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  #13  
Old 02-16-2015, 07:02 AM
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Re: Service Electronic Throttle Control 2014 Grand Cherokee

The problem was the computer misreading the temp increase from cold. Sensor was always ok. After the dec re-flash the car has been ok. When the techs read the computer it said sensor was faulty. Bench testing showed no fault. My 3 events always happened 4k from morning start so it was clear the temp reading range in computer was outside its permitted range and the re flash altered that range…… so they told me…….Paul

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  #14  
Old 02-16-2015, 05:27 PM
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Re: Service Electronic Throttle Control 2014 Grand Cherokee

My issue ended up being the swirl motor which apparently is a real common thing with jeeps. I did some research on it and found a garage that specialises in jeeps, took it to him and he gave me 2 options; replace the swirl motor or reprogramme the ECU to work without it. He suggested reprogramming it would be a better option because I wouldn't have to worry about anymore. Apparently he always does this for people who drive interstate in case it happens on the road and you're stuck with having to tow long distance. He even gave me my own scanner as part of the service which I can now use myself if there's ever anything else wrong with it.


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  #15  
Old 02-16-2015, 06:03 PM
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Re: Service Electronic Throttle Control 2014 Grand Cherokee

Quote:
Originally Posted by holly howard View Post
So which part ended up being the issue?, as my 2014 grand Cherokee has now come up with the same problem and has to be towed 1000km to the nearest jeep dealer in townsville for repair. I hope they figure into out first go
I'm assuming you have a diesel?
Service electronic throttle control is an error that is quite often displayed when a diesel Grand Cherokee fails to perform a DPF regeneration. It is basically saying it couldn't perform the regen, the dpf is full so its going into limp mode.

The dpf is a filter that collects diesel soot in the exhaust, when it starts to fill up the computer should see this with a sensor, and then trigger a regeneration, or a burn. It increases the exhaust temps up to 600 degrees and burns it off, like modern ovens do to self clean.

A lot of diesel grand cherokees are having this problem, it seems that many of the MY14 grand cherokees are failing to properly regen the dpf for some reason. Jeep released a software update in december that is supposed to fix the problem by changing the way the computer monitors the filter. Its looking hopeful so far. But there are other reasons a dpf can clog and regens not work correctly, the sensor could fail, or there can be a physical blockage in the filter.

There's a lot more reading here about the Australian Grand Cherokee diesels and the dpf issue.
Is DPF issue for 2014 CRD fixed now?
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  #16  
Old 03-03-2015, 06:51 AM
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Re: Service Electronic Throttle Control 2014 Grand Cherokee

Thanks bennO I just got my jeep back today and they said it was exactly what u explained and they have upgraded the computer. Let's hope it has fixed it for good


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  #17  
Old 04-26-2015, 05:39 PM
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Re: Service Electronic Throttle Control 2014 Grand Cherokee

I'm getting the SETC message and a CEL with P0101 code. I am not two footing it and it occurs at the exact moment an active regeneration starts. I reset the code after driving through the regeneration and it won't happen again until the next regen cycle. Performance is extremely sluggish while the CEL is set.

Any ideas?
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Old 04-30-2015, 10:26 AM
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Re: Service Electronic Throttle Control 2014 Grand Cherokee

I think I fixed it. I cleaned my MAF sensor located in the intake runner. No more issues but time will tell.
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  #19  
Old 06-05-2015, 08:37 PM
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Re: Service Electronic Throttle Control 2014 Grand Cherokee

They have changed two different control modules, so far and it's going back again as fault still exists, all good fun when your towing a caravan and being passed by semi-trailers.
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