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  #49  
Old 12-23-2014, 12:30 PM
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Well the CEL has returned at lunch today. Three codes. One is undefined. The other two are U02A5 and U0074.

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  #50  
Old 01-06-2015, 07:40 PM
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Originally Posted by mazster43 View Post
Well the CEL has returned at lunch today. Three codes. One is undefined. The other two are U02A5 and U0074.
Made an appointment for Monday to get my code U02A5 checked out. The service advisor told me the code is for PCM disconnect to the HVAC or actually the DEF heater. Other than that the new catalyst seems fine.
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  #51  
Old 01-06-2015, 07:55 PM
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Re: Service Def - See Dealer

I've had 7 trips so far for this issue/issues related to this. So far the dealer has replaced NOx sensor primary, secondary, drained and refilled DEF reservoir, and now are replacing the DEF injector (it's 'overdosing' they said, putting too much DEF out).








The amount of time and effort this is consuming is starting to be crazy. Each trip in there's a scan/diagnosis, then a second trip days or more later when the part is on site for installation. So frustrating...
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  #52  
Old 01-12-2015, 06:58 PM
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Made an appointment for Monday to get my code U02A5 checked out. The service advisor told me the code is for PCM disconnect to the HVAC or actually the DEF heater. Other than that the new catalyst seems fine.
Got my Jeep back today. Turns out there was a broken wire at at the connector for the DEF heater. They also performed revision E on TSB 18-018-14. I hope this cures my problems.
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  #53  
Old 01-15-2015, 09:45 AM
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Re: Service Def - See Dealer

Another code thrown this morning on the way to work, dealer stumped and is faxing to engineering for review.
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  #54  
Old 01-15-2015, 09:53 AM
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Another code thrown this morning on the way to work, dealer stumped and is faxing to engineering for review.
Do you know what the code is?
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  #55  
Old 01-15-2015, 07:11 PM
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Re: Service Def - See Dealer

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Do you know what the code is?
No paperwork on the one today yet, unfortunately. The last two were P2BA9-00 and P20EE-00.
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  #56  
Old 01-15-2015, 07:17 PM
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No paperwork on the one today yet, unfortunately. The last two were P2BA9-00 and P20EE-00.
Sounds like you are going down the scr catalyst replacement like the rest of us. Once it's done you will be fine. But the dealer will piece meal replace parts like the injector, sensor, or pump before they repave the catalyst. T least that has been typical until the TSB for the catalyst came out.
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  #57  
Old 01-15-2015, 08:54 PM
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Re: Service Def - See Dealer

I was lucky and the only part that was replaced was the cat. It also helped that I printed and gave them a copy of the TSB. :-)
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  #58  
Old 01-16-2015, 12:10 PM
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Re: Service Def - See Dealer

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I was lucky and the only part that was replaced was the cat. It also helped that I printed and gave them a copy of the TSB. :-)
Well I think that is key in giving the dealership the TSB. My dealership also agreed to replace the CAT yesterday. Does anyone know if the Catalyst's are readily available or are they back ordered?
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  #59  
Old 01-16-2015, 12:35 PM
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Re: Service Def - See Dealer

Ours arrived within a week and a half from when the dealer ordered it, which I feel was acceptable especially since we know a large # are being replaced.
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  #60  
Old 01-16-2015, 03:00 PM
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Re: Service Def - See Dealer

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Does anyone know if the Catalyst's are readily available or are they back ordered?
Mine arrived within 3 weeks.
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