trouble code would have been helpful.

The good old roadside panic got the best of me, haha.

I was planning to call them tomorrow.

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**AK Bob** · 07-10-2023

Originally Posted by Rbl

The good old roadside panic got the best of me, haha.

I was planning to call them tomorrow.

I understand and can relate; it’s just something you want to go away.

Please keep us posted.

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**watersupply189** · 07-10-2023

What power tune were you towing in?

30hp is recommended for towing.

It could have been a hiccup or a warning sign.

Since you're close, I would call Randy's and let them diagnose the issue.

Please keep us updated.

2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

0 Comment(s)

**Rbl** · 07-10-2023

Originally Posted by watersupply189

What power tune were you towing in?

30hp is recommended for towing.

It could have been a hiccup or a warning sign.

Since you're close, I would call Randy's and let them diagnose the issue.

Please keep us updated.

2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

In 2019 the lowest tune was 30hp, so I always keep it in that.

I was hoping for a stock power-level tune for this reason, but I guess they can't do that on a 2019.

Hopefully, it was just a fluke, or I will be dropping 9k to get a new one, LOL.

0 Comment(s)

**watersupply189** · 07-10-2023

Originally Posted by Rbl

In 2019 the lowest tune was 30hp, so I always keep it in that.

I was hoping for a stock power-level tune for this reason, but I guess they can't do that on a 2019.

Hopefully, it was just a fluke, or I will be dropping 9k to get a new one, LOL.

Gotcha, I must have missed that it was a 2019.

Hopefully, it was just a hiccup and nothing else will happen.

2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

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