Engine will not Crank/Stalls

[Bchall1]

Hello,
Not sure if I am in the right place for this so, please move if needed. We have a 2021 Sarah with the ecodiesel and we are running into issues with it cranking and stalling when stopped. At time when we go to crank and hit the push start it will not start the first time doesn't even turn over. once we try a second time it will crank like normal. The jeep also cuts off randomly when coming to a stop, the auto start-stop is turned over. along with all this we are throwing a check engine light. I have scanned the vehicle and received the following codes P2453-00, P242B-00, P02E8-00, P242C. I'm torn between DPF issues or electrical issues.

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[zouch]

sounds electrical to me.
got good batteries?

if those are already good, i might go chasing Shorts/Opens.

 

[SargeDiesel]

For having to push start twice, Most people will point to the aux battery or a weak fob battery .

There is a ton of information between the JT/JL forum on this...
Hopefully you can find the answer

 

[Mr. Curti]

Mine started doing something similar to that (sporadically) after I upgraded the master cylinder, brake booster, brake lines, brake calipers and rotors. I find if I push the brake pedal a little harder, then it starts just fine.

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