"Performance Limited" Error code

[AZJeepGuy]

Wasn't there a Technical Service Bulletin that came out on this? My Jeep just dumped all its coolant so while it's at the dealer maybe they can do the TSB. And the parasitic drain. And the...
@JeepCares - It doesn't seem like the dealer knows how to fix this. Or the parasitic drain. (3 batteries so far)

Update on this:
They did the TSB for the "Performance Limited Service Fuel System"
They fixed the coolant dump. Didn't ask how.
No Fault Found for the parasitic drain. Did a "GR8" text for 4-6 hours". The main baterry that was replaced a month ago is showing issues.
Has anyone had this and then it turned out to be some type of flux capacitor. Seriously, I just want to help them trouble shoot.
TIA for any help.

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[WhiteWilly24]

I have a new 24 Willy’s with the 2.0l built last week of November and I get this notification very occasionally since delivery. I buy my gas from Costco. I assume it’s good quality. There’s a lot answers to find online but who has gotten it resolved to their satisfaction. TIA

 

[Maverick909]

Automatic or Manual transmission? Isn't that the message that comes up on Manuals now after the recent recall, when clutch temps get too high?

No service transmission is the error that comes up with no dtc. Sounds like she needs to have the dtc codes read. Also what engine do you have would a big help.

 

[Bbp]

Just had those happen today on 24 Rubicon with 2.0l. Same message on screen and went into limp mode. Luckily I was close to work and crawled into the parking lot. Started it again later this afternoon and everything was fine.

 

[DougJaneway]

Not to scare everyone, but I ended up having a cracked cylinder head. At first it wasn't bad enough to notice, but eventually it started blowing out coolant system components due to the blow off pressure. After the cylinder head replacement I've had zero issues.

 

[Omen]

I've been 5 months now with the TSB. The service fuel system warning is no more. I've tried everything I can to get it to reappear. Nada.

I hope it goes as well for the rest.

Omen

 

[Category5Bronado]

My 2022 has this message pop up occasionally. It’s usually always after a hard acceleration and then slowing for an off-ramp. I took the TSB in to my dealer and they said everything was up to date and they could not apply any updates. I’ve only had the message pop up and never had it go into limp mode or anything so I’m just dealing with it.

 

[angrykitty]

@JeepCares any update on this that you can provide? It's been over two years. Here is my original post from right after I picked up the Jeep.

https://www.wranglerforum.com/threads/performance-limited-service-fuel-system-2022-jlur-2-0.2437527/

 

[JeepCares]

@JeepCares any update on this that you can provide? It's been over two years. Here is my original post from right after I picked up the Jeep.

https://www.wranglerforum.com/threads/performance-limited-service-fuel-system-2022-jlur-2-0.2437527/

HI Mike,

TSB 18-049-23 REV. A seems to address similar symptoms your vehicle is experiencing. Please send us a private message if you decide to schedule a dealership appointment and we can provide extra support.

Blair
Jeep Cares

 

[DuduStingGray]

This just happened to me and they had to replace my coolant hoses. They did the TSB & the code DTC P152F came up with Performance Limited Service Fuel System on dash. This is the first time the code was displayed for them after I've seen it a few times while driving. Maybe a correlation between coolant getting bad enough for the code to display. They did fix it.

Not to scare everyone, but I ended up having a cracked cylinder head. At first it wasn't bad enough to notice, but eventually it started blowing out coolant system components due to the blow off pressure. After the cylinder head replacement I've had zero issues.

 

[wesleywhipz]

I just took delivery of a 2025 Willys with a 2.0T about a month ago, and I, too, got this performance-limited message around 500 miles or so, but so far, I haven't seen it again. I've been running 93 after running out of whatever the dealer put in it. I'm now at 1150 miles.
@JeepCares

 

[JeepCares]

I just took delivery of a 2025 Willys with a 2.0T about a month ago, and I, too, got this performance-limited message around 500 miles or so, but so far, I haven't seen it again. I've been running 93 after running out of whatever the dealer put in it. I'm now at 1150 miles.
@JeepCares

Hi Wesley,

Thank you for bringing this to our attention. If you continue experiencing this message we recommend scheduling an appointment with your local dealership. Should you need extra support, please send us a private message.

Blair
Jeep Cares

 

[Lil Sport]

I'm trying to get any new info on this thread related to "limited performance-service fuel system" and the related TSB 18-049-23REV A.

My 2022 JLU has no performance issues but message appears on harder deceleration. I'm just out of warranty and understand that dealers don't have to perfom TSB at no charge. Have folks found that reprogramming the PCM takes care of this message?

 

[Omen]

I'm trying to get any new info on this thread related to "limited performance-service fuel system" and the related TSB 18-049-23REV A.

My 2022 JLU has no performance issues but message appears on harder deceleration. I'm just out of warranty and understand that dealers don't have to perfom TSB at no charge. Have folks found that reprogramming the PCM takes care of this message?

In my case, 100% fixed. I haven't seen that message since the flash.

 

[Category5Bronado]

I'm trying to get any new info on this thread related to "limited performance-service fuel system" and the related TSB 18-049-23REV A.

My 2022 JLU has no performance issues but message appears on harder deceleration. I'm just out of warranty and understand that dealers don't have to perfom TSB at no charge. Have folks found that reprogramming the PCM takes care of this message?

I tried getting the tsb done twice. The dealer said my software was already up to date both times. I still get the message daily but have no other issues.

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