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UPDATE - 6MT in Sand, Limp Mode

J Sunsurf

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All, I wanted to update my latest experience with the Mojave 6 speed manual on the sand. Per a previous thread, I would go into limp mode after a half mile of beach driving.

I replaced my clutch with an ARB clutch which improved the drivability tremendously. Still went into limp mode every half mile on the beach. Jeep was obviously still no help.

I really didn't want to try for a buyback, so I used a tip Birds83 sent me. Hemifast in Babylon NY did some work on my PCM. Back to the beach last week, first time out, with tires aired down, didn't go in limp mode, but limited torque. I used Jscan to reset, then set the tire diameter for actual aired down tire size. No more issues that week.

So, I don't know if I can recommend a non-sponsor, but the programming sure seemed to help. Resetting the tire size may have been the key, as it stopped the transmission from thinking there was slippage.

Downside - don't let the dealer do any updates on your PCM. That will put the recall programming back. Questions, comments, concerns, please feel free to PM me or comment. I'm going back in a couple weeks, and I may try to put 35s or 37s on before then and see how it goes.
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Rahkmalla

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I'm running 35s on factory 33 calibration, so i'm hoping that would help the issue... but i'm sitting at 40k miles right now and still on my original clutch. Have zero interest in getting the 19a performed for all the reasons i've heard about on this exact issue. I drive on the beach multiple times per year, and probably will be happening even more as my kids get older.
 
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J Sunsurf

Well-Known Member
First Name
Jim
Joined
Dec 21, 2023
Threads
5
Messages
47
Reaction score
31
Location
Philly Suburbs
Vehicle(s)
2023 Gladiator Mojave
Occupation
Engineer
I'm running 35s on factory 33 calibration, so i'm hoping that would help the issue... but i'm sitting at 40k miles right now and still on my original clutch. Have zero interest in getting the 19a performed for all the reasons i've heard about on this exact issue. I drive on the beach multiple times per year, and probably will be happening even more as my kids get older.
If you can avoid it - do not have the recall performed.
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