MIL & P20EE again & again & again... - Page 41 - Jeep Garage - Jeep Forum

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  #481  
Old 08-29-2015, 03:24 AM
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Re: MIL & P20EE again & again & again...

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Originally Posted by echo7tango View Post
Good luck and hang in there, it will get better.
If I didn't have bad luck, I wouldn't have any luck at all. Less than one day and around 50 miles with the new 68243370AC converter, the dreaded chime and MIL back on. I checked the code - P20EE. What a surprise. Over three months since my first P20EE and it's still not resolved. I am taking the Jeep on vacation next weekend, and I have an appointment with a different dealer on 9/14 - 15 miles farther away. They HAVE to be better than the clowns at the place I've been going. If they can't fix it for good, I will make Jeep buy the vehicle back. To be continued......unfortunately.

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  #482  
Old 08-29-2015, 03:30 AM
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Re: MIL & P20EE again & again & again...

So I am curious. Since they have already reflashed the PCM, replaced a head gasket and installed a new catalytic converter, all to no avail, what else is there to try? Is there another part replacement that has solved the issue for anyone else out there?
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  #483  
Old 08-29-2015, 08:14 AM
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Re: MIL & P20EE again & again & again...

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Originally Posted by Fahrvergnugen View Post
So I am curious. Since they have already reflashed the PCM, replaced a head gasket and installed a new catalytic converter, all to no avail, what else is there to try? Is there another part replacement that has solved the issue for anyone else out there?
I don't think they've fixed the source of the issue yet. There is a new ECM update in the coming weeks.
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  #484  
Old 08-30-2015, 12:03 PM
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Re: MIL & P20EE again & again & again...

Quote:
Originally Posted by Fahrvergnugen View Post
So I am curious. Since they have already reflashed the PCM, replaced a head gasket and installed a new catalytic converter, all to no avail, what else is there to try? Is there another part replacement that has solved the issue for anyone else out there?
I haven't had the issue (2015), but I've read everything I can on this issue since it was a concern to me. What I've read is the following sequence always seems to fix it:

1. Flash
2. repair/replace DEF injector and lines
3. check and replace any bad DEF
4. replace SCR

2 and 3 have to be done at the same visit or you'll just get the same problem.

2 and 3 gets rid of any crystalization that might have occurred with the bad SCR installed.
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  #485  
Old 09-01-2015, 09:06 AM
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Re: MIL & P20EE again & again & again...

19k and finally received the P02EE MIL code. Took it immediately to the dealer to have it documented and have an appt. set for Wednesday, 9/13, for them to do the firmware update. The dealer was pretty straight forward with me that they will only do the firmware initially, as the TSB states, then once it comes back in, they will replace the cat. They also stated like everyone else that the part is on back-order. Of the three other diesels that they reported have come in for this issue, all have come back for the cat replacement.
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  #486  
Old 09-01-2015, 09:56 AM
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Re: MIL & P20EE again & again & again...

Quote:
Originally Posted by akinney View Post
I haven't had the issue (2015), but I've read everything I can on this issue since it was a concern to me. What I've read is the following sequence always seems to fix it:

1. Flash
2. repair/replace DEF injector and lines
3. check and replace any bad DEF
4. replace SCR

2 and 3 have to be done at the same visit or you'll just get the same problem.

2 and 3 gets rid of any crystalization that might have occurred with the bad SCR installed.
Thanks for going through the process. I have been confused about the differentiation between the catalytic converter and the SCR (selective catalytic reduction). In fact I thought the terms were interchangeable. They are not. When Binghamton Jeep broke off the bolts in the "converter" when replacing the gasket, it was a catalytic converter up by the engine. Nowhere near the SCR which is under the vehicle and not near the engine.

Unfortunately the converter they replaced wasn't installed properly. A sensor that should have been reinstalled was left loose, subsequently fell out and allowed raw exhaust fumes to just blow into the engine compartment, and enter the cabin. I had the vehicle towed to the new dealership I'm working with, who replaced the dangling sensor, tightened everything up, flashed the transmission control module and the amplifier software and sent me on my way.

So the MIL comes on after 20 miles. I take it back to the new dealer, who pulls the code - P20EE. He looks under the car and says "this is an SCR code. Why didn't they replace the SCR?" He showed me the code and it clearly says "SCR Oxides of Nitrogen Catalyst Efficiency Below Threshold (Bank 1). He says "it's an SCR code. You need a new SCR". The other dealer replaced the converter, not the SCR.

There's light at the end of the tunnel. They are ordering an SCR for delivery tomorrow. Hopefully that will FINALLY solve my problem.
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  #487  
Old 09-01-2015, 01:07 PM
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Quote:
Originally Posted by Fahrvergnugen View Post
The other dealer replaced the converter, not the SCR.
...and some people worry that the dealer techs might think it's rude if an owner prints out the TSBs (with instructions and relevant part numbers) to hand to them when dropping off the Jeep.

What a nightmare.
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  #488  
Old 09-01-2015, 02:16 PM
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Re: MIL & P20EE again & again & again...

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Originally Posted by Fahrvergnugen View Post
...When Binghamton Jeep broke off the bolts in the "converter" when replacing the gasket, it was a catalytic converter up by the engine...
Binghamton...as in NY? If so, we're neighbors.

If so, glad I didn't go there. I was impressed with one dude (name escapes me) in the sales department and briefly considered taking my Jeep there for service. Ended up going to Cortland...much closer for me and someone recommended them over the Ithaca dealer.
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  #489  
Old 09-01-2015, 02:26 PM
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Re: MIL & P20EE again & again & again...

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Originally Posted by Zhe Wiz View Post
Binghamton...as in NY? If so, we're neighbors.

If so, glad I didn't go there. I was impressed with one dude (name escapes me) in the sales department and briefly considered taking my Jeep there for service. Ended up going to Cortland...much closer for me and someone recommended them over the Ithaca dealer.
Howdy neighbor! I'll be using Royal in Owego from now on. They have been the polar opposite of The Nightmare on Front Street. Very knowledgeable, very responsive and they have bent over backward to try to resolve my issue. I'm keeping my fingers crossed that the new SCR will do the trick.
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  #490  
Old 09-01-2015, 03:05 PM
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Re: MIL & P20EE again & again & again...

Keep us posted. The right dealer makes a HUGE difference, hopefully they're good.
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  #491  
Old 09-01-2015, 07:58 PM
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Re: MIL & P20EE again & again & again...

Well. Add me to this list. 33k and just threw a P20EE. Just was in to the dealer 300 miles ago for the latest flash. Hopefully this can be rectified quickly. The jeep has been flawless until now.


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  #492  
Old 09-04-2015, 07:11 PM
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To answer a question from a post way back... 2015 Eco Overland. 1 electrical problem. Zero engine problems. Zero DEF system problems. 10k on the odometer.

Love this vehicle. Crossing my fingers for luck, still.
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