4xe - 1 year anniversary - problems ( CEL and Mirror Blemish)

[xmoger]

My 4xe just turned one. It's been mostly problem free but I've only put 4k on it so far.

Anyway, my check engine light came on the other week. I pulled the codes and it showed a P04ee error. I reseated the gas cap and it went away after a few days of driving.

However, something that won't go away is a significant blemish/discoloration of my driver's side mirror. It looks like the heating element may have cause the mirror backing to disintegrate? I'm not sure. I took a pic but it's hard to see the extent of the problem.

Anyway else have this issue on their mirror? I'm taking it in to the dealer. Hopefully the mirror isn't on backorder.

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[xmoger]

As an update, I took it into the dealer; mirror glass took a couple of days to get in and was replaced under warranty.

The gas cap was also replaced. I didn't check it when I picked up the vehicle and it was replaced with the regular non hybrid gas cap. I'm not sure if Jeep stopped using the hybrid one. I guess if it trips the CEL I'll have my answer that it may have been a dealer mistake.

 

[laroo]

As an update, I took it into the dealer; mirror glass took a couple of days to get in and was replaced under warranty.

The gas cap was also replaced. I didn't check it when I picked up the vehicle and it was replaced with the regular non hybrid gas cap. I'm not sure if Jeep stopped using the hybrid one. I guess if it trips the CEL I'll have my answer that it may have been a dealer mistake.

Interested in how the gas cap situation turns out. I didn't realize the cap was different, I'll have to look closer at mine.

 

[xmoger]

Interested in how the gas cap situation turns out. I didn't realize the cap was different, I'll have to look closer at mine.

Yeah, the original cap said PHEV and had one ear larger than the other. It also appeared to be non vented.

I really don't want to go back a third time for this. I'll update the thread with any developments.

 

[xmoger]

I spoke with the service guy. He said Jeep was having issues with the original PHEV caps and went with the standard gas caps as updated parts for them.

 

[sconrad24]

The original gas caps were too long and would get caught on the thread while screwing the cap on. Which would throw a code. I wanna say That update came out August/September 2021.

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