Keeps dying fuel communication problem?

[BigDKY]

Going to post here see if anyone else has had a similar problem or has an idea what could be going on as it seems like dealer does not Have had my 2021 gladiator sport since June 2022 was loving it up until 2 weeks ago. Was on my way to work and it died got it to start up went about 2 miles and it died repeatedly so had it towed to repair shop I use. They looked at it and said take it to the dealer said there was a fuel pump communication problem or auxiliary battery.

Took it to the dealer with check engine light on and they said left axel was leaking and needed a new camshaft but this is under power train warranty as I’ve only got 45k miles on it, repair guy took it for a drive and it died so then they charged me $335 for a new fuel pump modulator. After a week I went to pick it ip today and it died 5 times and check engine light was on after I made the 4 mile drive home. Has anyone dealt with this before? I make it a point to take good care of the truck regular oil changes tire rotations etc. I’m kind of at a loss why I’m having all these problems on a vehicle with 45,000 miles on it I had 2 wranglers previously and one was nothing but problems don’t think I will survive another vehicle with that many problems. Thanks for any insight

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[ShadowsPapa]

Going to post here see if anyone else has had a similar problem or has an idea what could be going on as it seems like dealer does not Have had my 2021 gladiator sport since June 2022 was loving it up until 2 weeks ago. Was on my way to work and it died got it to start up went about 2 miles and it died repeatedly so had it towed to repair shop I use. They looked at it and said take it to the dealer said there was a fuel pump communication problem or auxiliary battery.

Took it to the dealer with check engine light on and they said left axel was leaking and needed a new camshaft but this is under power train warranty as I’ve only got 45k miles on it, repair guy took it for a drive and it died so then they charged me $335 for a new fuel pump modulator. After a week I went to pick it ip today and it died 5 times and check engine light was on after I made the 4 mile drive home. Has anyone dealt with this before? I make it a point to take good care of the truck regular oil changes tire rotations etc. I’m kind of at a loss why I’m having all these problems on a vehicle with 45,000 miles on it I had 2 wranglers previously and one was nothing but problems don’t think I will survive another vehicle with that many problems. Thanks for any insight

Electric issues can be so many things you won't necessarily get one clear good answer to resolve it.
Do you know what codes are involved? You say the MIL (malfunction indicator lamp) is on but no other details. When did it come on? Before it died? When it died?
Did anyone connect to it and see why that light is on- there's pretty much always a stored code when that light is on. That's a huge help, knowing that.
Otherwise it could be anything from a simple wiring or connection issue to a pump, to whatever.
You indicate someone said "pump communication problem" - was that an independent shop? Did they give you the code they read?

 

[BigDKY]

Yes thanks the repair shop I went to first told me the code had to do with fuel communication but didn’t give a code number the dealer has had it while the check engine light is on entire time. It came back on after dying the third time on way home today. So far they have replaced the intake camshaft, arm valve, tappet valve lash, cylinder head cover, put in a new fuel pump control module, replaced left rear axle, and put on a pcv valve. Light was still on when I parked it

 

[BigDKY]

The code UU109 fuel communication problem

 

[BigDKY]

Electric issues can be so many things you won't necessarily get one clear good answer to resolve it.
Do you know what codes are involved? You say the MIL (malfunction indicator lamp) is on but no other details. When did it come on? Before it died? When it died?
Did anyone connect to it and see why that light is on- there's pretty much always a stored code when that light is on. That's a huge help, knowing that.
Otherwise it could be anything from a simple wiring or connection issue to a pump, to whatever.
You indicate someone said "pump communication problem" - was that an independent shop? Did they give you the code they read?

Looks like code is UU109 fuel communication problem

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